Sample records for western coal continues

  1. Preparation for upgrading western subbituminous coal

    SciTech Connect (OSTI)

    Grimes, R.W.; Cha, C.Y.; Sheesley, D.C.

    1990-11-01T23:59:59.000Z

    The objective of this project was to establish the physical and chemical characteristics of western coal and determine the best preparation technologies for upgrading this resource. Western coal was characterized as an abundant, easily mineable, clean, low-sulfur coal with low heating value, high moisture, susceptibility to spontaneous ignition, and considerable transit distances from major markets. Project support was provided by the Morgantown Energy Technology Center (METC) of the US Department of Energy (DOE). The research was conducted by the Western Research Institute, (WRI) in Laramie, Wyoming. The project scope of work required the completion of four tasks: (1) project planning, (2) literature searches and verbal contacts with consumers and producers of western coal, (3) selection of the best technologies to upgrade western coal, and (4) identification of research needed to develop the best technologies for upgrading western coals. The results of this research suggest that thermal drying is the best technology for upgrading western coals. There is a significant need for further research in areas involving physical and chemical stabilization of the dried coal product. Excessive particle-size degradation and resulting dustiness, moisture reabsorption, and high susceptibility to spontaneous combustion are key areas requiring further research. Improved testing methods for the determination of equilibrium moisture and susceptibility to spontaneous ignition under various ambient conditions are recommended.

  2. Competitive interstate taxation of western coal

    SciTech Connect (OSTI)

    Kolstad, C.D.; Wolak, F.A. Jr.

    1983-01-01T23:59:59.000Z

    This paper analyzes the potential market power of western states in setting coal severance taxes. An attempt to determine the emphasis placed by the western states on the development of their coal resources is also made. Three market structures are analyzed. One involves a western regional cartel, setting taxes collectively. The other cases are noncooperative tax equilibria with Montana and Wyoming competing against each other. We study the effects on these equilibria of changes in each region's relative emphasis on development of coal resources vs tax revenue. The welfare impacts of these tax setting policies are also addressed. The analysis is based on an activity analysis of US coal markets. The results show that the taxes associated with the noncooperative competitive tax equilibria are close to present tax levels. Additionally, we conclude that western states currently are quite efficient extractors of economic rent from coal produced within their boundaries, in terms of welfare loss per dollar of tax revenue collected. 2 figures.

  3. Western Coal/Great Lakes Alternative export-coal conference

    SciTech Connect (OSTI)

    Not Available

    1981-01-01T23:59:59.000Z

    This conference dealt with using the Great Lakes/St. Lawrence Seaway as an alternative to the East and Gulf Coasts for the exporting of coal to Europe and the potential for a piece of the European market for the subbituminous coals of Montana and Wyoming. The topics discussed included: government policies on coal exports; the coal reserves of Montana; cost of rail transport from Western mines to Lake Superior; the planning, design, and operation of the Superior Midwest Energy Terminal at Superior, Wisconsin; direct transfer of coal from self-unloading lakers to large ocean vessels; concept of total transportation from mines to users; disadvantage of a nine month season on the Great Lakes; costs of maritime transport of coal through the Great Lakes to Europe; facilities at the ice-free, deep water port at Sept Iles; the use of Western coals from an environmental and economic viewpoint; the properties of Western coal and factors affecting its use; the feasibility of a slurry pipeline from the Powder River Basin to Lake Superior; a systems analysis of the complete hydraulic transport of coal from the mine to users in Europe; the performance of the COJA mill-burner for the combustion of superfine coal; demand for steam coal in Western Europe; and the effect the New Source Performance Standards will have on the production and use of Western coal. A separate abstract was prepared for each of the 19 papers for the Energy Data Base (EDB); 17 will appear in Energy Research Abstracts (ERA) and 11 in Energy Abstracts for Policy Analysis (EAPA). (CKK)

  4. Western Canadian coking coals -- Thermal rheology and coking quality

    SciTech Connect (OSTI)

    Leeder, W.R. [Teck Corp. (Canada); Price, J.T.; Gransden, J.F. [CANMET Energy Technology Centre, Ottawa, Ontario (Canada)

    1997-12-31T23:59:59.000Z

    Methods of predicting coke strength developed from the thermal rheological properties of Carboniferous coals frequently indicate that Cretaceous coals would not make high quality coke -- yet both types of coals produce coke suitable for the iron blast furnace. This paper will discuss the reasons why Western Canadian coals exhibit lower rheological values and how to predict the strength of coke produced from them.

  5. Comparisons of pyrite variability from selected western Kentucky and western Pennsylvania coals

    SciTech Connect (OSTI)

    Frankie, K.A.; Hower, J.C.

    1983-03-01T23:59:59.000Z

    Pyrite (and marcasite) variation in the lower Kittanning coal of western Pennsylvania has been petrographically characterized using three parameters of size (categories rather than absolute size), morphology (framboidal, euhedral, dendritic, massive, and cleat), and microlithotype (organic) association. The purpose of this study is to evaluate what influence paleo-environments have on the nature of variation of pyrite in coal. Comparison of coals has been done using the percentages of pyrite in the microlithotypes vitrite and clarite. In the lower Kittanning coal, framboidal pyrite is generally less abundant and dendritic pyrite was not observed at all. Euhedral pyrite exhibited no clear variation between the two environments. Massive pyrite was more abundant in the set of samples from the mine with the highest average pyritic sulfur but otherwise exhibited no variation. In contrast, a larger percentage of pyrite in the western Kentucky coals examined is framboidal and dendritic. Mines examined in the Moorman syncline of western Kentucky do have a framboidal pyrite percentage comparable to the lower Kittanning samples, but the percentage of dendritic pyrite (particularly in the Western Kentucky No. 9 coal) is significantly higher for the western Kentucky coals. Bulk petrography of the coals is similar with all having greater than 80% total vitrinite. The association of the pyritic sulfur does, however, change significantly between the various coals studied and particularly between the coals of western Kentucky and among the marine lower Kittanning samples and the fresh water lower Kittanning samples. Among the pyrite in the fresh water coals, massive (perhaps epigenetic) pyrite dominates the associations.

  6. Continuing consolidation in the coal industry

    SciTech Connect (OSTI)

    Gaalaas, T. [Pace Global Energy Services LLC (United States)

    2006-08-15T23:59:59.000Z

    Extensive consolidation has occurred in the coal industry over the past decade. The greatest degree of consolidation has occurred in Northern Appalachia, the Illinois Basin, and the Wyoming portion of the Powder River Basin (PRB), which are the coal supply regions where most observers expect the greatest growth in coal production over the next decade. In addition to reducing the number of alternative suppliers, high level of concentration also tend to result in higher prices, more volatile spot markets, and lower levels of reliability. Therefore, coal-fired generators purchasing in these regions need to respond proactively and strategically to these market trends. 2 figs.

  7. Petrography of the Herrin (No. 11) coal in western Kentucky

    SciTech Connect (OSTI)

    Hower, J.C.; Wild, G.D.

    1981-06-01T23:59:59.000Z

    The Herrin (No.11) coal in western Kentucky is in the upper part of the Pennsylvanian (Des Moinesian) Carbondale Formation. Samples were obtained from 13 mines in Kentucky and one mine in Illinois in three equal benches from two to three channels for a total of 93 samples. The rank of the coal (as vitrinite reflectance) is high volatile C bituminous in the Moorman Syncline and high volatile A bituminous in the Webster Syncline. Reflectance does not vary between mines in the Moorman Syncline. The percentage of total vitrinite macerals for each mine is over 85% and the percentage of total vitrinite plus liptinite macerals is over 89% (average over 90%) (both on dry, mineral-free basis). 37 refs.

  8. Influence of coal quality parameters on utilization of high-sulfur coals: Examples from Springfield (western Kentucky No. 9) coal bed

    SciTech Connect (OSTI)

    Griswold, T.B.; Hower, J.C.; Cobb, J.C. (Kentucky Energy Cabinet, Lexington (USA))

    1989-08-01T23:59:59.000Z

    The Springfield (Western Kentucky No. 9) coal bed is the most important energy resource in the Western Kentucky coalfield (Eastern Interior coalfield), accounting for over 30 million tons of annual production from remaining resources of over 9 billion tons. For many coal quality parameters, the quality of the coal bed is relatively consistent throughout the region. For example, the Springfield has about 80-85% vitrinite, 10% ash, and 3.5-4.5% total sulfur at most sites in the coalfield. However, coal quality variation is more than just the changes in ash and sulfur. As demonstrated by the Springfield coal bed, it is a complex interaction of related and unrelated variables many of which directly affect utilization of the coal. Significant, though generally predictable, changes are observed in other parameters. Comparison of data from the Millport (Muhlenberg and Hopkins Countries), Providence (Hopkins and Webster Counties), and Waverly (Union County) 7{1/2} Quadrangles illustrated such variations.

  9. Coal metamorphism in the upper portion of the Pennsylvanian Sturgis Formation in Western Kentucky

    SciTech Connect (OSTI)

    Hower, J.C.

    1983-12-01T23:59:59.000Z

    Coals from the Pennsylvanian upper Sturgis Formation (Mississippian and Virginian) were sampled from a borehole in Union County, western Kentucky. The coals exhibited two discrete levels of metamorphism. The lower rank coals of high-volatile C bituminous rank were assumed to represent the normal level of metamorphism. A second set of coals of high-volatile A bituminous rank was found to be associated with sphalerite, chlorite, and twinned calcite. The latter mineral assemblages indicate that hydrothermal metamorphism was responsible for the anomalous high rank. Consideration of the sphalerite fluid-inclusion temperatures from nearby ores and coals and the time - temperature aspects of the coal metamorphism suggests that the hydrothermal metamorphic event was in the 150 to 200 C range for a brief time (10/sup 5/-10/sup 5/and yr), as opposed to the longer term (25-50m yr) 60 to 75 C ambient metamorphism.

  10. Petrographic characterization of Kentucky coals. Final report. Part V. Pyrite size/form/microlithotype distribution in western Kentucky prepared coals and in channel samples from western Kentucky and western Pennsylvania

    SciTech Connect (OSTI)

    Frankle, K.A.; Hower, J.C.

    1983-01-01T23:59:59.000Z

    Pyrite and marcasite distribution has been characterized in several western Kentucky coals, western Pennsylvania coals, and coals from western Kentucky preparation plants using three parameters of size, morphology, and microlithotype association. A classification system was developed to provide a consistent method for recording different pyrite/marcasite types. Sulfides were microscopically measured and placed in one of six size divisions (<5, 5 to 10, 10 to 40, 40 to 75, 75 to 100, or >150..mu..m) rather than absolute size. Five categories (euhedral, framboidal, dendritic, massive, or cleat) describe pyrite/marcasite morphology. The third parameter identifies the microlithotype (vitrite, clarite, inertite, liptite, durite, vitrinertite, trimacerite, or carbominerite) in which the pyrite occurs (not including the measured sulfide). Carbominerite is a mineral/organic association dominated by mineral matter. The percentage of each variable represents the total number of counts per sample and not the volume of pyrite. Throughout the studies, both sulfides are collectively referred to as pyrite unless otherwise specified. This paper describes the different studies which were undertaken to test the usefulness of this pyrite classification system. Systematic trends in pyrite variability were determined for the Springfield coal and Herrin of western Kentucky. Pyrite characterization of the Lower Kittanning coal from western Pennsylvania shows that certain pyrite morphologies can be an expression of the environments deposition of coal bodies. Studies of western Kentucky prepared coals demonstrate that pyrite characterization apparently can provide a method for predicting pyrite behavior and the extent of pyrite removal for specific coals. 77 references, 15 figures, 19 tables.

  11. Testing of Western Kentucky No. 9 coal in an atmospheric fluidized-bed combustor. Technical report

    SciTech Connect (OSTI)

    Pettit, R.

    1984-05-01T23:59:59.000Z

    This report deals with the characterization of a western Kentucky No. 9 coal as an atmospheric fluidized-bed combustor (AFBC) feedstock. It is the first of a series of four reports, each dealing with a different Kentucky coal. All of the coal tests were conducted using an Oregon dolomite from the central Kentucky region. The tests were conducted in a 2 ft. 8 in. x 2 ft. 5 in. atmospheric fluidized bed combustor. The Western Kentucky No. 9 coal tested had a heating value of 12200 Btu/lb. The Oregon dolomite used contained 61% CaCO3 and 31% MgCO3. Detailed feedstock analyses are presented in Appendix E. Seven steady-state test runs were conducted over a two-week period. The runs were at one of 100%, 85%, or 70% loads. The air flowrate, bed temperature, and stack sulfur dioxide emissions rate were kept approximately constant during these tests to facilitate comparison.

  12. To continue the development of WISER's globally recognized program in Clean Coal Technology at Illinois

    E-Print Network [OSTI]

    Heller, Barbara

    Vision To continue the development of WISER's globally recognized program in Clean Coal Technology renewable energy. Goal The goals of the WISER Clean Coal Technology Program are to: · Obtain the optimum stream Strengths The strengths of the WISER Clean Coal Technology program include a strong

  13. Testing of Western Kentucky No. 11 coal in an atmospheric fluidized bed combustor

    SciTech Connect (OSTI)

    Not Available

    1985-01-01T23:59:59.000Z

    This report is the second of a series of four coal reports, and describes the results of testing of a Western Kentucky No. 11 coal (1/4 in. x 0, 3.8% sulfur, 33% ash, 83/50 Btu/lb.) in a 2 ft. 8 in. x 2 ft. 5 in., 0.75-MW AFBC. All four coal tests were conducted using Oregon dolomite from central Kentucky (1/8 in. x 0, 62% CaCO/sub 3/, 31% MgCO/sub 3/) as the sulfur sorbent. Results obtained from eight steady-state test runs at three different loads at a constant superficial velocity of 5 ft./s are presented. Operating problems encountered are described, and include problems with large variations in coal ash and Btu contents, cyclone downleg blockage, moisture in feed material, and fouling of heat-transfer surfaces caused by high carryover rates. On the basis of numbers, it was concluded that an economic re-evaluation of low-superficial-velocity fluidized beds is warranted, and that it is feasible to burn Western Kentucky No. 11 coal efficiently in an AFBC provided that the boiler control system is designed to handle large variations in coal ash and Btu contents.

  14. Petrographic characterization of Kentucky coals: relationship between sporinite spectral fluorescence and coal rank of selected western Kentucky coals. Final report, Part I. [Vitrinite

    SciTech Connect (OSTI)

    Poe, S.H.; Hower, J.C.

    1983-01-01T23:59:59.000Z

    A total of 43 coal samples were analyzed - the majority from western Kentucky, with a few from Pennsylvania for comparative purposes - using quantitative fluorescence microscopy of sporinite to determine if coal rank as determined by vitrinite maximum reflectance could be predicted by data gathered from selected fluorescence parameters. All eight parameters (wavelength of highest intensity, area under curve to the left of the peak, area in the blue wavelengths (400 to 500 nm), green (500 to 570 nm), yellow (570 to 630 nm), blue-red ratio, and red-green ratio were found to statistically predict coal rank. The general research hypothesis, which included all the variables, had a R/sup 2/ = 0.354. The results of the step-wise regression yielded red and yellow (collective R/sup 2/ = 0.341) as the best predictor variables of coal rank. The individual parameters of area of red wavelength and blue-red ratio accounted for the greatest variance in predicting coal rank, while the parameter yellow area was the least predictive of coal rank. 31 references, 7 figures, 5 tables.

  15. Preliminary evaluation of coal and coalbed gas resource potential of western Clay County, Mississippi

    SciTech Connect (OSTI)

    Henderson, K.S.; Gazzier, C.A.

    1989-01-01T23:59:59.000Z

    After reviewing all previously published data it appeared that if the Mississippi portion of the Black Warrior Basin contained potentially economic seams of coal the thicker downdip section was a more likely place to look. The generosity of several exploration companies in providing an extensive suite of logs that could be correlated with samples contained in the Bureau of Geology Sample Library allowed the authors to correlate and identify these upper Pottsville coal groups previously unknown in Mississippi. The purpose of this study was to identify the potential for coal resources in western Clay County, Mississippi, and to correlate laterally any coal seams identified in order to develop a gross volumetric estimate of in-place resources. It became apparent that many of the shallow coal seams (1,800 feet-3,700 feet) had appreciable quantities of gas, for they exhibited excellent gas shows when drilled. Efforts to determine rank for these coals were made by vitrinite reflectance and thus a preliminary estimate was also made for the potential coalbed methane reserves. 73 refs., 8 figs., 3 tabs.

  16. Coal from the swash zone - Herrin (no. 11) coal in western Kentucky

    SciTech Connect (OSTI)

    Hower, J.C.; Neuder, G.L.; Graese, A.M.; Trinkle, E.J.

    1984-04-01T23:59:59.000Z

    The Herrin is typically a bright, banded coal, with abundant vitrain and bright clarain, and has a parting, the ''blue band,'' in the lower third of the seam. Herrin coal from a core in the transition zone, however, is largely a coarse breccia with calcite cement. The blue band is present in its usual position as a slickensided clay rather than as indurated siltstone as at nearby sites. A fossiliferous limestone is present in the upper third of the seam. Breccia lithotypes are duller than would be expected in the Herrin coal, but do include fragments with appearance of vitrain and bright clarain. Microscopically, however, the predominate macerals of the lithotypes are not vitrinite, as would be expected, but rather semifusinite. Vitrinite group macerals are frequently ''pseudovitrinite'' or forms showing signs of degradation. The presence of limestone ''offshore'' and as a parting within the coal and the pervasive calcite cementing between breccia fragments points to the strong influence of marine conditions on the peat. Nonbrecciated bands indicate that at least some of the seam is autochthonous. The breccia suggest a high-energy environment where peat fragments were ripped up in place or transported in from elsewhere. Any peat transport was probably along the strike of the transition zone. The peat was oxidized during fragmentation and transport, resulting in alteration of humic macerals to semifusinite and fusinite.

  17. Coal rank trends in western Kentucky coal field and relationship to hydrocarbon occurrence

    SciTech Connect (OSTI)

    Hower, J.C.; Rimmer, S.M.; Williams, D.A.; Beard, J.G. (Univ. of Kentucky, Lexington (USA))

    1989-09-01T23:59:59.000Z

    Extensive oil and gas development has occurred in the high volatile C bituminous region north of the Rough Creek fault zone, but few pools are known within the Webster syncline south of the fault zone. The rank of the Middle Pennsylvanian coals can be used to estimate the level of maturation of the Devonian New Albany Shale, a likely source rock for much of the oil and gas in the coal field. Based on relatively few data points, previous studies on the maturation of the New Albany Shale, which lies about 1 km below the Springfield coal, indicate an equivalent medium volatile bituminous (1.0-1.2% R{sub max}) rank in the Fluorspar district. New Albany rank decreases to an equivalent high volatile B/C (0.6% R{sub max}) north of the Rough Creek fault zone. Whereas the shale in the latter region is situated within the oil generation window, the higher rank region is past the peak of the level of maturation of the New Albany Shale. The significance of the New Albany reflectancy is dependent on the suppression of vitrinite reflectance in organic-rich shales. The possibility of reflectance suppression would imply that the shales could be more mature than studies have indicated.

  18. DEVELOPMENT OF CONTINUOUS SOLVENT EXTRACTION PROCESSES FOR COAL DERIVED CARBON PRODUCTS

    SciTech Connect (OSTI)

    Elliot B. Kennel; Chong Chen; Dady Dadyburjor; Liviu Magean; Peter G. Stansberry; Alfred H. Stiller; John W. Zondlo

    2005-07-13T23:59:59.000Z

    The purpose of this DOE-funded effort is to develop continuous processes for solvent extraction of coal for the production of carbon products. These carbon products include materials used in metals smelting, especially in the aluminum and steel industries, as well as porous carbon structural material referred to as ''carbon foam'' and carbon fibers. The Hydrotreatment Facility is being prepared for trials with coal liquids. Raw coal tar distillate trials have been carried out by heating coal tar in the holding tank in the Hydrotreatment Facility. The liquids are centrifuged to warm the system up in preparation for the coal liquids. The coal tar distillate is then recycled to keep the centrifuge hot. In this way, the product has been distilled such that a softening point of approximately 110 C is reached. Then an ash test is conducted.

  19. Influence of continuous-miner bit sharpness and coal-lithotype composition on coal breakage: examples from Kentucky mines. Technical report

    SciTech Connect (OSTI)

    Lineberry, G.T.; Rogers, F.D.; Leonard, J.W.; Hower, J.C.; Graese, A.M.

    1985-01-01T23:59:59.000Z

    This pilot study addresses the influence of coal lithotype, continuous miner bit sharpness, and coal hardness on particle sizing and liberation characteristics. The interface of the job end of the traditional continuous mining machine and the given geologic conditions at the job site; and their combined influence on particle sizing and liberation is investigated.

  20. Development of Continuous Solvent Extraction Processes for Coal Derived Carbon Products

    SciTech Connect (OSTI)

    Elliot B. Kennel

    2006-12-31T23:59:59.000Z

    This DOE NETL-sponsored effort seeks to develop continuous processes for producing carbon products from solvent-extracted coal. A key process step is removal of solids from liquefied coal. Three different processes were compared: gravity separation, centrifugation using a decanter-type Sharples Pennwalt centrifuge, and a Spinner-II centrifuge. The data suggest that extracts can be cleaned to as low as 0.5% ash level and probably lower using a combination of these techniques.

  1. DEVELOPMENT OF CONTINUOUS SOLVENT EXTRACTION PROCESSES FOR COAL DERIVED CARBON PRODUCTS

    SciTech Connect (OSTI)

    Elliot B. Kennel; Stephen P. Carpenter; Dady Dadyburjor; Manoj Katakdaunde; Liviu Magean; Madhavi Nallani-Chakravartula; Peter G. Stansberry; Alfred H. Stiller; John W. Zondlo

    2006-03-27T23:59:59.000Z

    The purpose of this DOE-funded effort is to develop continuous processes for solvent extraction of coal for the production of carbon products. These carbon products include materials used in metals smelting, especially in the aluminum and steel industries, as well as porous carbon structural material referred to as ''carbon foam'' and carbon fibers. During this reporting period, efforts have focused on the development of continuous processes for hydrogenation as well as continuous production of carbon foam and coke.

  2. Comparison of high-pressure CO2 sorption isotherms on Eastern and Western US coals

    SciTech Connect (OSTI)

    Romanov, V; Hur, T -B; Fazio, J; Howard, B

    2013-10-01T23:59:59.000Z

    Accurate estimation of carbon dioxide (CO2) sorption capacity of coal is important for planning the CO2 sequestration efforts. In this work, we investigated sorption and swelling behavior of several Eastern and Western US coal samples from the Central Appalachian Basin and from San Juan Basin. The CO2 sorption isotherms have been completed at 55°C for as received and dried samples. The role of mineral components in coal, the coal swelling, the effects of temperature and moisture, and the error propagation have been analyzed. Changes in void volume due to dewatering and other factors such as temporary caging of carbon dioxide molecules in coal matrix were identified among the main factors affecting accuracy of the carbon dioxide sorption isotherms. The (helium) void volume in the sample cells was measured before and after the sorption isotherm experiments and was used to build the volume-corrected data plots.

  3. Association of coal metamorphism and hydrothermal mineralization in Rough Creek fault zone and Fluorspar District, Western Kentucky

    SciTech Connect (OSTI)

    Hower, J.C.; Fiene, F.L.; Trinkle, E.J.

    1983-09-01T23:59:59.000Z

    The ambient coal rank (metamorphism) of the Carboniferous coals in the Western Kentucky coalfield ranges from high volatile A bituminous (vitrinite maximum reflectance up to 0.75% R/sub max/) in the Webster syncline (Webster and southern Union Counties) to high volatile C bituminous (0.45 to 0.60% R/sub max/) over most of the remainder of the area. Anomalous patterns of metamorphism, however, have been noted in coals recovered from cores and mines in fault blocks of the Rough Creek fault zone and Fluorspar District. Coals in Gil-30 borehole (Rough Creek faults, Bordley Quadrangle, Union County) vary with no regard for vertical position, from high volatile C(0.55% R/sub max/) to high volatile A (0.89%R/sub max) bituminous. Examination of the upper Sturgis Formation (Missourian/Virgilian) coals revealed that the higher rank (generally above 0.75% R/sub max/) coals had vein mineral assemblages of sphalerite, twinned calcite, and ferroan dolomite. Lower rank coals had only untwinned calcite. Several sites in Webster County contain various coals (Well (No. 8) to Coiltwon (No. 14)) with vitrinite reflectances up to 0.83% R/sub max/ and associated sphalerite mineralization. Mississippian and Lower Pennsylvanian (Caseyville Formation Gentry coal) coals in the mineralized Fluorspar District have ranks to nearly medium volatile bituminous (1.03% R/sub max/). The regional rank trend exhibited by the fualt zones is generally higher rank than the surrounding areas. Sphalerite mineralization in itself is not unique within Illinois basin coals, but if it was partly responsible for the metamorphism of these coals, then the fluid temperature must have been higher within the above mentioned fault complexes.

  4. DEVELOPMENT OF CONTINUOUS SOLVENT EXTRACTION PROCESSES FOR COAL DERIVED CARBON PRODUCTS

    SciTech Connect (OSTI)

    Elliot B. Kennel; Stephen P. Carpenter; Dady Dadyburjor; Manoj Katakdaunde; Liviu Magean; Peter G. Stansberry; Alfred H. Stiller; John W. Zondlo

    2005-08-11T23:59:59.000Z

    The purpose of this DOE-funded effort is to develop continuous processes for solvent extraction of coal for the production of carbon products. These carbon products include materials used in metals smelting, especially in the aluminum and steel industries, as well as porous carbon structural material referred to as ''carbon foam'' and carbon fibers. During this reporting period, efforts have focused on the facility modifications for continuous hydrotreating, as well as developing improved protocols for producing synthetic pitches.

  5. Correlation of producing Fruitland Formation coals within the western outcrop and coalbed methane leakage on the Southern Ute Reservation

    SciTech Connect (OSTI)

    Carroll, Christopher J.; Mathews, Stephanie; Wickman, Barbara

    2000-07-07T23:59:59.000Z

    The Colorado Geological Survey and Southern Ute Indian Tribe proposed to determine the cause of several gas seeps which are occurring on the western outcrop of the coalbed methane producing Fruitland Formation on the Southern Ute Indian Reservation. Correlation between outcrop coals and subsurface coals was necessary to determine seep source in the northern part of the study area. Subsurface studies include structure and net coal isopach maps, stratigraphy was cross-sections, production maps, and a production database. Detailed coal stratigraphy was correlated through production wells near the outcrop region. These maps and cross-sections were correlated to new surface outcrop maps generated by the Colorado, Geological Survey and the Southern Ute Division of Energy Resources. Methane gas seepage has been noted historically within the study area. The total investigation may help determine if gas seepage is natural, a result of coalbed methane development, or some combination of the above.

  6. DEVELOPMENT OF CONTINUOUS SOLVENT EXTRACTION PROCESSES FOR COAL DERIVED CARBON PRODUCTS

    SciTech Connect (OSTI)

    Dady B. Dadyburjor; Mark E. Heavner; Manoj Katakdaunde; Liviu Magean; J. Joshua Maybury; Alfred H. Stiller; Joseph M. Stoffa; John W. Zondlo

    2006-08-01T23:59:59.000Z

    The purpose of this DOE-funded effort is to develop continuous processes for solvent extraction of coal for the production of carbon products. The largest applications are those which support metals smelting, such as anodes for aluminum smelting and electrodes for arc furnaces. Other carbon products include materials used in creating fuels for the Direct Carbon Fuel Cell, and porous carbon structural material referred to as ''carbon foam'' and carbon fibers. During this reporting period, hydrotreatment of solvent was completed in preparation for pitch fabrication for graphite electrodes. Coal digestion has lagged but is expected to be complete by next quarter. Studies are reported on coal dissolution, pitch production, foam synthesis using physical blowing agents, and alternate coking techniques.

  7. Petrographic characterization of Kentucky coals. Final report. Part IV. A petrographic and chemical model for the evolution of the Tradewater Formation coals in Western Kentucky

    SciTech Connect (OSTI)

    Graese, A.M.; Hower, J.C.; Ferm, J.C.

    1984-01-01T23:59:59.000Z

    A depositional model for the coals of the Tradewater Formation and associated rock units was constructed as a predictive device for the occurrence of economically important low sulfur coal. Twenty-one cores were examined and ninety-eight coal samples were analyzed for maceral, ash, and sulfur contents. These data were then analyzed to determine regional variation as well as vertical variation in single coal columns. Core data indicate that the majority of the Tradewater rocks consist of irregularly distributed, coarsening-upward, fine-grained detrital material which was deposited in shallow bodies of water. Minor fossiliferous shales and limestones suggest a marine influence. Less common coarse-grained, fining-upward sequences appear to be deposits of meandering channels. Like the detrital rocks, the coal seams are also irregularly distributed and exhibit variable petrographic and chemical properties reflecting changes in the Eh and pH of the coal swamp waters as well as detrital influx into the swamps. These swamps were relatively limited in extent and probably occupied the upper reaches of the tidal zone. The lack of significant stratigraphic and geographic trends in the regional data suggests that this mode of deposition was widespread and continued for a long period of time. 42 references, 19 figures, 9 tables.

  8. A simplified model for the combustion of coal in a continuous flow fluidized bed

    E-Print Network [OSTI]

    Richardson, Thomas Wade

    1982-01-01T23:59:59.000Z

    with ease of handling. 2. The rapid mixing of solids to nearly isothermal conditions throughout the reactor, hence the operation can be controlled simply and reliably. 3. The circulation of solids between two fluidized beds makes it possible...A SIMPLIFIED MODEL FOR THE COMBUSTION OF COAL IN A CONTINUOUS FLOW FLUIDIZED BED A Thesis by THOMAS WADE RICHARDSON Submitted to the Graduate College of Texas A&M University in partial fulfillment of the requirements for the degree of MASTER...

  9. Petrographic characterization of Kentucky coals. Final report. Part II. Depositional settings of the coal bearing, upper Tradewater Formation in western Kentucky with emphasis on the Mannington (No. 4) coal zone

    SciTech Connect (OSTI)

    Baynard, D.N.; Hower, J.C.

    1983-01-01T23:59:59.000Z

    Depositional settings were determined in the coal bearing, Middle Pennsylvanian, upper Tradewater Formation in western Kentucky with emphasis on the Mannington (No. 4) coal zone. The coals have been analyzed for maceral contents, lithotypes, dry sulfur/ash percentages, vitrinite reflectance values, pyrite/marcasite contents, and associated lithologies at different vertical and lateral scales. This study concludes that: (1) the thin coarsening - or fining upward sequences, under the Mannington (No. 4) coal zone are possibly shallow bayfill and channel-fill deposits that provided an environment that has slight differences in topography, (2) rapid vertical and lateral change in total vitrinite, dry sulfur/ash percentages and lithotypes at different scales in the Mannington (No. 4) coal zone are indicative of wideranging Eh and pH values and possibly result from slight changes in paleotopography, and (3) the Davis (No. 6) coal was deposited after a period of thick coarsening - or fining upward sequences, possibly providing a relatively flat-stable surface for peat development. The consistent total vitrinite, dry sulfur/ash values, and thickness trends indicate a more restricted environment (pH and Eh) in the Davis (No. 6) swamp. 41 references, 25 figures, 3 tables.

  10. DEVELOPMENT OF CONTINUOUS SOLVENT EXTRACTION PROCESSES FOR COAL DERIVED CARBON PRODUCTS

    SciTech Connect (OSTI)

    Elliot B. Kennel; Chong Chen; Dady Dadyburjor; Liviu Magean; Peter G. Stansberry; Alfred H. Stiller; John W. Zondlo

    2005-04-13T23:59:59.000Z

    The purpose of this DOE-funded effort is to develop continuous processes for solvent extraction of coal for the production of carbon products. These carbon products include materials used in metals smelting, especially in the aluminum and steel industries, as well as porous carbon structural material referred to as ''carbon foam'' and carbon fibers. Table 1 provides an overview of the major markets for carbon products. Current sources of materials for these processes generally rely on petroleum distillation products or coal tar distillates obtained as a byproduct of metcoke production facilities. In the former case, the American materials industry, just as the energy industry, is dependent upon foreign sources of petroleum. In the latter case, metcoke production is decreasing every year due to the combined difficulties associated with poor economics and a significant environmental burden. Thus, a significant need exists for an environmentally clean process which can used domestically obtained raw materials and which can still be very competitive economically.

  11. DEVELOPMENT OF CONTINUOUS SOLVENT EXTRACTION PROCESSES FOR COAL DERIVED CARBON PRODUCTS

    SciTech Connect (OSTI)

    Elliot B. Kennel; Philip L. Biedler; Chong Chen; Dady Dadyburjor; Liviu Magean; Peter G. Stansberry; Alfred H. Stiller; John W. Zondlo

    2005-04-13T23:59:59.000Z

    The purpose of this DOE-funded effort is to develop continuous processes for solvent extraction of coal for the production of carbon products. These carbon products include materials used in metals smelting, especially in the aluminum and steel industries, as well as porous carbon structural material referred to as ''carbon foam'' and carbon fibers. A process has been developed which results in high quality binder pitch suitable for use in graphite electrodes or carbon anodes. A detailed description of the protocol is given by Clendenin. Briefly, aromatic heavy oils are hydro-treated under mild conditions in order to increase their ability to dissolve coal. An example of an aromatic heavy oil is Koppers Carbon Black Base (CBB) oil. CBB oil has been found to be an effective solvent and acceptably low cost (i.e., significantly below the market price for binder pitch, or about $280 per ton at the time of this writing). It is also possible to use solvents derived from hydrotreated coal and avoid reliance on coke oven recovery products completely if so desired.

  12. DEVELOPMENT OF CONTINUOUS SOLVENT EXTRACTION PROCESSES FOR COAL DERIVED CARBON PRODUCTS

    SciTech Connect (OSTI)

    Elliot B. Kennel; R. Michael Bergen; Stephen P. Carpenter; Dady Dadyburjor; Manoj Katakdaunde; Liviu Magean; Alfred H. Stiller; W. Morgan Summers; John W. Zondlo

    2006-05-12T23:59:59.000Z

    The purpose of this DOE-funded effort is to develop continuous processes for solvent extraction of coal for the production of carbon products. The largest applications are those which support metals smelting, such as anodes for aluminum smelting and electrodes for arc furnaces. Other carbon products include materials used in creating fuels for the Direct Carbon Fuel Cell, metals smelting, especially in the aluminum and steel industries, as well as porous carbon structural material referred to as ''carbon foam'' and carbon fibers. During this reporting period, coking and composite fabrication continued using coal-derived samples. These samples were tested in direct carbon fuel cells. Methodology was refined for determining the aromatic character of hydro treated liquid, based on Nuclear Magnetic Resonance (NMR) and Fourier Transform Infrared (FTIR). Tests at GrafTech International showed that binder pitches produced using the WVU solvent extraction protocol can result in acceptable graphite electrodes for use in arc furnaces. These tests were made at the pilot scale.

  13. DEVELOPMENT OF CONTINUOUS SOLVENT EXTRACTION PROCESSES FOR COAL DERIVED CARBON PRODUCTS

    SciTech Connect (OSTI)

    Elliot Kennel; Chong Chen; Dady Dadyburjor; Mark Heavner; Manoj Katakdaunde; Liviu Magean; James Mayberry; Alfred Stiller; Joseph Stoffa; Christopher Yurchick; John Zondlo

    2009-12-31T23:59:59.000Z

    This NETL sponsored effort seeks to develop continuous technologies for the production of carbon products, which may be thought of as the heavier products currently produced from refining of crude petroleum and coal tars obtained from metallurgical grade coke ovens. This effort took binder grade pitch, produced from liquefaction of West Virginia bituminous grade coal, all the way to commercial demonstration in a state of the art arc furnace. Other products, such as crude oil, anode grade coke and metallurgical grade coke were demonstrated successfully at the bench scale. The technology developed herein diverged from the previous state of the art in direct liquefaction (also referred to as the Bergius process), in two major respects. First, direct liquefaction was accomplished with less than a percent of hydrogen per unit mass of product, or about 3 pound per barrel or less. By contrast, other variants of the Bergius process require the use of 15 pounds or more of hydrogen per barrel, resulting in an inherent materials cost. Second, the conventional Bergius process requires high pressure, in the range of 1500 psig to 3000 psig. The WVU process variant has been carried out at pressures below 400 psig, a significant difference. Thanks mainly to DOE sponsorship, the WVU process has been licensed to a Canadian Company, Quantex Energy Inc, with a commercial demonstration unit plant scheduled to be erected in 2011.

  14. DEVELOPMENT OF CONTINUOUS SOLVENT EXTRACTION PROCESSES FOR COAL DERIVED CARBON PRODUCTS

    SciTech Connect (OSTI)

    Elliot B. Kennel; Quentin C. Berg; Stephen P. Carpenter; Dady Dadyburjor; Jason C. Hissam; Manoj Katakdaunde; Liviu Magean; Abha Saddawi; Alfred H. Stiller; John W. Zondlo

    2006-03-07T23:59:59.000Z

    The purpose of this DOE-funded effort is to develop continuous processes for solvent extraction of coal for the production of carbon products. The largest applications are those which support metals smelting, such as anodes for aluminum smelting and electrodes for arc furnaces. Other carbon products include materials used in creating fuels for the Direct Carbon Fuel Cell, metals smelting, especially in the aluminum and steel industries, as well as porous carbon structural material referred to as ''carbon foam'' and carbon fibers. During this reporting period, efforts have focused on the development of carbon electrodes for Direct Carbon Fuel Cells (DCFC), and on carbon foam composites used in ballistic armor, as well as the hydrotreatment of solvents used in the basic solvent extraction process. A major goal is the production of 1500 pounds of binder pitch, corresponding to about 3000 pounds of hydrotreated solvent.

  15. Development of a Hydrogasification Process for Co-Production of Substitute Natural Gas (SNG) and Electric Power from Western Coals

    SciTech Connect (OSTI)

    Sun, Xiaolei; Rink, Nancy

    2011-04-30T23:59:59.000Z

    This report presents the results of the research and development conducted on an Advanced Hydrogasification Process (AHP) conceived and developed by Arizona Public Service Company (APS) under U.S. Department of Energy (DOE) contract: DE-FC26-06NT42759 for Substitute Natural Gas (SNG) production from western coal. A double-wall (i.e., a hydrogasification contained within a pressure shell) down-flow hydrogasification reactor was designed, engineered, constructed, commissioned and operated by APS, Phoenix, AZ. The reactor is ASME-certified under Section VIII with a rating of 1150 pounds per square inch gage (psig) maximum allowable working pressure at 1950 degrees Fahrenheit ({degrees}F). The reaction zone had a 1.75 inch inner diameter and 13 feet length. The initial testing of a sub-bituminous coal demonstrated ~ 50% carbon conversion and ~10% methane yield in the product gas under 1625{degrees}F, 1000 psig pressure, with a 11 seconds (s) residence time, and 0.4 hydrogen-to-coal mass ratio. Liquid by-products mainly contained Benzene, Toluene, Xylene (BTX) and tar. Char collected from the bottom of the reactor had 9000-British thermal units per pound (Btu/lb) heating value. A three-dimensional (3D) computational fluid dynamic model simulation of the hydrodynamics around the reactor head was utilized to design the nozzles for injecting the hydrogen into the gasifier to optimize gas-solid mixing to achieve improved carbon conversion. The report also presents the evaluation of using algae for carbon dioxide (CO{sub 2}) management and biofuel production. Nannochloropsis, Selenastrum and Scenedesmus were determined to be the best algae strains for the project purpose and were studied in an outdoor system which included a 6-meter (6M) radius cultivator with a total surface area of 113 square meters (m{sup 2}) and a total culture volume between 10,000 to 15,000 liters (L); a CO{sub 2} on-demand feeding system; an on-line data collection system for temperature, pH, Photosynthetically Activate Radiation (PAR) and dissolved oxygen (DO); and a ~2 gallons per minute (gpm) algae culture dewatering system. Among the three algae strains, Scenedesmus showed the most tolerance to temperature and irradiance conditions in Phoenix and the best self-settling characteristics. Experimental findings and operational strategies determined through these tests guided the operation of the algae cultivation system for the scale-up study. Effect of power plant flue gas, especially heavy metals, on algae growth and biomass adsorption were evaluated as well.

  16. Quality characterization of western Cretaceous coal from the Colorado Plateau as part of the U.S. Geological Survey's National Coal Resource Assessment Program

    SciTech Connect (OSTI)

    Affolter, R.H.; Brownfield, M.E.

    1999-07-01T23:59:59.000Z

    The goal of the Colorado Plateau Coal Assessment program is to provide an overview of the geologic setting, distribution, resources, and quality of Cretaceous coal in the Colorado Plateau. This assessment, which is part of the US Geological Survey's National Coal Resource Assessment Program, is different from previous coal assessments in that the major emphasis is placed on coals that are most likely to provide energy over the next few decades. The data is also being collected and stored in digital format that can be updated as new information becomes available. Environmental factors may eventually control how coal will be mined, and determine to what extent measures will be implemented to reduce trace element emissions. In the future, increased emphasis will also be placed on coal combustion products and the challenges of waste product disposal or utilization. Therefore, coal quality characterization is an important aspect of the coal assessment program in that it provides important data that will influence future utilization of this resource. The Colorado Plateau study is being completed in cooperation with the US Bureau of Land Management, US Forest Service, Arizona Geological Survey, Colorado Geological Survey, New Mexico Bureau of Mines and Mineral Resources, and the Utah Geological Survey. Restrictions on coal thickness and overburden will be applied to the resource calculations and the resources will be categorized by land ownership. In some areas these studies will also delineate areas where coal mining may be restricted because of land use, industrial, social, or environmental factors. Emphasis is being placed on areas where the coal is controlled by the Federal Government.

  17. Petrographic characterization of Kentucky coals. Final report. Part VI. The nature of pseudovitrinites in Kentucky coals

    SciTech Connect (OSTI)

    Trinkle, E.J.; Hower, J.C.

    1984-02-01T23:59:59.000Z

    Overall average pseudovitrinite content for 1055 eastern Kentucky coal samples is nearly 9% while average percentage of pseudovitrinite for 551 western Kentucky coals is approximately 4%. Examination of variation in pseudovitrinite content relative to rank changes shows uniformity in pseudovitrinite percentages within the 4 to 7 V-type interval for eastern Kentucky coals but a gradual increase in pseudovitrinite content for western Kentucky coals over the same rank interval. Coals from both coal fields show similar, distinct increases in pseudovitrinite percentage in the highest V-type categories. However, it is suggested here that these supposed increases in pseudovitrinite percentages are not real but rather, indicate distinct increase in the brightness of nitrinite resulting from increased alteration of vitrinite beginning at this stage of coalification and continuing into the higher rank stages. This conclusion is reached when it is found that differences between pseudovitrinite and vitrinite reflectance are least in coals at these high rank intervals of Kentucky and, also, when vitrinite particles are often visually observed having brightness equal to that of pseudovitrinite particles. Relation of pseudovitrinite to other sulfur forms and total sulfur in general shows no significant trends, although the relatively high pyritic sulfur content in western Kentucky coals, coupled with relatively low inert percentages suggest the existence of predominantly reducing, or at least non-oxidizing conditions in the Pennsylvanian peat swamps of western Kentucky. Initial work involving Vicker's microhardness testing of coals indicates that microhardness values for pseudovitrinite are higher than those for vitrinite within the same sample regardless of coal rank or coal field from which the sample was collected. 15 references, 9 figures, 9 tables.

  18. Rank enhancement of Permian Barakar and Raniganj coal measures in the western part of the Sohagpur coalfield, Madhya Pradesh, India

    SciTech Connect (OSTI)

    Warwick, P.D.; Milici, R.C.; Mukhopadyay, A.; Adhikari, S.

    1999-07-01T23:59:59.000Z

    The Geological Survey of India (GSI) and the U.S. Geological Survey (USGS) are engaged in a study of the coking coal deposits in the Sohagpur coalfield, near Shahdol, Madhya Pradesh. The major occurrences of coking coal in the Sohagpur coalfield are on the northern, down-thrown side of the regional Bamhani-Chilpa fault, where depths to the coking coal range generally from 100 to 500 m. These coal deposits are within the Permian Barakar Formation, which comprises the lower coal measures of the Gondwana Supergroup. Equivalent coal beds on the south side of the fault are generally non-coking, and are currently being mined in open-cast and underground mines, for use as fuel for electric power generation. In this paper, new data are presented which expands on data and ideas originally presented in Mukhopadyay and others. The purpose of this paper is to integrate thermal signatures (vitrinite reflectance and volatile matter) of the principal coal beds of the Sohagpur coalfield with stratigraphic and structural data. In order to characterize the coking coal deposits, the authors have collected more than 100 coal samples from both the Barakar and Raniganj Formations for analyses. The occurrence of coking coal in the Sohagpur coalfield is related primarily to the thermal alteration of the coal beds in the different geologic settings within the coalfield. In addition, differences in the maceral content of the various coal beds and in the chemical and physical composition within each bed depending upon location, play an important role in determining the existence of coking properties for a particular coal deposit. Potential heat sources for thermal alteration include the abundant dolerite intrusives in the region, and greater depth of burial of the coking coal beds on the down-thrown side of the Bamhani-Chilpa fault. Offset along the Bamhani-Chilpa system has been suggested to greater than 400 m. Hot water, similar to that found in other Permian coalfields in India, may have been the agent that metamorphosed the coal in some places but not in others.

  19. HYDROGENOLYSIS OF A SUB-BITUMINOUS COAL WITH MOLTEN ZINC CHLORIDE SOLUTIONS

    E-Print Network [OSTI]

    Holten, R.R.

    2010-01-01T23:59:59.000Z

    for Liquefaction and Gasification of Western Coals", in5272 (1976). COal Processing - Gasification, Liguefaction,or gaseous fuels, coal gasification has advanced furthest

  20. Twenty million years of continuous deformation along the Karakorum fault, western Tibet

    E-Print Network [OSTI]

    Lacassin, Robin

    slow cooling for the period $21­ 14 Ma, followed by rapid cooling between $14 and 4 Ma. These data demonstrate that right-lateral motion was in progress in the early Miocene and that shear continued at least-normal motion associated with the onset of rapid cooling. At the regional scale, the coexistence of transtension

  1. Western US steam coal exports to the Pacific Basin: port and marine task group. [Data on 26 possible Western USA ports and terminal facilities

    SciTech Connect (OSTI)

    Not Available

    1981-11-01T23:59:59.000Z

    Volume 5 sets forth considerations and options in developing coal ports on the West Coast of the US. It includes information on the size, configuration, and ownership of the present and planned world bulk vessel fleet, as well as factors affecting the cost and efficiency of sealift transportation alternatives - including Panamax and VLCCs. The report also covers capacity and timing of development for receiving ports, synthesized from research and discussions with industry and government officials in Japan, South Korea, and the Republic of China. The physical and environmental aspects of announced plans to expand West Coast port capacity, capital and operating costs, and lead times for port expansion are also covered. The report includes marine charts and serial photographs of the 26 planned West Coast port sites.

  2. Biological production of ethanol from coal. Task 4 report, Continuous reactor studies

    SciTech Connect (OSTI)

    Not Available

    1992-10-01T23:59:59.000Z

    The production of ethanol from synthesis gas by the anaerobic bacterium C. ljungdahlii has been demonstrated in continuous stirred tank reactors (CSTRs), CSTRs with cell recycle and trickle bed reactors. Various liquid media were utilized in these studies including basal medium, basal media with 1/2 B-vitamins and no yeast extract and a medium specifically designed for the growth of C. ljungdahlii in the CSTR. Ethanol production was successful in each of the three reactor types, although trickle bed operation with C. ljungdahlii was not as good as with the stirred tank reactors. Operation in the CSTR with cell recycle was particularly promising, producing 47 g/L ethanol with only minor concentrations of the by-product acetate.

  3. Non-matrix corrected organic sulfur determination by energy dispersive X-ray spectroscopy for western Kentucky coals and residues

    SciTech Connect (OSTI)

    Clark, C.P.; Freeman, G.B.; Hower, J.C.

    1984-01-01T23:59:59.000Z

    A method for non-matrix corrected organic sulfur analysis by energy dispersive X-ray spectroscopy has been developed using petroleum coke standards. Typically, electron beam microanalysis is a rapid, nondestructive analytical technique to quantitatively measure organic sulfur in coal. The results show good correlation to ASTM values for numerous well characterized coals with a wide range in total and pyritic sulfur content. This direct analysis is capable of reducing error commonly associated with the present ASTM method which relies on an indirect measure of organic sulfur by difference. The precision of the organic sulfur values determined in the present study is comparable to that obtained by ZAF matrix corrected microanalysis. The energy dispersive microanalysis is capable of measuring micro as well as bulk organic sulfur levels.

  4. The utility of continual reservoir description: An example from Bindley Field, Western Kansas

    SciTech Connect (OSTI)

    Johnson, R.A. (Energy Foundation Inc., Lakewood, CO (United States)); Budd, D.A. (Univ. of Colorado, Boulder, CO (United States))

    1994-05-01T23:59:59.000Z

    Continual revision of geologic reservoir description is an important component of reservoir management. New data should be incorporated into existing reservoir models in light of evolving geologic concepts. Revisions may have significant impacts on the approach and success of reservoir management strategies. A reevaluation of Bindley field (Mississippian), Hodgeman County, Kansas, serves as an illustration of this process. Prior study of this field suggested that the reservoir interval is comprised of a single, relatively uniform facies (bryozoan dolomite) having no apparent internal structure. A waterflood attempt based on this concept of reservoir architecture resulted in minimal response. A revised model of reservoir architecture and petrophysics resulted from integration of new core data, a new stratigraphic correlation scheme, updated well production histories, and capillary pressure data. The revised geologic model reveals specific methods to improve primary recovery and rectify the poor waterflood performance. These methods include selective perforation of all oil-saturated type I flow units to optimize primary recovery and remedial waterflood design to assure continuity of fluid flow between injection and production wells. 19 refs., 20 figs., 2 tabs.

  5. Palynologic and petrographic cycles in the McLeansboro Group, Western Kentucky

    SciTech Connect (OSTI)

    Hower, J.C. (Univ. of Kentucky, Lexington, KY (United States). Center for Applied Energy Research); Helfrich, C.T. (Eastern Kentucky Univ., Richmond, KY (United States)); Williams, D.A. (Kentucky Geological Survey, Henderson, KY (United States))

    1992-01-01T23:59:59.000Z

    The McLeansboro Group in the Western Kentucky coal field spans the upper Desmoinesian and the Missourian and Virgilian series. Extensive drilling has demonstrated the lateral continuity of major and minor beds in the group, making it possible to study vertical and lateral changes in palynology and petrology. The Desmoinesian (Westphalian D) Baker (No. 13) and Wheatcroft (No. 13a) coal beds were included in the study but the primary emphasis is on the Missourian and Virgilian (Stephanian) coals. Patoka fm (lower Missourian) coals are dominated by tree fern spores with lesser sphenopsids, ferns, and cordaites. This is in marked contrast to the arborescent lycopod-dominated Desmoinesian coals. Only the No. 15 coal bed exceeds 80% vitrinite with the No. 16 coal bed vitrinite content of < 72% being the lowest of any Western Kentucky humic coal. The Bond Fm. (upper Missourian) represents a distinct floristic cycle with a greater diversity of plant groups including herbaceous lycopods, relatively minor contributors to the Patoka coals. The coals generally exceed 80% vitrinite. The Mattoon Fm. (Virgilian) coals have a variety of polynomorph assemblages. The low-sulfur Geiger Lake coal bed is dominated by tree ferns with important contributions from ferns and sphenopsids. Similar to the underlying tree fern interval, vitrinite contents are <80%. The uppermost Mattoon coals are dominated by ferns and are notable in being the only >1 m thick coals in the Stephanian portion of the section, with the top coal being 4.3 m thick. The uppermost coals are generally > 80% vitrinite. The palynologic/petrographic cycles appear to represent fluctuating dry (low vitrinite) and wet intervals within the Missourian/Virgilian which itself was drier than the Desmoinesian.

  6. Analysis of integrating compressed air energy storage concepts with coal gasification/combined-cycle systems for continuous power production

    SciTech Connect (OSTI)

    Nakhamkin, M.; Patel, M.; Andersson, L. (Energy Storage and Power Consultants, Inc., Mountainside, NJ (United States))

    1992-12-01T23:59:59.000Z

    A previous study sponsored by EPRI concluded that integrating a compressed-air energy storage (CAES) plant with a coal-gasification system (CGS) can reduce the required capacity and cost of the expensive gasification system. The results showed that when compared at an equal plant capacity, the capital cost of the CGS portion of the integrated CAES/CGS plant can be reduced by as much as 30% relative to the same portion of an integrated gasification combined cycle (IGCC) plant. Furthermore, the capital cost of the CAES/CGS.plant, configured as a peaking unit, was found to be slightly lower than that of the base-load IGCC plant. However, the overall economics of the CAES/CGS plant were adversely affected by the low capacity factor of the peak-load service, and ultimately, were found to be less attractive than the IGCC plant. The main objective of this study was to develop and analyze integrated CAES/CGS power plant concepts which provide for continuous (around-the-clock) operation of both the CAES reheat turboexpander train and the CGS facility. The developed concepts also provide utility-load management functions by driving the CAES compressor trains with off-peak electricity supplied through the grid. EPRI contracted with Energy Storage Power Consultants, Inc. (ESPC) to develop conceptual designs, optimized performance characteristics, and preliminary cost data for these CAES/CGS concepts, and to provide a technical and cost comparison to the IGCC plant. The CAES/CGS concepts developed by ESPC for the current study contrast from those of Reference 1.

  7. Development of a Hydrogasification Process for Co-Production of Substitute Natural Gas (SNG) and Electric Power from Western Coals-Phase I

    SciTech Connect (OSTI)

    Raymond Hobbs

    2007-05-31T23:59:59.000Z

    The Advanced Hydrogasification Process (AHP)--conversion of coal to methane--is being developed through NETL with a DOE Grant and has successfully completed its first phase of development. The results so far are encouraging and have led to commitment by DOE/NETL to begin a second phase--bench scale reactor vessel testing, expanded engineering analysis and economic perspective review. During the next decade new means of generating electricity, and other forms of energy, will be introduced. The members of the AHP Team envision a need for expanded sources of natural gas or substitutes for natural gas, to fuel power generating plants. The initial work the team has completed on a process to use hydrogen to convert coal to methane (pipeline ready gas) shows promising potential. The Team has intentionally slanted its efforts toward the needs of US electric utilities, particularly on fuels that can be used near urban centers where the greatest need for new electric generation is found. The process, as it has evolved, would produce methane from coal by adding hydrogen. The process appears to be efficient using western coals for conversion to a highly sought after fuel with significantly reduced CO{sub 2} emissions. Utilities have a natural interest in the preservation of their industry, which will require a dramatic reduction in stack emissions and an increase in sustainable technologies. Utilities tend to rank long-term stable supplies of fuel higher than most industries and are willing to trade some ratio of cost for stability. The need for sustainability, stability and environmentally compatible production are key drivers in the formation and progression of the AHP development. In Phase II, the team will add a focus on water conservation to determine how the basic gasification process can be best integrated with all the plant components to minimize water consumption during SNG production. The process allows for several CO{sub 2} reduction options including consumption of the CO{sub 2} in the original process as converted to methane. The process could under another option avoid emissions following the conversion to SNG through an adjunct algae conversion process. The algae would then be converted to fuels or other products. An additional application of the algae process at the end use natural gas fired plant could further reduce emissions. The APS team fully recognizes the competition facing the process from natural gas and imported liquid natural gas. While we expect those resources to set the price for methane in the near-term, the team's work to date indicates that the AHP process can be commercially competitive, with the added benefit of assuring long-term energy supplies from North American resources. Conversion of coal to a more readily transportable fuel that can be employed near load centers with an overall reduction of greenhouses gases is edging closer to reality.

  8. Emissions from burning tire-derived fuel (TDF): Comparison of batch combustion of tire chips and continuous combustion of tire crumb mixed with coal

    SciTech Connect (OSTI)

    Levendis, Y.A.; Atal, A. [Northeastern Univ., Boston, MA (United States); Carlson, J.B. [Army Natick R, Natick, MA (United States)

    1998-04-01T23:59:59.000Z

    This laboratory study investigated the emissions of waste automobile tire-derived fuel (TDF). This fuel was burned in two different modes, either segmented in small pieces (tire chunks) or in pulverized form (tire crumb). Tire chunks were burned in fixed beds in batch mode in a horizontal furnace. Tire crumb was burned in a continous flow mode, dispersed in air, either alone or mixed with pulverized coal, in a verical furnace. The gas flow was laminar, the gas temperature was 1000{degrees}C in all cases, and the residence times of the combustion products in the furnaces were similar. Chunks of waste tires had dimensions in the range of 3-9 {mu}m, tire crumb was size-classified to be 180-212 {mu}m and the high volatile bituminous coal, used herein, was 63-75. The fuel mass loading in the furnaces was varied. The following emissions were monitored at the exit of the furnaces: CO, CO{sub 2}, NO{sub x} polynuclear aromatic hydrocarbon (PAH) and particulates. Results showed that combustion of TDF in fixed beds resulted in large yields (emissions per mass of fuel burned) of CO, soot and PAHs. Such yields increased with the size of the bed. CO, soot and PAHs yields from batch combustion of fixed beds of coal were lower by more than an order of magnitude than those from fixed beds of TDF. Continuous pulverized fuel combustion of TDF (tire crumb) resulted in dramatically lower yields of CO, soot and PAHs than those from batch combustion, especially when TDF was mixed with pulverized coal. To the contrary, switching the mode of combustion of coal (from fixed beds to pulverized fuel) did not result in large differences in the aforementioned emissions. CO{sub 2}, and, especially, NO{sub x} yields from batch combustion of TDF were lower than those from coal. Emissions of NO{sub x} were somewhat lower from batch combustion than from pulverized fuel combustion of TDF and coal.

  9. Enhanced Combustion Low NOx Pulverized Coal Burner

    SciTech Connect (OSTI)

    David Towle; Richard Donais; Todd Hellewell; Robert Lewis; Robert Schrecengost

    2007-06-30T23:59:59.000Z

    For more than two decades, Alstom Power Inc. (Alstom) has developed a range of low cost, infurnace technologies for NOx emissions control for the domestic U.S. pulverized coal fired boiler market. This includes Alstom's internally developed TFS 2000{trademark} firing system, and various enhancements to it developed in concert with the U.S. Department of Energy. As of the date of this report, more than 270 units representing approximately 80,000 MWe of domestic coal fired capacity have been retrofit with Alstom low NOx technology. Best of class emissions range from 0.18 lb/MMBtu for bituminous coal to 0.10 lb/MMBtu for subbituminous coal, with typical levels at 0.24 lb/MMBtu and 0.13 lb/MMBtu, respectively. Despite these gains, NOx emissions limits in the U.S. continue to ratchet down for new and existing boiler equipment. On March 10, 2005, the Environmental Protection Agency (EPA) announced the Clean Air Interstate Rule (CAIR). CAIR requires 25 Eastern states to reduce NOx emissions from the power generation sector by 1.7 million tons in 2009 and 2.0 million tons by 2015. Low cost solutions to meet such regulations, and in particular those that can avoid the need for a costly selective catalytic reduction system (SCR), provide a strong incentive to continue to improve low NOx firing system technology to meet current and anticipated NOx control regulations. The overall objective of the work is to develop an enhanced combustion, low NOx pulverized coal burner, which, when integrated with Alstom's state-of-the-art, globally air staged low NOx firing systems will provide a means to achieve: Less than 0.15 lb/MMBtu NOx emissions when firing a high volatile Eastern or Western bituminous coal, Less than 0.10 lb/MMBtu NOx emissions when firing a subbituminous coal, NOx reduction costs at least 25% lower than the costs of an SCR, Validation of the NOx control technology developed through large (15 MWt) pilot scale demonstration, and Documentation required for economic evaluation and commercial application. During the project performance period, Alstom performed computational fluid dynamics (CFD) modeling and large pilot scale combustion testing in its Industrial Scale Burner Facility (ISBF) at its U.S. Power Plant Laboratories facility in Windsor, Connecticut in support of these objectives. The NOx reduction approach was to optimize near-field combustion to ensure that minimum NOx emissions are achieved with minimal impact on unburned carbon in ash, slagging and fouling, corrosion, and flame stability/turn-down. Several iterations of CFD and combustion testing on a Midwest coal led to an optimized design, which was extensively combustion tested on a range of coals. The data from these tests were then used to validate system costs and benefits versus SCR. Three coals were evaluated during the bench-scale and large pilot-scale testing tasks. The three coals ranged from a very reactive subbituminous coal to a moderately reactive Western bituminous coal to a much less reactive Midwest bituminous coal. Bench-scale testing was comprised of standard ASTM properties evaluation, plus more detailed characterization of fuel properties through drop tube furnace testing and thermogravimetric analysis. Bench-scale characterization of the three test coals showed that both NOx emissions and combustion performance are a strong function of coal properties. The more reactive coals evolved more of their fuel bound nitrogen in the substoichiometric main burner zone than less reactive coal, resulting in the potential for lower NOx emissions. From a combustion point of view, the more reactive coals also showed lower carbon in ash and CO values than the less reactive coal at any given main burner zone stoichiometry. According to bench-scale results, the subbituminous coal was found to be the most amenable to both low NOx, and acceptably low combustibles in the flue gas, in an air staged low NOx system. The Midwest bituminous coal, by contrast, was predicted to be the most challenging of the three coals, with the Western bituminous coal predicted to beh

  10. Application of Pulse Spark Discharges for Scale Prevention and Continuous Filtration Methods in Coal-Fired Power Plant

    SciTech Connect (OSTI)

    Cho, Young; Fridman, Alexander

    2012-06-30T23:59:59.000Z

    The overall objective of the present work was to develop a new scale-prevention technology by continuously precipitating and removing dissolved mineral ions (such as calcium and magnesium) in cooling water while the COC could be doubled from the present standard value of 3.5. The hypothesis of the present study was that if we could successfully precipitate and remove the excess calcium ions in cooling water, we could prevent condenser-tube fouling and at the same time double the COC. The approach in the study was to utilize pulse spark discharges directly in water to precipitate dissolved mineral ions in recirculating cooling water into relatively large suspended particles, which could be removed by a self-cleaning filter. The present study began with a basic scientific research to better understand the mechanism of pulse spark discharges in water and conducted a series of validation experiments using hard water in a laboratory cooling tower. Task 1 of the present work was to demonstrate if the spark discharge could precipitate the mineral ions in water. Task 2 was to demonstrate if the selfcleaning filter could continuously remove these precipitated calcium particles such that the blowdown could be eliminated or significantly reduced. Task 3 was to demonstrate if the scale could be prevented or minimized at condenser tubes with a COC of 8 or (almost) zero blowdown. In Task 1, we successfully completed the validation study that confirmed the precipitation of dissolved calcium ions in cooling water with the supporting data of calcium hardness over time as measured by a calcium ion probe. In Task 2, we confirmed through experimental tests that the self-cleaning filter could continuously remove precipitated calcium particles in a simulated laboratory cooling tower such that the blowdown could be eliminated or significantly reduced. In addition, chemical water analysis data were obtained which were used to confirm the COC calculation. In Task 3, we conducted a series of heat transfer fouling tests using a condenser heat exchanger in the laboratory cooling tower, from which we confirmed that the plasma water treatment technology could prevent or significantly mitigate mineral foulings in condenser tubes when compared with the no-treatment case. With the completion of the present work, a cooling water treatment technology using pulse spark discharges is currently ready for field-validation tests. The plasma water treatment technology is a true mechanical water softener with almost no maintenance, which continuously converts hard water to soft water spending a relatively small amount of energy. Such a mechanical water softener could find wide-spread applications to solve hard water problems both in industry and at home.

  11. Gasifier feed - Tailor-made from Illinois coals

    SciTech Connect (OSTI)

    Ehrlinger, H.P. III (Illinois State Geological Survey, Champaign, IL (United States)); Lytle, J.; Frost, R.R.; Lizzio, A.; Kohlenberger, L.; Brewer, K. (Illinois State Geological Survey, Champaign, IL (United States) DESTEC Energy (United States) Williams Technology, (United States) Illinois Coal Association (United States))

    1992-01-01T23:59:59.000Z

    The main purpose of this project is to produce a feedstock from preparation plant fines from an illinois coal that is ideal for a slurry fed, slagging, entrained-flow coal gasifier. The high sulfur content and high Btu value of Illinois coals are particularly advantageous in such a gasifier; preliminary calculations indicate that the increased cost of removing sulfur from the gas from a high sulfur coal is more than offset by the increased revenue from the sale of the elemental sulfur; additionally the high Btu Illinois coal concentrates more energy into the slurry of a given coal to water ratio. The Btu is higher not only because of the higher Btu value of the coal but also because Illinois coal requires less water to produce a pumpable slurry than western coal, i.e., as little as 30--35% water may be used for Illinois coal as compared to approximately 45% for most western coals.

  12. Coal Retirements: Defining the Need and the Efficiency Opportunity

    E-Print Network [OSTI]

    Chittum, A.; Farley, K.; Elliot, R. N.

    2012-01-01T23:59:59.000Z

    For decades, major areas of the United States have relied heavily on coal for electricity generation. Abundant and relatively cheap, coal has powered large swaths of the Southeast, Midwest, Mid-Atlantic and western United States. Aging equipment...

  13. Data base for the analysis of compositional characteristics of coal seams and macerals. Part 7. Petrographic variation due to depositional setting of the lower Kittanning seam, western Pennsylvania. Final report

    SciTech Connect (OSTI)

    Allshouse, S.D.; Davis, A.

    1984-01-01T23:59:59.000Z

    Detailed megascopic and microscopic petrographic analyses were conducted on samples of the Lower Kittanning seam from western Pennsylvania. Relationships were sought between the paleoenvironmental setting of the coal swamp and the vertical and lateral variability of lithotypes, maceral composition and vitrinite types. Megascopically, the four samples collected from the freshwater facies of the seam are similar in appearance and relative lithotype composition, and display no distinct vertical zonations. The sample from the marine-influenced central portion of the basin (PSOC-1340) possesses a marked vertical zonation into a bright lower zone and a dull upper zone. The lower zone is similar in appearance to the freswater samples. Detailed microscopic analyses revealed that the vertical zonation of PSOC-1340 is apparent in both the maceral and vitrinite type composition. No similar zonation is apparent in the microscopic analysis of the four freshwater facies samples. Similarities between the lower zone of PSOC-1340 and the whole seam of the freshwater samples are most apparent in the vitrinite-type analysis. The lower zone of PSOC-1340 and the whole seam from the freshwater facies are considered to be laterally equivalent coal types. The dull upper zone of PSOC-1340 is considered to have formed in response to a major change in the paleoenvironment of the swamp, probably a marine transgression. 49 references, 25 figures, 15 tables.

  14. Coal in China

    SciTech Connect (OSTI)

    Minchener, A.J. [IEA Clean Coal Centre, London (United Kingdom)

    2005-07-01T23:59:59.000Z

    The article gives an overview of the production and use of coal in China, for power generation and in other sectors. Coal use for power generation was 850 million tonnes in 2003 and 800 million tonnes in the non-power sector. The majority of power will continue to be produced from coal, with a trend towards new larger pulverised coal fired units and introduction of circulating fluidised bed combustors. Stricter regulations are forcing introduction of improved pollution control technologies. It seems likely that China will need international finance to supplement private and state investment to carry out a programme to develop and apply clean coal technologies. The author concludes that there is evidence of a market economy being established but there is a need to resolve inconsistencies with the planned aspects of the economy and that additional policies are needed in certain sectors to achieve sustainable development. 1 ref., 2 figs., 2 tabs.

  15. Energy Department's Fossil Energy Chief to Tour Western Michigan...

    Office of Environmental Management (EM)

    Department's Fossil Energy Chief to Tour Western Michigan University's Clean Coal Research Facilities, Host Business Roundtable Energy Department's Fossil Energy Chief to Tour...

  16. Great Lakes ports coal handling capacity and export coal potential

    SciTech Connect (OSTI)

    Ames, A.H. Jr.

    1981-02-01T23:59:59.000Z

    This study was developed to determine the competitive position of the Great Lakes Region coal-loading ports in relation to other US coastal ranges. Due to the congestion at some US Atlantic coastal ports US coal producers have indicated a need for alternative export routes, including the Great Lakes-St. Lawrence Seaway System. The study assesses the regions coal handling capacity and price competitiveness along with the opportunity for increased US flag vessel service. A number of appendices are included showing major coal producers, railroad marketing representatives, US vessel operators, and port handling capacities and throughput. A rate analysis is provided including coal price at the mine, rail rate to port, port handling charges, water transportation rates to western Europe, Great Lakes route versus the US Atlantic Coast ports.

  17. Coal pump

    DOE Patents [OSTI]

    Bonin, John H. (Sunnyvale, CA); Meyer, John W. (Palo Alto, CA); Daniel, Jr., Arnold D. (Alameda County, CA)

    1983-01-01T23:59:59.000Z

    A device for pressurizing pulverized coal and circulating a carrier gas is disclosed. This device has utility in a coal gasification process and eliminates the need for a separate collection hopper and eliminates the separate compressor.

  18. The directory of US coal and technology export resources

    SciTech Connect (OSTI)

    Not Available

    1990-10-01T23:59:59.000Z

    The purpose of The Directory remains focused on offering a consolidated resource to potential buyers of US coal, coal technology, and expertise. This is consistent with the US policy on coal and coal technology trade, which continues to emphasize export market strategy implementation. Within this context, DOE will continue to support the teaming'' approach to marketing; i.e., vertically integrated large project teams to include multiple industry sectors, such as coal producers, engineering and construction firms, equipment manufacturers, financing and service organizations.

  19. 2011 International Pittsburgh Coal Conference Pittsburgh, PA

    E-Print Network [OSTI]

    Mohaghegh, Shahab

    and simultaneous carbon dioxide sequestration in an unmineable coal seam in the Northern Appalachian Basin collaboration. Introduction This paper reports on continued activities at the CONSOL Energy carbon sequestration Sequestration in Unmineable Coal with Enhanced Coal Bed Methane Recovery: The Marshall County Project James E

  20. The Caterpillar Coal Gasification Facility

    E-Print Network [OSTI]

    Welsh, J.; Coffeen, W. G., III

    1983-01-01T23:59:59.000Z

    ' in 1981 and won the 'energy conservation award' for 1983. The decision to install and operate a coal gasification plant was based on severe natural gas curtailments at York with continuing supply interruptions. This paper will present a detailed...

  1. U.S. coal outlook in Asia

    SciTech Connect (OSTI)

    Johnson, C.J.

    1997-02-01T23:59:59.000Z

    Coal exports from the US to Asia are declining over time as a result of (1) increased competition from coal suppliers within the Asia-Pacific region, (2) changing steel making technologies, (3) decreased emphasis on security of coal supplies, and (4) deregulation of the energy industry--particularly electric utilities. There are no major changes on the horizon that are likely to alter the role of the US as a modest coal supplier to the Asia-Pacific region. The downward trend in US coal exports to Asia is expected to continue over the 1997--2010 period. But economic and policy changes underway in Asia are likely to result in periodic coal shortages, lasting a few months to a year, and short term increased export opportunities for US coal. US coal exports to Asia are projected to fluctuate within the following ranges over the 2000--2010 period: 10--17 million tons in total exports, 6--12 million tons in thermal coal exports, and 4--9 million tons in coking coal exports. The most important role for US coal, from the perspective of Asian coal importing countries, is to ensure a major alternative source of coal supplies that can be turned to in the event of unforeseen disruptions in coal supplies from the Asia-Pacific region or South Africa. However, the willingness of consumers to pay a premium to ensure US export capacity is declining, with increased emphasis on obtaining the lowest cost coal supplies.

  2. Gasifier feed - Tailor-made from Illinois coals. Technical report, December 1, 1991--February 29, 1992

    SciTech Connect (OSTI)

    Ehrlinger, H.P. III [Illinois State Geological Survey, Champaign, IL (United States); Lytle, J.; Frost, R.R.; Lizzio, A.; Kohlenberger, L.; Brewer, K. [Illinois State Geological Survey, Champaign, IL (United States)]|[DESTEC Energy (United States)]|[Williams Technology, (United States)]|[Illinois Coal Association (United States)

    1992-08-01T23:59:59.000Z

    The main purpose of this project is to produce a feedstock from preparation plant fines from an illinois coal that is ideal for a slurry fed, slagging, entrained-flow coal gasifier. The high sulfur content and high Btu value of Illinois coals are particularly advantageous in such a gasifier; preliminary calculations indicate that the increased cost of removing sulfur from the gas from a high sulfur coal is more than offset by the increased revenue from the sale of the elemental sulfur; additionally the high Btu Illinois coal concentrates more energy into the slurry of a given coal to water ratio. The Btu is higher not only because of the higher Btu value of the coal but also because Illinois coal requires less water to produce a pumpable slurry than western coal, i.e., as little as 30--35% water may be used for Illinois coal as compared to approximately 45% for most western coals.

  3. Western Europe's future gas supplies

    SciTech Connect (OSTI)

    Kardaun, G.

    1983-05-01T23:59:59.000Z

    Decline in indigenous natural gas production by 2000 will be compensated by imported natural gas and LNG and gas from unconventional sources. Coal gas will furnish about 10 percent of the demand, more natural gas imports will come from North Africa and the USSR and additional LNG will come from West Africa, the Middle East and the Western Hemisphere.

  4. NETL: Coal

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    Major Demonstrations Major Demonstrations Since 1985, we have helped fund commercial-scale clean coal technology demonstration projects. ICCS | CCPI | PPII | CCTDP | FutureGen...

  5. Review of China's Low-Carbon City Initiative and Developments in the Coal Industry

    E-Print Network [OSTI]

    Fridley, David

    2014-01-01T23:59:59.000Z

    the slowing growth in coking coal production after 2005,the relative share of coking coal has continued to declinein domestic production of coking coal can be linked to the

  6. PNNL Coal Gasification Research

    SciTech Connect (OSTI)

    Reid, Douglas J.; Cabe, James E.; Bearden, Mark D.

    2010-07-28T23:59:59.000Z

    This report explains the goals of PNNL in relation to coal gasification research. The long-term intent of this effort is to produce a syngas product for use by internal Pacific Northwest National Laboratory (PNNL) researchers in materials, catalysts, and instrumentation development. Future work on the project will focus on improving the reliability and performance of the gasifier, with a goal of continuous operation for 4 hours using coal feedstock. In addition, system modifications to increase operational flexibility and reliability or accommodate other fuel sources that can be used for syngas production could be useful.

  7. High-sulfur coals in the eastern Kentucky coal field

    SciTech Connect (OSTI)

    Hower, J.C.; Graham, U.M. (Univ. of Kentucky Center for Applied Energy Research, Lexington, KY (United States)); Eble, C.F. (Kentucky Geological Survey, Lexington, KY (United States))

    1993-08-01T23:59:59.000Z

    The Eastern Kentucky coal field is notable for relatively low-sulfur, [open quotes]compliance[close quotes] coals. Virtually all of the major coals in this area do have regions in which higher sulfur lithotypes are common, if not dominant, within the lithologic profile. Three Middle Pennsylvanian coals, each representing a major resource, exemplify this. The Clintwood coal bed is the stratigraphically lowest coal bed mined throughout the coal field. In Whitley County, the sulfur content increase from 0.6% at the base to nearly 12% in the top lithotype. Pyrite in the high-sulfur lithotype is a complex mixture of sub- to few-micron syngenetic forms and massive epigenetic growths. The stratigraphically higher Pond Creek coal bed is extensively mined in portions of the coal field. Although generally low in sulfur, in northern Pike and southern Martin counties the top one-third can have up to 6% sulfur. Uniformly low-sulfur profiles can occur within a few hundred meters of high-sulfur coal. Pyrite occurs as 10-50 [mu]m euhedra and coarser massive forms. In this case, sulfur distribution may have been controlled by sandstone channels in the overlying sediments. High-sulfur zones in the lower bench of the Fire Clay coal bed, the stratigraphically highest coal bed considered here, are more problematical. The lower bench, which is of highly variable thickness and quality, generally is overlain by a kaolinitic flint clay, the consequence of a volcanic ash fall into the peat swamp. In southern Perry and Letcher counties, a black, illite-chlorite clay directly overlies the lower bench. General lack of lateral continuity of lithotypes in the lower bench suggests that the precursor swamp consisted of discontinuous peat-forming environments that were spatially variable and regularly inundated by sediments. Some of the peat-forming areas may have been marshlike in character.

  8. Coal taking it on the chin

    SciTech Connect (OSTI)

    Price, J.

    1982-09-01T23:59:59.000Z

    A personal view of the short-term energy market with the emphasis firmly on coal. The demand for coal is considered likely to fall as consumption falls and stockpiles continue to grow. The low price of coal, and increasing transport costs are likely to reduce the number of coal operations. The relative abundance of alternative energy sources is considered unlikely to encourage the growth of industrial coal markets, nuclear power is far too costly as a competitor, however. The current tidewater port facilities are believed to be adequate, and the shelving of many existing plans is thought likely.

  9. EIS-0146: Programmatic for Clean Coal Technology Demonstration Program

    Broader source: Energy.gov [DOE]

    This programmatic environmental impact statement assesses the environmental impacts of continuing the Clean Coal Technology Demonstration Program involving the selection, for cost-shared federal funding, of one or more clean coal projects proposed by the private sector.

  10. Petrographic characterization of Kentucky coals. Quarterly progress report, March 1982-May 1982

    SciTech Connect (OSTI)

    Hower, J.C.; Ferm, J.C.; Cobb, J.C.; Trinkle, E.J.; Frankie, K.A.; Poe, S.H.; Baynard, D.N.; Graese, A.M.; Raione, R.P.

    1982-01-01T23:59:59.000Z

    The project Petrographic characterization of Kentucky coals consists of three specific areas of coal petrology: spectral fluorescence of liptinite macerals, properties of semi-inert macerals, and size/form/microlithotype association of pyrite/marcasite. Additional research on the Mannington and Dunbar coals in western Kentucky and the Alma coal zone in eastern Kentucky will apply techniques developed in the first three areas. Suites of coals from other states will also be studied to expand the variability in the sample set.

  11. Petrographic characterization of Kentucky coals. Quarterly progress report, June 1982-August 1982

    SciTech Connect (OSTI)

    Hower, J.C.; Ferm, J.C.; Cobb, J.C.; Trinkle, E.J.; Frankie, K.A.; Poe, S.H.; Baynard, D.N.; Graese, A.M.; Raione, R.P.

    1982-01-01T23:59:59.000Z

    The project Petrographic Characterization of Kentucky Coals consists of three specific areas of coal petrology: spectral fluorescence of liptinite macerals, properties of semi-inert macerals, and size/form/microlithotype association of pyrite/marcasite. Additional research on the Mannington and Dunbar coals in western Kentucky and the Alma coal zone in eastern Kentucky will apply techniques developed in the first three areas. Suites of coals from other states will also be studied to expand the variability in the sample set.

  12. Environmental data energy technology characterizations: coal

    SciTech Connect (OSTI)

    Not Available

    1980-04-01T23:59:59.000Z

    This document describes the activities leading to the conversion of coal to electricity. Specifically, the activities consist of coal mining and beneficiation, coal transport, electric power generation, and power transmission. To enhance the usefulness of the material presented, resource requirements, energy products, and residuals for each activity area are normalized in terms of 10/sup 12/ Btus of energy produced. Thus, the total effect of producing electricity from coal can be determined by combining the residuals associated with the appropriate activity areas. Emissions from the coal cycle are highly dependent upon the type of coal consumed as well as the control technology assigned to the activity area. Each area is assumed to be equipped with currently available control technologies that meet environmental regulations. The conventional boiler, for example, has an electrostatic precipitator and a flue gas desulfurization scrubber. While this results in the removal of most of the particulate matter and sulfur dioxide in the flue gas stream, it creates other new environmental residuals -- solid waste, sludge, and ash. There are many different types of mined coal. For informational purposes, two types from two major producing regions, the East and the West, are characterized here. The eastern coal is typical of the Northern Appalachian coal district with a high sulfur and heat content. The western coal, from the Powder River Basin, has much less sulfur, but also has a substantially lower heating value.

  13. Coal industry annual 1994

    SciTech Connect (OSTI)

    NONE

    1995-10-01T23:59:59.000Z

    This report presents data on coal consumption, distribution, coal stocks, quality, prices, coal production information, and emissions for a wide audience.

  14. Process for blending coal with water immiscible liquid

    DOE Patents [OSTI]

    Heavin, Leonard J. (Olympia, WA); King, Edward E. (Gig Harbor, WA); Milliron, Dennis L. (Lacey, WA)

    1982-10-26T23:59:59.000Z

    A continuous process for blending coal with a water immiscible liquid produces a uniform, pumpable slurry. Pulverized raw feed coal and preferably a coal derived, water immiscible liquid are continuously fed to a blending zone (12 and 18) in which coal particles and liquid are intimately admixed and advanced in substantially plug flow to form a first slurry. The first slurry is withdrawn from the blending zone (12 and 18) and fed to a mixing zone (24) where it is mixed with a hot slurry to form the pumpable slurry. A portion of the pumpable slurry is continuously recycled to the blending zone (12 and 18) for mixing with the feed coal.

  15. Outlook and Challenges for Chinese Coal

    SciTech Connect (OSTI)

    Aden, Nathaniel T.; Fridley, David G.; Zheng, Nina

    2008-06-20T23:59:59.000Z

    China has been, is, and will continue to be a coal-powered economy. The rapid growth of coal demand since 2001 has created deepening strains and bottlenecks that raise questions about supply security. Although China's coal is 'plentiful,' published academic and policy analyses indicate that peak production will likely occur between 2016 and 2029. Given the current economic growth trajectory, domestic production constraints will lead to a coal gap that is not likely to be filled with imports. Urbanization, heavy industry growth, and increasing per-capita consumption are the primary drivers of rising coal usage. In 2006, the power sector, iron and steel, and cement accounted for 71% of coal consumption. Power generation is becoming more efficient, but even extensive roll-out of the highest efficiency units could save only 14% of projected 2025 coal demand. If China follows Japan, steel production would peak by 2015; cement is likely to follow a similar trajectory. A fourth wedge of future coal consumption is likely to come from the burgeoning coal-liquefaction and chemicals industries. New demand from coal-to-liquids and coal-to-chemicals may add 450 million tonnes of coal demand by 2025. Efficient growth among these drivers indicates that China's annual coal demand will reach 4.2 to 4.7 billion tonnes by 2025. Central government support for nuclear and renewable energy has not been able to reduce China's growing dependence on coal for primary energy. Few substitution options exist: offsetting one year of recent coal demand growth would require over 107 billion cubic meters of natural gas, 48 GW of nuclear, or 86 GW of hydropower capacity. While these alternatives will continue to grow, the scale of development using existing technologies will be insufficient to substitute significant coal demand before 2025. The central role of heavy industry in GDP growth and the difficulty of substituting other fuels suggest that coal consumption is inextricably entwined with China's economy in its current mode of growth. Ongoing dependence on coal reduces China's ability to mitigate carbon dioxide emissions growth. If coal demand remains on its current growth path, carbon dioxide emissions from coal combustion alone would exceed total US energy-related carbon emissions by 2010. Broadening awareness of the environmental costs of coal mining, transport, and combustion is raising the pressure on Chinese policy makers to find alternative energy sources. Within China's coal-dominated energy system, domestic transportation has emerged as the largest bottleneck for coal industry growth and is likely to remain a constraint to further expansion. China is short of high-quality reserves, but is producing its best coal first. Declining quality will further strain production and transport. Transporting coal to users has overloaded the train system and dramatically increased truck use, raising transport oil demand. Growing international imports have helped to offset domestic transport bottlenecks. In the long term, import demand is likely to exceed 200 mt by 2025, significantly impacting regional markets. The looming coal gap threatens to derail China's growth path, possibly undermining political, economic, and social stability. High coal prices and domestic shortages will have regional and global effects. Regarding China's role as a global manufacturing center, a domestic coal gap will increase prices and constrain growth. Within the Asia-Pacific region, China's coal gap is likely to bring about increased competition with other coal-importing countries including Japan, South Korea, Taiwan, and India. As with petroleum, China may respond with a government-supported 'going-out' strategy of resource acquisition and vertical integration. Given its population and growing resource constraints, China may favor energy security, competitiveness, and local environmental protection over global climate change mitigation. The possibility of a large coal gap suggests that Chinese and international policy makers should maximize institutional and financial support

  16. Impacts of new coal-using technologies on coal markets and electric utilities

    SciTech Connect (OSTI)

    Stauffer, C.H.

    1982-06-01T23:59:59.000Z

    ICF's Coal and Electric Utilities Model (CEUM) was used to make forecasts on the impact of new coal technologies and markets and utilities. The new technologies include the gasifier/ combined cycle (GCC), the atmospheric fluidized bed combustor (AFBC), and the retrofit of synthetic coal-fluids on advanced combined cycle capacity. National production by the year 2000 will increase slightly. Impact of technology will be negligible due to the offsetting effects of GCC (it uses less coal) and synthetic coal fluids. Regional production will increase in synthetic coal fluid regions, decrease in sulphur coal regions. In utilities, coal additions by GCC are favored in the east, by AFBC in the west. SO/sub 2/ emissions will start to decline in 1995, NOx emissions will continue to rise, but not as sharply. Overall costs of utilities are expected to fall slightly by the year 2010.

  17. China's Coal: Demand, Constraints, and Externalities

    SciTech Connect (OSTI)

    Aden, Nathaniel; Fridley, David; Zheng, Nina

    2009-07-01T23:59:59.000Z

    This study analyzes China's coal industry by focusing on four related areas. First, data are reviewed to identify the major drivers of historical and future coal demand. Second, resource constraints and transport bottlenecks are analyzed to evaluate demand and growth scenarios. The third area assesses the physical requirements of substituting coal demand growth with other primary energy forms. Finally, the study examines the carbon- and environmental implications of China's past and future coal consumption. There are three sections that address these areas by identifying particular characteristics of China's coal industry, quantifying factors driving demand, and analyzing supply scenarios: (1) reviews the range of Chinese and international estimates of remaining coal reserves and resources as well as key characteristics of China's coal industry including historical production, resource requirements, and prices; (2) quantifies the largest drivers of coal usage to produce a bottom-up reference projection of 2025 coal demand; and (3) analyzes coal supply constraints, substitution options, and environmental externalities. Finally, the last section presents conclusions on the role of coal in China's ongoing energy and economic development. China has been, is, and will continue to be a coal-powered economy. In 2007 Chinese coal production contained more energy than total Middle Eastern oil production. The rapid growth of coal demand after 2001 created supply strains and bottlenecks that raise questions about sustainability. Urbanization, heavy industrial growth, and increasing per-capita income are the primary interrelated drivers of rising coal usage. In 2007, the power sector, iron and steel, and cement production accounted for 66% of coal consumption. Power generation is becoming more efficient, but even extensive roll-out of the highest efficiency units would save only 14% of projected 2025 coal demand for the power sector. A new wedge of future coal consumption is likely to come from the burgeoning coal-liquefaction and chemicals industries. If coal to chemicals capacity reaches 70 million tonnes and coal-to-liquids capacity reaches 60 million tonnes, coal feedstock requirements would add an additional 450 million tonnes by 2025. Even with more efficient growth among these drivers, China's annual coal demand is expected to reach 3.9 to 4.3 billion tonnes by 2025. Central government support for nuclear and renewable energy has not reversed China's growing dependence on coal for primary energy. Substitution is a matter of scale: offsetting one year of recent coal demand growth of 200 million tonnes would require 107 billion cubic meters of natural gas (compared to 2007 growth of 13 BCM), 48 GW of nuclear (compared to 2007 growth of 2 GW), or 86 GW of hydropower capacity (compared to 2007 growth of 16 GW). Ongoing dependence on coal reduces China's ability to mitigate carbon dioxide emissions growth. If coal demand remains on a high growth path, carbon dioxide emissions from coal combustion alone would exceed total US energy-related carbon emissions by 2010. Within China's coal-dominated energy system, domestic transportation has emerged as the largest bottleneck for coal industry growth and is likely to remain a constraint to further expansion. China has a low proportion of high-quality reserves, but is producing its best coal first. Declining quality will further strain production and transport capacity. Furthermore, transporting coal to users has overloaded the train system and dramatically increased truck use, raising transportation oil demand. Growing international imports have helped to offset domestic transport bottlenecks. In the long term, import demand is likely to exceed 200 million tonnes by 2025, significantly impacting regional markets.

  18. Coal Bed Methane Primer

    SciTech Connect (OSTI)

    Dan Arthur; Bruce Langhus; Jon Seekins

    2005-05-25T23:59:59.000Z

    During the second half of the 1990's Coal Bed Methane (CBM) production increased dramatically nationwide to represent a significant new source of income and natural gas for many independent and established producers. Matching these soaring production rates during this period was a heightened public awareness of environmental concerns. These concerns left unexplained and under-addressed have created a significant growth in public involvement generating literally thousands of unfocused project comments for various regional NEPA efforts resulting in the delayed development of public and fee lands. The accelerating interest in CBM development coupled to the growth in public involvement has prompted the conceptualization of this project for the development of a CBM Primer. The Primer is designed to serve as a summary document, which introduces and encapsulates information pertinent to the development of Coal Bed Methane (CBM), including focused discussions of coal deposits, methane as a natural formed gas, split mineral estates, development techniques, operational issues, producing methods, applicable regulatory frameworks, land and resource management, mitigation measures, preparation of project plans, data availability, Indian Trust issues and relevant environmental technologies. An important aspect of gaining access to federal, state, tribal, or fee lands involves education of a broad array of stakeholders, including land and mineral owners, regulators, conservationists, tribal governments, special interest groups, and numerous others that could be impacted by the development of coal bed methane. Perhaps the most crucial aspect of successfully developing CBM resources is stakeholder education. Currently, an inconsistent picture of CBM exists. There is a significant lack of understanding on the parts of nearly all stakeholders, including industry, government, special interest groups, and land owners. It is envisioned the Primer would being used by a variety of stakeholders to present a consistent and complete synopsis of the key issues involved with CBM. In light of the numerous CBM NEPA documents under development this Primer could be used to support various public scoping meetings and required public hearings throughout the Western States in the coming years.

  19. FACT SHEET: Clean Coal University Research Awards and Project...

    Broader source: Energy.gov (indexed) [DOE]

    for research projects that will continue to support innovation and development of clean coal technologies. This fact sheet includes detailed project descriptions for each...

  20. Petrographic characterization of Kentucky coals. Quarterly progress report, March-May 1983

    SciTech Connect (OSTI)

    Hower, J.C.; Ferm, J.C.; Cobb, J.C.; Trinkle, E.J.; Frankie, K.A.; Poe, S.H.; Baynard, D.N.; Graese, A.M.; Raione, R.P.

    1983-01-01T23:59:59.000Z

    This project consists of three specific areas of coal petrology: spectral fluorescence of liptinite macerals; properties of semi-inert macerals; and size/form/microlithotype association of pyrite/marcasite. Techniques developed in the first three areas were used in additional research on Mannington and Dunbar coals in western Kentucky and the Alma coal zone in eastern Kentucky. Some of the findings are: percent variations (pseudovitrinite-vitrinite/vitrinite X100) indicate greater dispersions in Vicker's microhardness values, MH(v), of vitrinite and pseudovitrinite from eastern Kentucky coals than those of western Kentucky coals; reflectance data confirm a previously suspected rank increase from eastern Knott and Magoffin Counties to eastern Pike County; microhardness investigation of Upper Elkhorn 2 coal in eastern Kentucky indicates that pseudovitrinite is consistently harder than vitrinite; and of the western coals studied, Dunbar and Lead Creek, there appears to be some correlations between vitrinite, ash, sulfur, and thickness. 6 tables.

  1. DESULFURIZATION OF COAL MODEL COMPOUNDS AND COAL LIQUIDS

    E-Print Network [OSTI]

    Wrathall, James Anthony

    2011-01-01T23:59:59.000Z

    Pollutants Associated With Coal Combustion. • E.P.A.Control Guidelines for Coal-Derived Pollutants .Forms of Sulfur in Coal • . . . . Coal Desulfurization

  2. Apparatus for fixed bed coal gasification

    DOE Patents [OSTI]

    Sadowski, Richard S. (Greenville, SC)

    1992-01-01T23:59:59.000Z

    An apparatus for fixed-bed coal gasification is described in which coal such as caking coal is continuously pyrolyzed with clump formation inhibited, by combining the coal with a combustible gas and an oxidant, and then continually feeding the pyrolyzed coal under pressure and elevated temperature into the gasification region of a pressure vessel. The materials in the pressure vessel are allowed to react with the gasifying agents in order to allow the carbon contents of the pyrolyzed coal to be completely oxidized. The combustion of gas produced from the combination of coal pyrolysis and gasification involves combining a combustible gas coal and an oxidant in a pyrolysis chamber and heating the components to a temperature of at least 1600.degree. F. The products of coal pyrolysis are dispersed from the pyrolyzer directly into the high temperature gasification region of a pressure vessel. Steam and air needed for gasification are introduced in the pressure vessel and the materials exiting the pyrolyzer flow down through the pressure vessel by gravity with sufficient residence time to allow any carbon to form carbon monoxide. Gas produced from these reactions are then released from the pressure vessel and ash is disposed of.

  3. Inland out: Midwestern river coal transloaders deal with increased pressures

    SciTech Connect (OSTI)

    Buchsbaum, L.

    2007-06-15T23:59:59.000Z

    As greater amounts of US western coal is burned by many eastern and south-eastern power plants located along the Ohio River and its tributaries, Midwestern coal transload facilities are playing an ever growing role in the nation's coal transportation system by moving traffic off clogged rail lines onto barges on inland rivers. The article describes operations by three mid-western ports - American Electric Power's (AEP) Cook Terminal in Metropolis, IL; Kinder-Morgan's Cora Terminal in Cora, IL; and Kinder-Morgan's Grand Rivers Terminal near Paducah, KY. Together these terminals transferred more than 30 m tons onto barges in 2006. 5 figs.

  4. Underground coal gasification: environmental update

    SciTech Connect (OSTI)

    Dockter, L.; Mcternan, E.M.

    1985-01-01T23:59:59.000Z

    To evaluate the potential for ground water contamination by underground coal gasification, extensive postburn groundwater monitoring programs are being continued at two test sites in Wyoming. An overview of the environmental concerns related to UCG and some results to date on the two field sites are presented in this report.

  5. Underground Coal Thermal Treatment

    SciTech Connect (OSTI)

    P. Smith; M. Deo; E. Eddings; A. Sarofim; K. Gueishen; M. Hradisky; K. Kelly; P. Mandalaparty; H. Zhang

    2011-10-30T23:59:59.000Z

    The long-term objective of this work is to develop a transformational energy production technology by insitu thermal treatment of a coal seam for the production of substitute natural gas (SNG) while leaving much of the coalâ??s carbon in the ground. This process converts coal to a high-efficiency, low-GHG emitting gas fuel. It holds the potential of providing environmentally acceptable access to previously unusable coal resources. This topical report discusses the development of experimental capabilities, the collection of available data, and the development of simulation tools to obtain process thermo-chemical and geo-thermal parameters in preparation for the eventual demonstration in a coal seam. It also includes experimental and modeling studies of CO{sub 2} sequestration. Efforts focused on: â?¢ Constructing a suite of three different coal pyrolysis reactors. These reactors offer the ability to gather heat transfer, mass transfer and kinetic data during coal pyrolysis under conditions that mimic in situ conditions (Subtask 6.1). â?¢ Studying the operational parameters for various underground thermal treatment processes for oil shale and coal and completing a design matrix analysis for the underground coal thermal treatment (UCTT). This analysis yielded recommendations for terms of targeted coal rank, well orientation, rubblization, presence of oxygen, temperature, pressure, and heating sources (Subtask 6.2). â?¢ Developing capabilities for simulating UCTT, including modifying the geometry as well as the solution algorithm to achieve long simulation times in a rubblized coal bed by resolving the convective channels occurring in the representative domain (Subtask 6.3). â?¢ Studying the reactive behavior of carbon dioxide (CO{sub 2}) with limestone, sandstone, arkose (a more complex sandstone) and peridotite, including mineralogical changes and brine chemistry for the different initial rock compositions (Subtask 6.4). Arkose exhibited the highest tendency of participating in mineral reactions, which can be attributed to the geochemical complexity of its initial mineral assemblage. In experiments with limestone, continuous dissolution was observed with the release of CO{sub 2} gas, indicated by the increasing pressure in the reactor (formation of a gas chamber). This occurred due to the lack of any source of alkali to buffer the solution. Arkose has the geochemical complexity for permanent sequestration of CO{sub 2} as carbonates and is also relatively abundant. The effect of including NH{sub 3} in the injected gas stream was also investigated in this study. Precipitation of calcite and trace amounts of ammonium zeolites was observed. A batch geochemical model was developed using Geochemists Workbench (GWB). Degassing effect in the experiments was corrected using the sliding fugacity model in GWB. Experimental and simulation results were compared and a reasonable agreement between the two was observed.

  6. Coal industry annual 1997

    SciTech Connect (OSTI)

    NONE

    1998-12-01T23:59:59.000Z

    Coal Industry Annual 1997 provides comprehensive information about US coal production, number of mines, prices, productivity, employment, productive capacity, and recoverable reserves. US Coal production for 1997 and previous years is based on the annual survey EIA-7A, Coal Production Report. This report presents data on coal consumption, coal distribution, coal stocks, coal prices, and coal quality for Congress, Federal and State agencies, the coal industry, and the general public. Appendix A contains a compilation of coal statistics for the major coal-producing States. This report includes a national total coal consumption for nonutility power producers that are not in the manufacturing, agriculture, mining, construction, or commercial sectors. 14 figs., 145 tabs.

  7. Coal Industry Annual 1995

    SciTech Connect (OSTI)

    NONE

    1996-10-01T23:59:59.000Z

    This report presents data on coal consumption, coal distribution, coal stocks, coal prices, coal quality, and emissions for Congress, Federal and State agencies, the coal industry, and the general public. Appendix A contains a compilation of coal statistics for the major coal-producing States. This report does not include coal consumption data for nonutility power producers that are not in the manufacturing, agriculture, mining, construction, or commercial sectors. Consumption for nonutility power producers not included in this report is estimated to be 21 million short tons for 1995.

  8. Coal industry annual 1996

    SciTech Connect (OSTI)

    NONE

    1997-11-01T23:59:59.000Z

    This report presents data on coal consumption, coal distribution, coal stocks, coal prices, and coal quality, and emissions for Congress, Federal and State agencies, the coal industry, and the general public. Appendix A contains a compilation of coal statistics for the major coal-producing States.This report does not include coal consumption data for nonutility power producers that are not in the manufacturing, agriculture, mining, construction, or commercial sectors. Consumption for nonutility power producers not included in this report is estimated to be 24 million short tons for 1996. 14 figs., 145 tabs.

  9. Microbial solubilization of coal

    DOE Patents [OSTI]

    Strandberg, G.W.; Lewis, S.N.

    1988-01-21T23:59:59.000Z

    The present invention relates to a cell-free preparation and process for the microbial solubilization of coal into solubilized coal products. More specifically, the present invention relates to bacterial solubilization of coal into solubilized coal products and a cell-free bacterial byproduct useful for solubilizing coal. 5 tabs.

  10. Clean coal

    SciTech Connect (OSTI)

    Liang-Shih Fan; Fanxing Li [Ohio State University, OH (United States). Dept. of Chemical and Biomolecular Engineering

    2006-07-15T23:59:59.000Z

    The article describes the physics-based techniques that are helping in clean coal conversion processes. The major challenge is to find a cost- effective way to remove carbon dioxide from the flue gas of power plants. One industrially proven method is to dissolve CO{sub 2} in the solvent monoethanolamine (MEA) at a temperature of 38{sup o}C and then release it from the solvent in another unit when heated to 150{sup o}C. This produces CO{sub 2} ready for sequestration. Research is in progress with alternative solvents that require less energy. Another technique is to use enriched oxygen in place of air in the combustion process which produces CO{sub 2} ready for sequestration. A process that is more attractive from an energy management viewpoint is to gasify coal so that it is partially oxidized, producing a fuel while consuming significantly less oxygen. Several IGCC schemes are in operation which produce syngas for use as a feedstock, in addition to electricity and hydrogen. These schemes are costly as they require an air separation unit. Novel approaches to coal gasification based on 'membrane separation' or chemical looping could reduce the costs significantly while effectively capturing carbon dioxide. 1 ref., 2 figs., 1 photo.

  11. DESULFURIZATION OF COAL MODEL COMPOUNDS AND COAL LIQUIDS

    E-Print Network [OSTI]

    Wrathall, James Anthony

    2011-01-01T23:59:59.000Z

    flow sheet of a K-T coal gasification complex for producingslag or bottom ash, coal gasification, or coal liquefactionCoal (Ref. 46). COAL PREPARATION GASIFICATION 3 K·T GASI FI

  12. Coal liquefaction and hydrogenation

    DOE Patents [OSTI]

    Schindler, Harvey D. (Fair Lawn, NJ); Chen, James M. (Edison, NJ)

    1985-01-01T23:59:59.000Z

    Disclosed is a coal liquefaction process using two stages. The first stage liquefies the coal and maximizes the product while the second stage hydrocracks the remainder of the coal liquid to produce solvent.

  13. Coal industry annual 1993

    SciTech Connect (OSTI)

    Not Available

    1994-12-06T23:59:59.000Z

    Coal Industry Annual 1993 replaces the publication Coal Production (DOE/FIA-0125). This report presents additional tables and expanded versions of tables previously presented in Coal Production, including production, number of mines, Productivity, employment, productive capacity, and recoverable reserves. This report also presents data on coal consumption, coal distribution, coal stocks, coal prices, coal quality, and emissions for a wide audience including the Congress, Federal and State agencies, the coal industry, and the general public. In addition, Appendix A contains a compilation of coal statistics for the major coal-producing States. This report does not include coal consumption data for nonutility Power Producers who are not in the manufacturing, agriculture, mining, construction, or commercial sectors. This consumption is estimated to be 5 million short tons in 1993.

  14. Coal combustion science

    SciTech Connect (OSTI)

    Hardesty, D.R. (ed.); Baxter, L.L.; Fletcher, T.H.; Mitchell, R.E.

    1990-11-01T23:59:59.000Z

    The objective of this activity is to support the Office of Fossil Energy in executing research on coal combustion science. This activity consists of basic research on coal combustion that supports both the Pittsburgh Energy Technology Center (PETC) Direct Utilization Advanced Research and Technology Development Program, and the International Energy Agency (IEA) Coal Combustion Science Project. Specific tasks include: coal devolatilization, coal char combustion, and fate of mineral matter during coal combustion. 91 refs., 40 figs., 9 tabs.

  15. Coal Mining (Iowa)

    Broader source: Energy.gov [DOE]

    These sections describe procedures for coal exploration and extraction, as well as permitting requirements relating to surface and underground coal mining. These sections also address land...

  16. NETL: Coal

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645 3,625 1,006 492 742EnergyOnItemResearch > The EnergyCenterDioxide CaptureSee the Foundry'sMcGuireNETLCareersCoal

  17. Healy clean coal project

    SciTech Connect (OSTI)

    Not Available

    1992-08-01T23:59:59.000Z

    The objective of the Healy Clean Coal Project is to demonstrate the integration of an advanced combustor and a heat recovery system with both high and low temperature emission control processes. Resulting emission levels of SO[sub 2], NO[sub x], and particulates are expected to be significantly better than the federal New source Performance standards. During this past quarter, engineering and design continued on the boiler, combustion flue gas desulfurization (FGD), and turbine/generator systems. Balance of plant equipment procurement specifications continue to be prepared. Construction activities commenced as the access road construction got under way. Temporary ash pond construction and drilling of the supply well will be completed during the next quarter.

  18. 4th Annual Clean Coal

    E-Print Network [OSTI]

    Ferriter John P

    Proceedings he emphasis of the Fourth Clean Coal Technology Conference wm the marketability of clean coal projects both domestically and abroad. The success rate of clean coal projects in the U.S. for coalfired electricity generation is a beacon to foreign governments that are working toward effectively using advanced NO, and SO2 technology to substantially reduce flue-gas emissions for a cleaner environment. There is a continuing dialogue between U.S. Government, North American private industry, and the electricity producing governmental ministries and the private sector abroad. The international community was well represented at this conference. The Administration is determined to move promising, near-term technologies from the public to the private sector a ~ well a8 into the international marketplace.

  19. Analysis of coal and coal bed methane resources of Warrior basin, Alabama

    SciTech Connect (OSTI)

    Wicks, D.E.; McFall, K.S.; Malone, P.

    1987-09-01T23:59:59.000Z

    The Warrior basin in Alabama is the most active area in the US producing natural gas from coal beds. As of 1986, 300 coal-bed methane wells were producing from eight degasification fields, mainly from the Pennsylvanian coal seams along the eastern margin of the basin. Despite difficult market conditions, drilling and expansion are continuing. A detailed geologic analysis of Warrior basin coal-bed methane targets the areas of the basin that show the most promise for future gas production. The geologic analysis is based on extensive well and core data and basin-wide correlations of the Pennsylvanian coal groups. Four detailed cross sections were constructed, correlating the target coal groups in the basin, namely the Cobb, Pratt, Mary Lee, and Black Creek. They estimate that the Warrior basin contains nearly 20 tcf of in-place coal-bed methane, mainly in three of the target coal groups - the Pratt, Mary Lee, and Black Creek coals, with 4, 7, and 8 tcf, respectively. The east-central area of the basin contains the greatest volume of natural gas resource due to its concentration of thicker, higher ranked coals with high gas content. The geologic analysis also provided the underlying framework for the subsequent engineering analysis of economically recoverable gas reserves. For example, analysis of structure and tectonics showed the east-central area to be promising for gas recovery due to its proximity to the Appalachian structural front and consequent structural deformation and permeability enhancement.

  20. Fluidized-bed bioreactor process for the microbial solubiliztion of coal

    DOE Patents [OSTI]

    Scott, Charles D. (Oak Ridge, TN); Strandberg, Gerald W. (Farragut, TN)

    1989-01-01T23:59:59.000Z

    A fluidized-bed bioreactor system for the conversion of coal into microbially solubilized coal products. The fluidized-bed bioreactor continuously or periodically receives coal and bio-reactants and provides for the production of microbially solubilized coal products in an economical and efficient manner. An oxidation pretreatment process for rendering coal uniformly and more readily susceptible to microbial solubilization may be employed with the fluidized-bed bioreactor.

  1. Fluidized-bed bioreactor system for the microbial solubilization of coal

    DOE Patents [OSTI]

    Scott, C.D.; Strandberg, G.W.

    1987-09-14T23:59:59.000Z

    A fluidized-bed bioreactor system for the conversion of coal into microbially solubilized coal products. The fluidized-bed bioreactor continuously or periodically receives coal and bio-reactants and provides for the production of microbially solubilized coal products in an economical and efficient manner. An oxidation pretreatment process for rendering coal uniformly and more readily susceptible to microbial solubilization may be employed with the fluidized-bed bioreactor. 2 figs.

  2. Fixed-bed bioreactor system for the microbial solubilization of coal

    DOE Patents [OSTI]

    Scott, C.D.; Strandberg, G.W.

    1987-09-14T23:59:59.000Z

    A fixed-bed bioreactor system for the conversion of coal into microbially solubilized coal products. The fixed-bed bioreactor continuously or periodically receives coal and bio-reactants and provides for the large scale production of microbially solubilized coal products in an economical and efficient manner. An oxidation pretreatment process for rendering coal uniformly and more readily susceptible to microbial solubilization may be employed with the fixed-bed bioreactor. 1 fig., 1 tab.

  3. Compositional characteristics of the Fire Clay coal bed in a portion of eastern Kentucky

    SciTech Connect (OSTI)

    Hower, J.C.; Andrews, W.M. Jr.; Rimmer, S.M. (Univ. of Kentucky, Lexington (United States)); Eble, C.F. (Kentucky Geological Survey, Lexington (United States))

    1991-08-01T23:59:59.000Z

    The Fire Clay (Hazard No. 4) coal bed (Middle Pennsylvanian Breathitt Formation) is one of the most extensively mined coal in eastern Kentucky. The coal is used for metallurgical and steam end uses and, with its low sulfur content, should continue to be a prime steam coal. This study focuses on the petrology, mineralogy, ash geochemistry, and palynology of the coal in an eight 7.5-min quadrangle area of Leslie, Perry, Knott, and Letcher counties.

  4. Influence of penecontemporaneous tectonism on development of Breathitt Formation coals, eastern Kentucky

    SciTech Connect (OSTI)

    Hower, J.C.; Trinkle, E.J.; Pollock, J.D.

    1988-08-01T23:59:59.000Z

    The Middle Pennsylvanian Breathitt Formation coals beds in the central portion of the Eastern Kentucky coal field exhibit changes in lithology, petrology, and chemistry that can be attributed to temporal continuity in the depositional systems. The study interval within northern Perry and Knott Counties includes coals from the Taylor coal bed at the base of the Magoffin marine member upward through the Hazard No. 8 (Francis) coal bed.

  5. Coal systems analysis

    SciTech Connect (OSTI)

    Warwick, P.D. (ed.)

    2005-07-01T23:59:59.000Z

    This collection of papers provides an introduction to the concept of coal systems analysis and contains examples of how coal systems analysis can be used to understand, characterize, and evaluate coal and coal gas resources. Chapter are: Coal systems analysis: A new approach to the understanding of coal formation, coal quality and environmental considerations, and coal as a source rock for hydrocarbons by Peter D. Warwick. Appalachian coal assessment: Defining the coal systems of the Appalachian Basin by Robert C. Milici. Subtle structural influences on coal thickness and distribution: Examples from the Lower Broas-Stockton coal (Middle Pennsylvanian), Eastern Kentucky Coal Field, USA by Stephen F. Greb, Cortland F. Eble, and J.C. Hower. Palynology in coal systems analysis The key to floras, climate, and stratigraphy of coal-forming environments by Douglas J. Nichols. A comparison of late Paleocene and late Eocene lignite depositional systems using palynology, upper Wilcox and upper Jackson Groups, east-central Texas by Jennifer M.K. O'Keefe, Recep H. Sancay, Anne L. Raymond, and Thomas E. Yancey. New insights on the hydrocarbon system of the Fruitland Formation coal beds, northern San Juan Basin, Colorado and New Mexico, USA by W.C. Riese, William L. Pelzmann, and Glen T. Snyder.

  6. Future Impacts of Coal Distribution Constraints on Coal Cost

    E-Print Network [OSTI]

    McCollum, David L

    2007-01-01T23:59:59.000Z

    is produced via coal gasification, then, depending on thenot be amenable to coal gasification and, thus, Eastern coalto represent a coal-to- hydrogen gasification process that

  7. The use of NMR techniques for the analysis of water in coal and the effect of different coal drying techniques on the structure and reactivity of coal. Final report

    SciTech Connect (OSTI)

    Netzel, D.A.; Miknis, F.P.; Wallace, J.C. Jr.; Butcher, C.H.; Mitzel, J.M.; Turner, T.F.; Hurtubise, R.J.

    1995-02-01T23:59:59.000Z

    Western Research Institute has conducted a study of different methods of coal drying as pretreatment steps before liquefaction. The objectives of this study were to develop a combined chemical dehydration/nuclear magnetic resonance (NMR) method for measuring the moisture content of coal, to measure the changes in coal structure that occur during drying, and to determine the effects of different drying methods on liquefaction reactivity of coals. Different methods of drying were investigated to determine whether coal drying can be accomplished without reducing the reactivity of coals toward liquefaction. Drying methods included thermal, microwave, and chemical dehydration. Coals of rank lignite to high volatile bituminous were studied. Coals that were dried or partially dried thermally and with microwaves had lower liquefaction conversions than coals containing equilibrium moisture contents. However, chemically dried coals had conversions equal to or greater than the premoisturized coals. The conversion behavior is consistent with changes in the physical structure and cross linking reactions because of drying. Thermal and microwave drying appear to cause a collapse in the pore structure, thus preventing donor solvents such as tetralin from contacting reactive sites inside the coals. Chemical dehydration does not appear to collapse the pore structure. These results are supported by the solvent swelling measurements in which the swelling ratios of thermally dried and microwave-dried coals were lower than those of premoisturized coals, indicating a greater degree of cross linking in the dried coals. The swelling ratios of the chemically dried coals were greater than those of the premoisturized coals because the pore structure remaining unchanged or increased when water was removed. These results are consistent with the NMR results, which did not show significant changes in coal chemical structure.

  8. State perspectives on clean coal technology deployment

    SciTech Connect (OSTI)

    Moreland, T. [State of Illinois Washington Office, Washington, DC (United States)

    1997-12-31T23:59:59.000Z

    State governments have been funding partners in the Clean Coal Technology program since its beginnings. Today, regulatory and market uncertainties and tight budgets have reduced state investment in energy R and D, but states have developed program initiatives in support of deployment. State officials think that the federal government must continue to support these technologies in the deployment phase. Discussions of national energy policy must include attention to the Clean Coal Technology program and its accomplishments.

  9. Testing of FMI's Coal Upgrading Process

    SciTech Connect (OSTI)

    Vijay Sethi

    2009-03-21T23:59:59.000Z

    WRI and FMI have collaborated to develop and test a novel coal upgrading technology. Proprietary coal upgrading technology is a fluidized bed-based continuous process which allows high through-puts, reducing the coal processing costs. Processing is carried out under controlled oxidizing conditions at mild enough conditions that compared to other coal upgrading technologies; the produced water is not as difficult to treat. All the energy required for coal drying and upgrading is derived from the coal itself. Under the auspices of the Jointly Sponsored Research Program, Cooperative Agreement DE-FC26-98FT40323, a nominal 400 lbs/hour PDU was constructed and operated. Over the course of this project, several low-rank coals were successfully tested in the PDU. In all cases, a higher Btu, low moisture content, stable product was produced and subsequently analyzed. Stack emissions were monitored and produced water samples were analyzed. Product stability was established by performing moisture readsorption testing. Product pyrophobicity was demonstrated by instrumenting a coal pile.

  10. Coal data: A reference

    SciTech Connect (OSTI)

    Not Available

    1995-02-01T23:59:59.000Z

    This report, Coal Data: A Reference, summarizes basic information on the mining and use of coal, an important source of energy in the US. This report is written for a general audience. The goal is to cover basic material and strike a reasonable compromise between overly generalized statements and detailed analyses. The section ``Supplemental Figures and Tables`` contains statistics, graphs, maps, and other illustrations that show trends, patterns, geographic locations, and similar coal-related information. The section ``Coal Terminology and Related Information`` provides additional information about terms mentioned in the text and introduces some new terms. The last edition of Coal Data: A Reference was published in 1991. The present edition contains updated data as well as expanded reviews and additional information. Added to the text are discussions of coal quality, coal prices, unions, and strikes. The appendix has been expanded to provide statistics on a variety of additional topics, such as: trends in coal production and royalties from Federal and Indian coal leases, hours worked and earnings for coal mine employment, railroad coal shipments and revenues, waterborne coal traffic, coal export loading terminals, utility coal combustion byproducts, and trace elements in coal. The information in this report has been gleaned mainly from the sources in the bibliography. The reader interested in going beyond the scope of this report should consult these sources. The statistics are largely from reports published by the Energy Information Administration.

  11. COAL DESULFURIZATION PRIOR TO COMBUSTION

    E-Print Network [OSTI]

    Wrathall, J.

    2013-01-01T23:59:59.000Z

    90e COAL DESULFURIZATION PRIOR TO COMBUSTION J. Wrathall, T.of coal during combustion. The process involves the additionCOAL DESULFURIZATION PRIOR TO COMBUSTION Lawrence Berkeley

  12. coal | netl.doe.gov

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    Commercial Technologies for Coal Storage and Feed Preparation AlternativesSupplements to Coal - Feedstock Flexibility DOE Supported R&D for CoalBiomass Feed and Gasification...

  13. Coal system improvements at Union Electric's Labadie Plant

    SciTech Connect (OSTI)

    Graham, D.; Mahr, D.

    1998-07-01T23:59:59.000Z

    Union Electric's Labadie Plant is a 2,400 MWe (4 x 600) coal-fired power generating station. It is located 35 miles west of St. Louis. The four units were commissioned between 1970 and 1973. Units No. 1 and 2 have individual stacks, while Units No. 3 and 4 have a common stack. In response to the lower sulfur requirements of Clean Air Act Amendments, a fuel switching project was implemented in 1991. The plant was originally designed to burn a bituminous, Midwestern coal from the Illinois Basin. This fuel is characterized as a relatively high Btu, high sulfur coal. To met sulfur emission standards, Union Electric modified the boilers, precipitators, and coal handling system to accommodate Powder River Basin (PRB) coal. PRB coal has a lower heating value, 8,500 Btu/lb, versus 12,000 Btu/lb. for the Illinois coal. It is more economical than the available high Btu, low sulfur coals. A switch from Illinois coal to PRB coal has helped the Labadie Plant meet new air quality standards and minimize fuel cost. The increased belt speeds and inherent characteristics of PRB coal amplified handling problems. Dust, spillage increased and the impact on plant operations was more severe. To combat these problems, Union Electric implemented an ongoing improvement program. As experienced was gained, a number of solutions were initiated through several engineering/construction programs and a number of solutions contributed by coal yard personnel. While many of these improvements were a direct result of the switch to PRB coal, they would also be useful on systems handling bituminous coal. New ideas were needed to meet plant objectives of doing more with fewer people. The improvement at Labadie is apparent throughout the coal yard, in access, safety, and cleanliness. Plant improvement is a continuing task. Additional areas within the coal yard are being more closely examined to determine if they can benefit from new techniques that might be applied.

  14. Low-rank-coal study national needs for resource development. Volume 1. Executive summary

    SciTech Connect (OSTI)

    Elliot, Dr., Martin A.; Hill, George R.; Jonakin, James; Crutchfield, Paul W.; Severson, Donald E.; White, David M.; Yeager, Kurt

    1980-11-01T23:59:59.000Z

    Low-rank coals - lignite and subbituminous - are those which have been subjected to the least amount of metamorphic change during the coal-forming process. As such, they retain greater fractions of moisture and volatile matter from the original peat material, and contain less fixed carbon, than the high-rank coals - bituminous and anthracite. The primary measure used to classify the lower ranks of coal is heating value. Other important characteristics which distinguish the low-rank coals from high-rank coals are discussed in this report. Low-rank coals represent a major, and largely untapped, energy resource for this country. Very extensive deposits of lignite and subbituminous coal exist in the western states, the Gulf coast, and Alaska. Major deposits of low-rank coal are also found in many other countries, most notably the USSR, Australia, Canada, and the central and eastern European nations. Worldwide coal statistics indicate that low-rank coals account for roughly one-third of the total resource and current production tonnages. This report recommends a comprehensive national research, development, and demonstration (RD and D) program to enhance the development of low-rank coals. The major conclusion of this study is that the unique properties of these coals affect the technologies for their extraction, preparation, direct use, and conversion and justify a separate focus on low-rank coals in the national RD and D efforts.

  15. DESULFURIZATION OF COAL MODEL COMPOUNDS AND COAL LIQUIDS

    E-Print Network [OSTI]

    Wrathall, James Anthony

    2011-01-01T23:59:59.000Z

    Coal Cleaning Costs Process Clean Coal Produced, * T/D (DryMM$ Net Operating Cost, $/T (Clean Coal Basis) Net OperatingCost, $/T (Clean Coal Bases) Case NA Hazen KVB Battelle

  16. WABASH RIVER COAL GASIFICATION REPOWERING PROJECT

    SciTech Connect (OSTI)

    Unknown

    2000-09-01T23:59:59.000Z

    The close of 1999 marked the completion of the Demonstration Period of the Wabash River Coal Gasification Repowering Project. This Final Report summarizes the engineering and construction phases and details the learning experiences from the first four years of commercial operation that made up the Demonstration Period under Department of Energy (DOE) Cooperative Agreement DE-FC21-92MC29310. This 262 MWe project is a joint venture of Global Energy Inc. (Global acquired Destec Energy's gasification assets from Dynegy in 1999) and PSI Energy, a part of Cinergy Corp. The Joint Venture was formed to participate in the Department of Energy's Clean Coal Technology (CCT) program and to demonstrate coal gasification repowering of an existing generating unit impacted by the Clean Air Act Amendments. The participants jointly developed, separately designed, constructed, own, and are now operating an integrated coal gasification combined-cycle power plant, using Global Energy's E-Gas{trademark} technology (E-Gas{trademark} is the name given to the former Destec technology developed by Dow, Destec, and Dynegy). The E-Gas{trademark} process is integrated with a new General Electric 7FA combustion turbine generator and a heat recovery steam generator in the repowering of a 1950's-vintage Westinghouse steam turbine generator using some pre-existing coal handling facilities, interconnections, and other auxiliaries. The gasification facility utilizes local high sulfur coals (up to 5.9% sulfur) and produces synthetic gas (syngas), sulfur and slag by-products. The Project has the distinction of being the largest single train coal gasification combined-cycle plant in the Western Hemisphere and is the cleanest coal-fired plant of any type in the world. The Project was the first of the CCT integrated gasification combined-cycle (IGCC) projects to achieve commercial operation.

  17. Upgraded Coal Interest Group

    SciTech Connect (OSTI)

    Evan Hughes

    2009-01-08T23:59:59.000Z

    The Upgraded Coal Interest Group (UCIG) is an EPRI 'users group' that focuses on clean, low-cost options for coal-based power generation. The UCIG covers topics that involve (1) pre-combustion processes, (2) co-firing systems and fuels, and (3) reburn using coal-derived or biomass-derived fuels. The UCIG mission is to preserve and expand the economic use of coal for energy. By reducing the fuel costs and environmental impacts of coal-fired power generation, existing units become more cost effective and thus new units utilizing advanced combustion technologies are more likely to be coal-fired.

  18. Coal Severance Tax (North Dakota)

    Broader source: Energy.gov [DOE]

    The Coal Severance Tax is imposed on all coal severed for sale or industrial purposes, except coal used for heating buildings in the state, coal used by the state or any political subdivision of...

  19. Beluga Coal Gasification - ISER

    SciTech Connect (OSTI)

    Steve Colt

    2008-12-31T23:59:59.000Z

    ISER was requested to conduct an economic analysis of a possible 'Cook Inlet Syngas Pipeline'. The economic analysis was incorporated as section 7.4 of the larger report titled: 'Beluga Coal Gasification Feasibility Study, DOE/NETL-2006/1248, Phase 2 Final Report, October 2006, for Subtask 41817.333.01.01'. The pipeline would carry CO{sub 2} and N{sub 2}-H{sub 2} from a synthetic gas plant on the western side of Cook Inlet to Agrium's facility. The economic analysis determined that the net present value of the total capital and operating lifecycle costs for the pipeline ranges from $318 to $588 million. The greatest contributor to this spread is the cost of electricity, which ranges from $0.05 to $0.10/kWh in this analysis. The financial analysis shows that the delivery cost of gas may range from $0.33 to $0.55/Mcf in the first year depending primarily on the price for electricity.

  20. Cost comparison of selected US and South African coal mines

    SciTech Connect (OSTI)

    Not Available

    1990-04-01T23:59:59.000Z

    The report on the South African coal industry is the fourth in a series of studies on coal exporting countries requested by the House Appropriations Committee. The committee requested that the basic differences in mining costs for U.S. and foreign mines be identified, especially those costs incurred in complying with health, safety, and environmental regulations. Basic costs in extracting raw coal are analyzed for two mining methods -- underground conventional mining and open-pit operations. In the report there is also a limited analysis of the relative market competitiveness of selected South African and U.S. steam coal mines in electric utility markets in Japan, Western Europe, and the U.S. Gulf Coast area. The South African Government prohibits the exports of hard metallurgical coal.

  1. Testing for market integration crude oil, coal, and natural gas

    SciTech Connect (OSTI)

    Bachmeier, L.J.; Griffin, J.M. [Texas A& amp; M Univ, College Station, TX (United States)

    2006-07-01T23:59:59.000Z

    Prompted by the contemporaneous spike in coal, oil, and natural gas prices, this paper evaluates the degree of market integration both within and between crude oil, coal, and natural gas markets. Our approach yields parameters that can be readily tested against a priori conjectures. Using daily price data for five very different crude oils, we conclude that the world oil market is a single, highly integrated economic market. On the other hand, coal prices at five trading locations across the United States are cointegrated, but the degree of market integration is much weaker, particularly between Western and Eastern coals. Finally, we show that crude oil, coal, and natural gas markets are only very weakly integrated. Our results indicate that there is not a primary energy market. Despite current price peaks, it is not useful to think of a primary energy market, except in a very long run context.

  2. TOXIC SUBSTANCES FROM COAL COMBUSTION

    SciTech Connect (OSTI)

    A KOLKER; AF SAROFIM; CL SENIOR; FE HUGGINS; GP HUFFMAN; I OLMEZ; J LIGHTY; JOL WENDT; JOSEPH J HELBLE; MR AMES; N YAP; R FINKELMAN; T PANAGIOTOU; W SEAMES

    1998-12-08T23:59:59.000Z

    The Clean Air Act Amendments of 1990 identify a number of hazardous air pollutants (HAPs) as candidates for regulation. Should regulations be imposed on HAP emissions from coal-fired power plants, a sound understanding of the fundamental principles controlling the formation and partitioning of toxic species during coal combustion will be needed. With support from the Federal Energy Technology Center (FETC), the Electric Power Research Institute, the Lignite Research Council, and VTT (Finland), Physical Sciences Inc. (PSI) has teamed with researchers from USGS, MIT, the University of Arizona (UA), the University of Kentucky (UK), the University of Connecticut (UC), the University of Utah (UU) and the University of North Dakota Energy and Environmental Research Center (EERC) to develop a broadly applicable emissions model useful to regulators and utility planners. The new Toxics Partitioning Engineering Model (ToPEM) will be applicable to all combustion conditions including new fuels and coal blends, low-NO combustion systems, and new power generation x plants. Development of ToPEM will be based on PSI's existing Engineering Model for Ash Formation (EMAF). This report covers the reporting period from 1 July 1998 through 30 September 1998. During this period distribution of all three Phase II coals was completed. Standard analyses for the whole coal samples were also completed. Mössbauer analysis of all project coals and fractions received to date has been completed in order to obtain details of the iron mineralogy. The analyses of arsenic XAFS data for two of the project coals and for some high arsenic coals have been completed. Duplicate splits of the Ohio 5,6,7 and North Dakota lignite samples were taken through all four steps of the selective leaching procedure. Leaching analysis of the Wyodak coal has recently commenced. Preparation of polished coal/epoxy pellets for probe/SEM studies is underway. Some exploratory mercury LIII XAFS work was carried out during August at the Advanced Photon Source (APS), the new synchrotron facility at Argonne National Laboratory, Chicago, IL. Further analysis of small-scale combustion experiments conducted at PSI in Phase I was completed this quarter. The results of these experiments for the first time suggest almost complete vaporization of certain trace elements (Se, Zn) from coal combustion in the flame zone, in accordance with theoretical equilibrium predictions. Other elements (As, Sb, Cr) appeared considerably less volatile and may react with constituents in the bulk ash at combustion temperatures. The combustion section of the University of Arizona's Downflow Combustor was completely rebuilt. The University of Utah worked on setting up EPA Method 26A to give the capability to measure chlorine in flue gas. The chlorine kinetic calculations performed as part of the Phase I program were found to have an error in the initial conditions. Therefore, the calculations were re-done this quarter with the correct starting conditions. Development of a quasi-empirical emissions model based on reported emissions of particulate matter from field measurements was continued this quarter. As a first step in developing the ToPEM, we developed a sub-model that calculates the evaporation of major elements (Na, K, Fe, Si, Al, Ca and Mg) from both inherent and extraneous minerals of coal. During this quarter, this sub-model was included into EMAF, which formed the ToPEM. Experimental data from the Phase I program were used to test and modify the sub-model and the ToPEM.

  3. Utilization ROLE OF COAL COMBUSTION

    E-Print Network [OSTI]

    Wisconsin-Milwaukee, University of

    , materials left after combustion of coal in conventional and/ or advanced clean-coal technology combustors and advanced clean-coal technology combustors. This paper describes various coal combustion products produced (FGD) products from pulverized coal and advanced clean-coal technology combustors. Over 70% of the CCPs

  4. International perspectives on coal preparation

    SciTech Connect (OSTI)

    NONE

    1997-12-31T23:59:59.000Z

    The report consists of the vugraphs from the presentations which covered the following topics: Summaries of the US Department of Energy`s coal preparation research programs; Preparation trends in Russia; South African coal preparation developments; Trends in hard coal preparation in Germany; Application of coal preparation technology to oil sands extraction; Developments in coal preparation in China; and Coal preparation in Australia.

  5. Hanna, Wyoming underground coal gasification field test series

    SciTech Connect (OSTI)

    Bartke, T.C.; Gunn, R.D.

    1983-01-01T23:59:59.000Z

    The six in situ coal gasification field tests conducted by LETC near Hanna, WY, demonstrated typical gasification rates of 100 tons/day for continuous operation of about 30 days. Featuring high coal recovery and high product-gas calorific values, the underground process proved to be simple, reliable, and potentially controllable.

  6. The Hanna, Wyoming, underground coal gasification field test series

    SciTech Connect (OSTI)

    Bartke, T.C.; Gunn, R.D.

    1983-01-01T23:59:59.000Z

    Six field tests of in-situ coal gasification have been conducted by the Department of Energy's Laramie Energy Technology Center Near Hanna, Wyoming with typical gasification rates of 100 tons of coal per day for continuous operation of about 30 days. This paper presents an overview of the Hanna field tests.

  7. Proceedings of the 7th international coal testing conference

    SciTech Connect (OSTI)

    Not Available

    1989-01-01T23:59:59.000Z

    This book contains the proceedings of the 7th international coal testing conference. Topics covered include: a continuous program for sample system evaluation; coal ash analysis by inductively coupled plasma; bias testing of mechanical sampling systems; physical implementation; and statistical approaches to laboratory quality control.

  8. Indonesian coal mining

    SciTech Connect (OSTI)

    NONE

    2008-11-15T23:59:59.000Z

    The article examines the opportunities and challenges facing the Indonesian coal mining industry and how the coal producers, government and wider Indonesian society are working to overcome them. 2 figs., 1 tab.

  9. Microbial solubilization of coal

    DOE Patents [OSTI]

    Strandberg, Gerald W. (Farragut, TN); Lewis, Susan N. (Knoxville, TN)

    1990-01-01T23:59:59.000Z

    This invention deals with the solubilization of coal using species of Streptomyces. Also disclosed is an extracellular component from a species of Streptomyces, said component being able to solubilize coal.

  10. Coal Production 1992

    SciTech Connect (OSTI)

    Not Available

    1993-10-29T23:59:59.000Z

    Coal Production 1992 provides comprehensive information about US coal production, the number of mines, prices, productivity, employment, productive capacity, and recoverable reserves to a wide audience including Congress, Federal and State agencies, the coal industry, and the general public. In 1992, there were 3,439 active coal mining operations made up of all mines, preparation plants, and refuse operations. The data in Table 1 cover the 2,746 mines that produced coal, regardless of the amount of production, except for bituminous refuse mines. Tables 2 through 33 include data from the 2,852 mining operations that produced, processed, or prepared 10 thousand or more short tons of coal during the period, except for bituminous refuse, and includes preparation plants with 5 thousand or more employee hours. These mining operations accounted for over 99 percent of total US coal production and represented 83 percent of all US coal mining operations in 1992.

  11. Coal gasification apparatus

    DOE Patents [OSTI]

    Nagy, Charles K. (Monaca, PA)

    1982-01-01T23:59:59.000Z

    Coal hydrogenation vessel has hydrogen heating passages extending vertically through its wall and opening into its interior.

  12. Autothermal coal gasification

    SciTech Connect (OSTI)

    Konkol. W.; Ruprecht, P.; Cornils, B.; Duerrfeld, R.; Langhoff, J.

    1982-03-01T23:59:59.000Z

    Test data from the Ruhrchemie/Ruhrkohle Texaco coal gasification demonstration plant at Oberhausen are reported. (5 refs.)

  13. Gasifier feed: Tailor-made from Illinois coals. Final technical report, September 1, 1991--December 31, 1992

    SciTech Connect (OSTI)

    Ehrlinger, H.P. III [Illinois State Geological Survey, Champaign, IL (United States); Lytle, J.M.; Frost, R.R.; Lizzio, A.A.; Kohlenberger, L.B.; Brewer, K.K. [Illinois State Geological Survey, Champaign, IL (United States)]|[DESTEC Energy (United States)]|[Williams Technologies, Inc. (United States)]|[Illinois Coal Association (United States)

    1992-12-31T23:59:59.000Z

    The main purpose of this project was to produce a feedstock from preparation plant fines from an Illinois (IL) coal that is ideal for a slurry fed, slagging, entrained-flow coal gasifier. The high-sulfur content and high-Btu value of IL coals are Particularly advantageous in such a gasifier; preliminary-calculations indicate that the increased cost of removing sulfur from the gas from a high-sulfur coal is more than offset b the increased revenue from the sale of the elemental sulfur; additionally the high-Btu IL coal concentrates more energy into the slurry of a given coal to water ratio. The Btu is--higher not only because of the hither Btu value of the coal but also because IL coal requires less water to produce a pumpable slurry than western coal, i.e., as little as 30--35% water may be used for IL coal as compared to approximately 45% for most western coals. During the contract extension, additional coal testing was completed confirming the fact that coal concentrates can be made from plant waste under a variety of flotation conditions 33 tests were conducted, yielding an average of 13326 Btu with 9.6% ash while recovering 86.0%-Of the energy value.

  14. USE OF COAL DRYING TO REDUCE WATER CONSUMED IN PULVERIZED COAL POWER PLANTS

    SciTech Connect (OSTI)

    Edward Levy; Harun Bilirgen; Ursla Levy; John Sale; Nenad Sarunac

    2006-01-01T23:59:59.000Z

    This is the twelfth Quarterly Report for this project. The background and technical justification for the project are described, including potential benefits of reducing fuel moisture using power plant waste heat, prior to firing the coal in a pulverized coal boiler. During this last Quarter, the development of analyses to determine the costs and financial benefits of coal drying was continued. The details of the model and key assumptions being used in the economic evaluation are described in this report and results are shown for a drying system utilizing a combination of waste heat from the condenser and thermal energy extracted from boiler flue gas.

  15. Coal production 1989

    SciTech Connect (OSTI)

    Not Available

    1990-11-29T23:59:59.000Z

    Coal Production 1989 provides comprehensive information about US coal production, the number of mines, prices, productivity, employment, reserves, and stocks to a wide audience including Congress, federal and state agencies, the coal industry, and the general public. 7 figs., 43 tabs.

  16. Advanced Coal Wind Hybrid: Economic Analysis

    SciTech Connect (OSTI)

    Phadke, Amol; Goldman, Charles; Larson, Doug; Carr, Tom; Rath, Larry; Balash, Peter; Yih-Huei, Wan

    2008-11-28T23:59:59.000Z

    Growing concern over climate change is prompting new thinking about the technologies used to generate electricity. In the future, it is possible that new government policies on greenhouse gas emissions may favor electric generation technology options that release zero or low levels of carbon emissions. The Western U.S. has abundant wind and coal resources. In a world with carbon constraints, the future of coal for new electrical generation is likely to depend on the development and successful application of new clean coal technologies with near zero carbon emissions. This scoping study explores the economic and technical feasibility of combining wind farms with advanced coal generation facilities and operating them as a single generation complex in the Western US. The key questions examined are whether an advanced coal-wind hybrid (ACWH) facility provides sufficient advantages through improvements to the utilization of transmission lines and the capability to firm up variable wind generation for delivery to load centers to compete effectively with other supply-side alternatives in terms of project economics and emissions footprint. The study was conducted by an Analysis Team that consists of staff from the Lawrence Berkeley National Laboratory (LBNL), National Energy Technology Laboratory (NETL), National Renewable Energy Laboratory (NREL), and Western Interstate Energy Board (WIEB). We conducted a screening level analysis of the economic competitiveness and technical feasibility of ACWH generation options located in Wyoming that would supply electricity to load centers in California, Arizona or Nevada. Figure ES-1 is a simple stylized representation of the configuration of the ACWH options. The ACWH consists of a 3,000 MW coal gasification combined cycle power plant equipped with carbon capture and sequestration (G+CC+CCS plant), a fuel production or syngas storage facility, and a 1,500 MW wind plant. The ACWH project is connected to load centers by a 3,000 MW transmission line. In the G+CC+CCS plant, coal is gasified into syngas and CO{sub 2} (which is captured). The syngas is burned in the combined cycle plant to produce electricity. The ACWH facility is operated in such a way that the transmission line is always utilized at its full capacity by backing down the combined cycle (CC) power generation units to accommodate wind generation. Operating the ACWH facility in this manner results in a constant power delivery of 3,000 MW to the load centers, in effect firming-up the wind generation at the project site.

  17. Coal demonstration plants. Quarterly report, July-September 1979

    SciTech Connect (OSTI)

    None

    1980-07-01T23:59:59.000Z

    The status of two coal liquefaction demonstration plants and of four coal gasification demonstration plants is reviewed under the following headings: company involved, contract number, funding, process name, process description, flowsheet, schedule, history and progress during the July-September quarter, 1979. Supporting projects in coal feeding systems, valves, grinding equipment, instrumentation, process control and water treatment are discussed in a similar way. Conceptual design work on commercial plants for coal to methanol and for a HYGAS high BTU gas plant were continued. (LTN)

  18. Coal recovery process

    DOE Patents [OSTI]

    Good, Robert J. (Grand Island, NY); Badgujar, Mohan (Williamsville, NY)

    1992-01-01T23:59:59.000Z

    A method for the beneficiation of coal by selective agglomeration and the beneficiated coal product thereof is disclosed wherein coal, comprising impurities, is comminuted to a particle size sufficient to allow impurities contained therein to disperse in water, an aqueous slurry is formed with the comminuted coal particles, treated with a compound, such as a polysaccharide and/or disaccharide, to increase the relative hydrophilicity of hydrophilic components, and thereafter the slurry is treated with sufficient liquid agglomerant to form a coagulum comprising reduced impurity coal.

  19. CO2 Sequestration Potential of Texas Low-Rank Coals

    SciTech Connect (OSTI)

    Duane A. McVay; Walter B. Ayers, Jr.; Jerry L. Jensen

    2004-04-01T23:59:59.000Z

    The objectives of this project are to evaluate the feasibility of carbon dioxide (CO{sub 2}) sequestration in Texas low-rank coals and to determine the potential for enhanced coalbed methane (CBM) recovery as an added benefit of sequestration. The primary objectives for this reporting period were to construct a coal geological model for reservoir analysis and to continue acquisition of data pertinent to coal characterization that would help in determining the feasibility of carbon dioxide sequestration. Structural analysis and detailed correlation of coal zones are important for reservoir analysis and modeling. Evaluation of existing well logs indicates local structural complexity that complicates interpretations of continuity of the Wilcox Group coal zones. Therefore, we have begun searching for published structural maps for the areas of potential injection CO{sub 2}, near the coal-fired power plants. Preliminary evaluations of data received from Anadarko Petroleum Corporation suggest that coal properties and gas content and chemical composition vary greatly among coal seams. We are assessing the stratigraphic and geographic distributions and the weight of coal samples that Anadarko has provided to select samples for further laboratory analysis. Our goal is to perform additional isotherm analyses with various pure and/or mixed gases to enhance our characterization model. Additionally, we are evaluating opportunities for field determination of permeability with Anadarko, utilizing one of their wells.

  20. China's Coal: Demand, Constraints, and Externalities

    E-Print Network [OSTI]

    Aden, Nathaniel

    2010-01-01T23:59:59.000Z

    anthracite, lignite and brown coal. While bituminous coal isproduction of lignite and brown coal, which also increasedtonnes. Whereas lignite and brown coal accounted for 4% of

  1. Coal: the new black

    SciTech Connect (OSTI)

    Tullo, A.H.; Tremblay, J.-F.

    2008-03-15T23:59:59.000Z

    Long eclipsed by oil and natural gas as a raw material for high-volume chemicals, coal is making a comeback, with oil priced at more than $100 per barrel. It is relatively cheap feedstock for chemicals such as methanol and China is building plants to convert coal to polyolefins on a large scale and interest is spreading worldwide. Over the years several companies in the US and China have made fertilizers via the gasification of coal. Eastman in Tennessee gasifies coal to make methanol which is then converted to acetic acid, acetic anhydride and acetate fiber. The future vision is to convert methanol to olefins. UOP and Lurgi are the major vendors of this technology. These companies are the respective chemical engineering arms of Honeywell and Air Liquide. The article reports developments in China, USA and India on coal-to-chemicals via coal gasification or coal liquefaction. 2 figs., 2 photo.

  2. Muffle furnace evaluation of FGD sludge-coal-clay mixtures as potential synthetic aggregates

    E-Print Network [OSTI]

    Pettit, Jesse William

    1978-01-01T23:59:59.000Z

    or returned to the adjacent surface coal mines for disposal. Alternatives to these two methods of disposal are being studied (3, 6, 11). The feasibility of using this material as a raw material in the manufacture of synthetic aggregates has recently been... suitability of synthetic aggregates made from lignite fly ash using a rotary kiln. Lignite or subbituminous coals such as those used are typical of the high-lime or "western" coals that are mined in the western half of the United States. Because of the high...

  3. Simultaneous upgrading of tar sand bitumen and coal by corefining

    SciTech Connect (OSTI)

    Hsich, C.R.; Donaldson, W.I.

    1988-08-16T23:59:59.000Z

    A continuous process is described for simultaneously corefining a mixture of comminuted coal and tar sand bitumen to form a liquid refinery feed stock, having improved hydrocarbon content and viscosity and reduced organo-metallic and metal components, which process comprises: (a) combining bitumen substantially separated from tar sands with comminuted raw coal at a coal to liquid weight ratio of from about 1:2 to about 1 to 50 to form a slurry mixture; (b) subjecting the slurry mixture resulting from step (a) to hydrocracking conditions in the absence of added catalyst to produce off-gases and a mixture of co-refined bitumen and coal liquid and coal ash residues; and (c) recovering the corefined improve coal-bitumen liquid as a refinery feedstock.

  4. Western Meter Policy

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    as Western) VAC Voltage Alternating Current VAR, Mvar Volt-Ampere-Reactive (Instantaneous Reactive Power), Mega-Var VDC Voltage Direct Current Western Area Power Administration...

  5. Predictors of plasticity in bituminous coals. Final technical report

    SciTech Connect (OSTI)

    Lloyd, W. G.; Reasoner, J. W.; Hower, J. C.; Yates, L. P.; Clark, C. P.; Davis, E.; Fitzpatrick, A.; Irefin, A.; Jiminez, A.; Jones, T. M.

    1984-02-01T23:59:59.000Z

    A group of 40 hvb coals, mostly from western Kentucky fields, has been examined with regard to ASTM Gieseler plastometric properties. Twenty-nine of these coals have also been studied over a range of temperatures by isothermal Gieseler plastometry. Raw Gieseler data provide melting and coking slopes and readily calculable fluidity spans. Maximum fluidity by slope intersection is a more consistent measure than observed maximum fluidity. Isothermal slopes and maximum fluidities follow Arrhenius temperature dependencies, with activation energies related systematically to fluid properties. These freshly sampled coals are also characterized by chemical, physical and petrographic criteria, by quantitative solvent extractions, by pyrolysis gas chromatography, by Fourier Transform infrared analysis of coals and extraction residues, by the HPLC analysis of coal extracts, and by optical microscopy of coals and Gieseler semi-coke residues. Multiple linear regression analysis yields three-term expressions which estimate maximum fluidities (both ASTM and isothermal) with R values of .90 to .92. Slopes and critical temperatures are similarly predictable. Plastometer experiments with selected coals under superatmospheric pressures show both melting slopes and maximum fluidities to be sharply increased, the latter by one to three orders of magnitude. Some suggestions are offered to accommodate this new information into the general body of knowledge concerning the phenomenon of plasticity in mid-ranked coals. 81 references, 28 figures, 40 tables.

  6. Coal-bench architecture as a means of understanding regional changes in coal thickness and quality

    SciTech Connect (OSTI)

    Greb, S.F.; Eble, C.F. [Kentucy Geological Survey, Lexington, KY (United States); Hower, J.C. [Center for Applied Research, Lexington, KY (United States)

    1996-09-01T23:59:59.000Z

    Analysis of the Fire Creek (Westphalian B), Pond Creek (lower Westphalian B), and Stockton (Westphalian B) coals, three of the most heavily mined coals in the Central Appalachian Basin, shows that all have a similar multiple-bench architecture of at least two benches split by a regional clastic parting or durain. Coal benches beneath regionally extensive partings are generally less continuous, thinner, more palynologically variable, higher in ash yield, and higher in sulfur content than coal benches above regional partings in all three coals. Where thick, benches above regional partings tend to exhibit temporal palynological changes from lycopod- to fern-dominant. Where inertinite-rich/fern-dominant benches are overlain by additional benches, the upper benches are limited in extent, variable in thickness, high in sulfur content and ash yield, and split away from the coal. The multiple-bench architecture exhibited by these coals is interpreted to represent a cyclic mire succession that was common in the Middle Pennsylvanian. Peats began as planar mires infilling an irregular topography during rising base level. When the topography was infilled, unconfined flooding was possible and resulted in widespread partings. Ponding above these clay-rich flood deposits led to re-establishment of new planar mires with greater continuity than the underlying mires. The extent of these mires provided buffers to clastic influx and, in many cases, allowed domed conditions to develop. Doming resulted in thick, high-quality coal benches. In some cases, a third stage of planar peats, with similar characteristics to the planar peats at the base of the beds, developed on the unevenly distributed clastics that buried underlying mires during continued base-level rise.

  7. Toxic substances form coal combustion--a co prehemsice assessment

    SciTech Connect (OSTI)

    Huggins, F.; Huffman, G.P.; Shah, N. [University of Kentucky, Lexington, KY (United States)

    1997-04-01T23:59:59.000Z

    The Clean Coal Act Amendments of 1990 identify a number of hazardous air pollutants as candidates for regulation. Should regulations be imposed on emission of these pollutants from coal-fired power plants, a sound understanding of the fundamental principles controlling their formation and partition will be needed. A new Toxics Partitioning Engineering Model (ToPEM) has been developed by a broad consortium to be useful to regulators and utility planners. During the last quarter coal analysis was completed on the final program coal, from the Wyodak Seam of the Powder River Basin, Combustion testing continued, including data collected on the self-sustained combustor. Efforts were directed to identify the governing mechanisms for trace element vaporization from the program coals. Mercury speciation and measurements were continued. Review of the existing trace element and organics emission literature was completed. And, model development was begun.

  8. Fixed-bed gasification research using US coals. Volume 2. Gasification of Jetson bituminous coal

    SciTech Connect (OSTI)

    Thimsen, D.; Maurer, R.E.; Pooler, A.R.; Pui, D.; Liu, B.; Kittelson, D.

    1985-03-31T23:59:59.000Z

    A single-staged, fixed-bed Wellman-Galusha gasifier coupled with a hot, raw gas combustion system and scrubber has been used to gasify numerous coals from throughout the United States. The gasification test program is organized as a cooperative effort by private industrial participants and governmental agencies. The consortium of participants is organized under the Mining and Industrial Fuel Gas (MIFGa) Group. This report describes the gasification testing of Jetson bituminous coal. This Western Kentucky coal was gasified during an initial 8-day and subsequent 5-day period. Material flows and compositions are reported along with material and energy balances. Operational experience is also described. 4 refs., 24 figs., 17 tabs.

  9. Coal sector profile

    SciTech Connect (OSTI)

    Not Available

    1990-06-05T23:59:59.000Z

    Coal is our largest domestic energy resource with recoverable reserves estimated at 268 billion short tons or 5.896 quads Btu equivalent. This is approximately 95 percent of US fossil energy resources. It is relatively inexpensive to mine, and on a per Btu basis it is generally much less costly to produce than other energy sources. Its chief drawbacks are the environmental, health and safety concerns that must be addressed in its production and consumption. Historically, coal has played a major role in US energy markets. Coal fueled the railroads, heated the homes, powered the factories. and provided the raw materials for steel-making. In 1920, coal supplied over three times the amount of energy of oil, gas, and hydro combined. From 1920 until the mid 1970s, coal production remained fairly constant at 400 to 600 million short tons a year. Rapid increases in overall energy demands, which began during and after World War II were mostly met by oil and gas. By the mid 1940s, coal represented only half of total energy consumption in the US. In fact, post-war coal production, which had risen in support of the war effort and the postwar Marshall plan, decreased approximately 25 percent between 1945 and 1960. Coal demand in the post-war era up until the 1970s was characterized by increasing coal use by the electric utilities but decreasing coal use in many other markets (e.g., rail transportation). The oil price shocks of the 1970s, combined with natural gas shortages and problems with nuclear power, returned coal to a position of prominence. The greatly expanded use of coal was seen as a key building block in US energy strategies of the 1970s. Coal production increased from 613 million short tons per year in 1970 to 950 million short tons in 1988, up over 50 percent.

  10. Coal-water mixture fuel burner

    DOE Patents [OSTI]

    Brown, T.D.; Reehl, D.P.; Walbert, G.F.

    1985-04-29T23:59:59.000Z

    The present invention represents an improvement over the prior art by providing a rotating cup burner arrangement for use with a coal-water mixture fuel which applies a thin, uniform sheet of fuel onto the inner surface of the rotating cup, inhibits the collection of unburned fuel on the inner surface of the cup, reduces the slurry to a collection of fine particles upon discharge from the rotating cup, and further atomizes the fuel as it enters the combustion chamber by subjecting it to the high shear force of a high velocity air flow. Accordingly, it is an object of the present invention to provide for improved combustion of a coal-water mixture fuel. It is another object of the present invention to provide an arrangement for introducing a coal-water mixture fuel into a combustion chamber in a manner which provides improved flame control and stability, more efficient combustion of the hydrocarbon fuel, and continuous, reliable burner operation. Yet another object of the present invention is to provide for the continuous, sustained combustion of a coal-water mixture fuel without the need for a secondary combustion source such as natural gas or a liquid hydrocarbon fuel. Still another object of the present invention is to provide a burner arrangement capable of accommodating a coal-water mixture fuel having a wide range of rheological and combustion characteristics in providing for its efficient combustion. 7 figs.

  11. Quarterly review of methane from coal-seams technology. Volume 7, Number 3, July-September 1989

    SciTech Connect (OSTI)

    Not Available

    1990-01-01T23:59:59.000Z

    The report contains: sources of coal well information; Powder River Basin, Wyoming; greater Green River coal region, Wyoming and Colorado; Piceance Basin, Colorado; San Juan Basin, Colorado and New Mexico; Raton Basin, Colorado and New Mexico; Black Warrior Basin, Alabama; the United States coalbed methane resource; western cretaceous coal seams project; multiple coal seams project; spalling and the development of a hydraulic fracturing strategy for coal; geologic evaluation of critical production parameters for coalbed methane resources; coalbed methane opportunities in Alberta; the coalbed methane forum; eastern coalbed methane forum.

  12. Fire Clay coal and sandstone washouts

    SciTech Connect (OSTI)

    Andrews, W.M. Jr.; Hower, J.C. (Univ. of Kentucky, Lexington, KY (United States). Center for Applied Energy Research)

    1992-01-01T23:59:59.000Z

    The Fire Clay coal bed has been studied in a portion of southeastern Kentucky. This seam is easily recognizable by a distinctive flint clay parting. Mine maps, field descriptions, and laboratory investigations were used to investigate this coal bed. Several elongate sandstone bodies cut the seam in the study area. These sandstone bodies are subparallel roughly east-west, and are typically 10[sup 1] to 10[sup 2] m wide, and 10[sup 2] m to tens of kilometers long. These sandstone washouts occur in areas overlain by a larger channel sandstone, which usually is found associated with the thickest areas of the coal seam. In south-central Perry County, a cross section of one washout area was well exposed. North of the washout, a 4 to 7 cm thick cannel coal was present at the base of the sequence. The coal on the north side of the cutout gradually thins from 2 m to 1.5 m away from the washout. On the south side of the washout, the coal thins abruptly from over 1.5 m to 1.25 m within 30 m of the channel. An island of slumped and slickensided coal is present within the washout region. Postdepositional differential compaction of the peat is inferred to be the control on placement of the channel system. The areas of thickest peat compacted the most, creating topographic lows through which the stream moved. The regions of thick coal were probably the result of several controlling factors. Predepositional differential compaction and erosion may have produced relief which influenced peat development. Lithologic and geochemical continuity across the channel is good, supporting postdepositional emplacement of the sandstone bodies.

  13. Quarterly review of methane from coal seams Technology. Volume 7, Numbers 1 and 2. October 1989

    SciTech Connect (OSTI)

    Not Available

    1989-01-01T23:59:59.000Z

    Contents include: basin activities--(western Washington, Powder River Basin, Wyoming, Greater Green River Basin, Wyoming and Colorado, Piceance Basin, Colorado, San Juan Basin, Colorado and New Mexico, Raton Basin, Colorado and New Mexico, Black Warrior Basin, Alabama); features--(research in small-scale gas processing, GRI publications on coalbed methane, coalbed methane information sources); methane from coal seams research--(multiple coal seams project, hydrologic characterization of coal seams, spalling and the development of a hydraulic-fracturing strategy for coal, geologic evaluation of critical production parameters for coalbed methane resources, permeability changes resulting from gas desorption); technical events; departments.

  14. DESULFURIZATION OF COAL MODEL COMPOUNDS AND COAL LIQUIDS

    E-Print Network [OSTI]

    Wrathall, James Anthony

    2011-01-01T23:59:59.000Z

    ~ - - - - - ' Gri~ing Feed Coal Slurry Feed Pump Filterused to heat a coal-solvent slurry up to the tempera- turePULVERIZED COAL DISSOLVER PRODUCT SLURRY L-. 5 TJ'OON , ~ (

  15. Future Impacts of Coal Distribution Constraints on Coal Cost

    E-Print Network [OSTI]

    McCollum, David L

    2007-01-01T23:59:59.000Z

    a particular type of coal, each of which is inherentlyThere are four classes of coal: bituminous, sub-bituminous,minerals Metallic ores Coal Crude petroleum Gasoline Fuel

  16. Future Impacts of Coal Distribution Constraints on Coal Cost

    E-Print Network [OSTI]

    McCollum, David L

    2007-01-01T23:59:59.000Z

    coal-to-hydrogen plant capital costs .Capital cost of pulverized coal plant ($/kW) Capital cost ofIGCC coal plant ($/kW) Capital cost of repowering PC plant

  17. DESULFURIZATION OF COAL MODEL COMPOUNDS AND COAL LIQUIDS

    E-Print Network [OSTI]

    Wrathall, James Anthony

    2011-01-01T23:59:59.000Z

    Clean Coal Produced, * T/D (Dry Basis) Installed Plant Cost,Plant Cost, MM$ Net Operating Cost, $/T (Clean Coal Basis)Cost increments fora 25246 ton coal per day SRC plant are

  18. Future Impacts of Coal Distribution Constraints on Coal Cost

    E-Print Network [OSTI]

    McCollum, David L

    2007-01-01T23:59:59.000Z

    5 Figure 1: Map of U.S. coal plants and generating1: Map of U.S. coal plants and generating units (GED, 2006a)of an electric generating coal power plant that would be

  19. Future Impacts of Coal Distribution Constraints on Coal Cost

    E-Print Network [OSTI]

    McCollum, David L

    2007-01-01T23:59:59.000Z

    Council (NCC), 2006, “Coal: America’s Energy Future”, VolumeAssessments to Inform Energy Policy, “Coal: Research andOF RAIL TRANSPORTATION OF COAL The Federal Energy Regulatory

  20. Future Impacts of Coal Distribution Constraints on Coal Cost

    E-Print Network [OSTI]

    McCollum, David L

    2007-01-01T23:59:59.000Z

    OF RAIL TRANSPORTATION OF COAL The Federal Energy RegulatoryPlants Due to Coal Shortages”, Federal Energy RegulatoryCouncil (NCC), 2006, “Coal: America’s Energy Future”, Volume

  1. Future Impacts of Coal Distribution Constraints on Coal Cost

    E-Print Network [OSTI]

    McCollum, David L

    2007-01-01T23:59:59.000Z

    of total electricity generation is because coal plants haveplants come to play an important role in the electricity generationplants will be built in the years around 2020, thereby increasing coal’s share of electricity generation

  2. Emissions, Monitoring and Control of Mercury from Subbituminous Coal-Fired Power Plants

    SciTech Connect (OSTI)

    Alan Bland; Kumar Sellakumar; Craig Cormylo

    2007-08-01T23:59:59.000Z

    The Subbituminous Energy Coalition (SEC) identified a need to re-test stack gas emissions from power plants that burn subbituminous coal relative to compliance with the EPA mercury control regulations for coal-fired plants. In addition, the SEC has also identified the specialized monitoring needs associated with mercury continuous emissions monitors (CEM). The overall objectives of the program were to develop and demonstrate solutions for the unique emission characteristics found when burning subbituminous coals. The program was executed in two phases; Phase I of the project covered mercury emission testing programs at ten subbituminous coal-fired plants. Phase II compared the performance of continuous emission monitors for mercury at subbituminous coal-fired power plants and is reported separately. Western Research Institute and a number of SEC members have partnered with Eta Energy and Air Pollution Testing to assess the Phase I objective. Results of the mercury (Hg) source sampling at ten power plants burning subbituminous coal concluded Hg emissions measurements from Powder River Basin (PBR) coal-fired units showed large variations during both ICR and SEC testing. Mercury captures across the Air Pollution Control Devices (APCDs) present much more reliable numbers (i.e., the mercury captures across the APCDs are positive numbers as one would expect compared to negative removal across the APCDs for the ICR data). Three of the seven units tested in the SEC study had previously shown negative removals in the ICR testing. The average emission rate is 6.08 lb/TBtu for seven ICR units compared to 5.18 lb/TBtu for ten units in the SEC testing. Out of the ten (10) SEC units, Nelson Dewey Unit 1, burned a subbituminous coal and petcoke blend thus lowering the total emission rate by generating less elemental mercury. The major difference between the ICR and SEC data is in the APCD performance and the mercury closure around the APCD. The average mercury removal values across the APCDs are 2.1% and 39.4% with standard deviations (STDs) of 1990 and 75%, respectively for the ICR and SEC tests. This clearly demonstrates that variability is an issue irrespective of using 'similar' fuels at the plants and the same source sampling team measuring the species. The study also concluded that elemental mercury is the main Hg specie that needs to be controlled. 2004 technologies such as activated carbon injection (ACI) may capture up to 60% with double digit lb/MMacf addition of sorbent. PRB coal-fired units have an Hg input of 7-15 lb/TBtu; hence, these units must operate at over 60% mercury efficiency in order to bring the emission level below 5.8 lb/TBtu. This was non-achievable with the best technology available as of 2004. Other key findings include: (1) Conventional particulate collectors, such as Cold-side Electro-Static Precipitators (CESPs), Hot-side Electro-Static Precipitator (HESP), and Fabric Filter (FF) remove nearly all of the particulate bound mercury; (2) CESPs perform better highlighting the flue gas temperature effect on the mercury removal. Impact of speciation with flue gas cooling is apparent; (3) SDA's do not help in enhancing adsorption of mercury vapor species; and (4) Due to consistently low chlorine values in fuels, it was not possible to analyze the impact of chlorine. In summary, it is difficult to predict the speciation at two plants that burn the same fuel. Non-fuel issues, such as flue gas cooling, impact the speciation and consequently mercury capture potential.

  3. Pulverized coal fuel injector

    DOE Patents [OSTI]

    Rini, Michael J. (Hebron, CT); Towle, David P. (Windsor, CT)

    1992-01-01T23:59:59.000Z

    A pulverized coal fuel injector contains an acceleration section to improve the uniformity of a coal-air mixture to be burned. An integral splitter is provided which divides the coal-air mixture into a number separate streams or jets, and a center body directs the streams at a controlled angle into the primary zone of a burner. The injector provides for flame shaping and the control of NO/NO.sub.2 formation.

  4. Coal Mining Regulations (Kentucky)

    Broader source: Energy.gov [DOE]

    Kentucky Administrative Regulation Title 405 chapters 1, 2, 3, 5, 7, 8, 10, 12, 16, 18 and 20 establish the laws governing coal mining in the state.

  5. Coal Development (Nebraska)

    Broader source: Energy.gov [DOE]

    This section provides for the development of newly-discovered coal veins in the state, and county aid for such development.

  6. Coal Market Module This

    Gasoline and Diesel Fuel Update (EIA)

    on fossil energy technologies. This includes 800 million to fund projects under the Clean Coal Power Initiative (CCPI) program, focusing on projects that capture and sequester...

  7. Coal Market Module

    Annual Energy Outlook 2013 [U.S. Energy Information Administration (EIA)]

    on fossil energy technologies. This includes 800 million to fund projects under the Clean Coal Power Initiative (CCPI) program, focusing on projects that capture and sequester...

  8. Coal liquefaction quenching process

    DOE Patents [OSTI]

    Thorogood, Robert M. (Macungie, PA); Yeh, Chung-Liang (Bethlehem, PA); Donath, Ernest E. (St. Croix, VI)

    1983-01-01T23:59:59.000Z

    There is described an improved coal liquefaction quenching process which prevents the formation of coke with a minimum reduction of thermal efficiency of the coal liquefaction process. In the process, the rapid cooling of the liquid/solid products of the coal liquefaction reaction is performed without the cooling of the associated vapor stream to thereby prevent formation of coke and the occurrence of retrograde reactions. The rapid cooling is achieved by recycling a subcooled portion of the liquid/solid mixture to the lower section of a phase separator that separates the vapor from the liquid/solid products leaving the coal reactor.

  9. Clean Coal Projects (Virginia)

    Broader source: Energy.gov [DOE]

    This legislation directs the Virginia Air Pollution Control Board to facilitate the construction and implementation of clean coal projects by expediting the permitting process for such projects.

  10. Future Impacts of Coal Distribution Constraints on Coal Cost

    E-Print Network [OSTI]

    McCollum, David L

    2007-01-01T23:59:59.000Z

    coal (PC) or integrated gasification combined cycle ( IGCC)coal (PC) or integrated gasification combined cycle (IGCC)will be integrated gasification combined cycle (IGCC) (Same

  11. Coal Mining Tax Credit (Arkansas)

    Broader source: Energy.gov [DOE]

    The Coal Mining Tax Credit provides an income or insurance premium tax credit of $2.00 per ton of coal mined, produced or extracted on each ton of coal mined in Arkansas in a tax year. An...

  12. COAL DESULFURIZATION PRIOR TO COMBUSTION

    E-Print Network [OSTI]

    Wrathall, J.

    2013-01-01T23:59:59.000Z

    Corporation, 5-25~79. on Coal Liquefaction at ChevronHamersma, et a L, "Meyers Process for Coal Desulfurization,"in Wheelock, Coal Desulfurization, ACS Symp. Ser 64 (1977(.

  13. Illinois Coal Revival Program (Illinois)

    Broader source: Energy.gov [DOE]

    The Illinois Coal Revival Program is a grants program providing partial funding to assist with the development of new, coal-fueled electric generation capacity and coal gasification or IGCC units...

  14. Sandia National Laboratories: Clean Coal

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    ManagementClean Coal Clean Coal The term clean coal refers to a number of initiatives that seek to reduce or eliminate the hazardous emission or byproducts that result from using...

  15. PressurePressure Indiana Coal Characteristics

    E-Print Network [OSTI]

    Fernández-Juricic, Esteban

    TimeTime PressurePressure · Indiana Coal Characteristics · Indiana Coals for Coke · CoalTransportation in Indiana · Coal Slurry Ponds Evaluation · Site Selection for Coal Gasification · Coal-To-Liquids Study, CTL · Indiana Coal Forecasting · Under-Ground Coal Gasification · Benefits of Oxyfuel Combustion · Economic

  16. Advanced coal conversion process demonstration. Progress report, January 1, 1992--December 31, 1992

    SciTech Connect (OSTI)

    NONE

    1993-12-01T23:59:59.000Z

    This report contains a description of the technical progress made on the Advanced Coal Conversion Process (ACCP) Demonstration Project from January 1, 1992, through December 31, 1992. This project demonstrates an advanced thermal coal drying process, coupled with physical cleaning techniques, that is designed to upgrade high-moisture, low-rank coals to a high-quality, low-sulfur fuel, registered as the SynCoal{reg_sign} process. The coal is processed through three stages (two heating stages followed by an inert cooling stage) of vibrating fluidized bed reactors that remove chemically bound water, carboxyl groups, and volatile sulfur compounds. After drying, the coal is put through a deep-bed stratifier cleaning process to separate the pyrite-rich ash from the coal. The SynCoal{reg_sign} process enhances low-rank, western coals, usually with a moisture content of 25 to 55 percent, sulfur content of 0.5 to 1.5 percent, and heating value of 5,500 to 9,000 British thermal units per pound (Btu/lb), by producing a stable, upgraded, coal product with a moisture content as low as 1 percent, sulfur content as low as 0.3 percent, and heating value up to 12,000 Btu/lb. The 45-ton-per-hour unit is located adjacent to a unit train loadout facility at Western Energy Company`s Rosebud coal mine near Colstrip, Montana. The demonstration plant is sized at about one-tenth the projected throughput of a multiple processing train commercial facility. The demonstration drying and cooling equipment is currently near commercial size. Rosebud SynCoal Partnership`s ACCP Demonstration Facility entered Phase III, Demonstration Operation, in April 1992 and has been operating in an extended startup mode since that time. As with any new developing technology, a number of unforeseen obstacles have been encountered; however, Rosebud SynCoal Partnership has instituted an aggressive program to overcome these obstacles.

  17. Fuel blending with PRB coal

    SciTech Connect (OSTI)

    McCartney, R.H.; Williams, R.L. Jr. [Roberts and Schaefer, Chicago, IL (United States)

    2009-03-15T23:59:59.000Z

    Many methods exist to accomplish coal blending at a new or existing power plant. These range from a basic use of the secondary (emergency) stockout/reclaim system to totally automated coal handling facilities with segregated areas for two or more coals. Suitable choices for different sized coal plant are discussed, along with the major components of the coal handling facility affected by Powder River Basin coal. 2 figs.

  18. Viability of underground coal gasification in the 'deep coals' of the Powder River Basin, Wyoming

    SciTech Connect (OSTI)

    NONE

    2007-06-15T23:59:59.000Z

    The objective of this work is to evaluate the PRB coal geology, hydrology, infrastructure, environmental and permitting requirements and to analyze the possible UCG projects which could be developed in the PRB. Project economics on the possible UCG configurations are presented to evaluate the viability of UCG. There are an estimated 510 billion tons of sub-bituminous coal in the Powder River Basin (PRB) of Wyoming. These coals are found in extremely thick seams that are up to 200 feet thick. The total deep coal resource in the PRB has a contained energy content in excess of twenty times the total world energy consumption in 2002. However, only approximately five percent of the coal resource is at depths less than 500 feet and of adequate thickness to be extracted by open pit mining. The balance is at depths between 500 and 2,000 feet below the surface. These are the PRB 'deep coals' evaluated for UCG in this report. The coal deposits in the Powder River Basin of Wyoming are thick, laterally continuous, and nearly flat lying. These deposits are ideal for development by Underground Coal Gasification. The thick deep coal seams of the PRB can be harvested using UCG and be protective of groundwater, air resources, and with minimum subsidence. Protection of these environmental values requires correct site selection, site characterization, impact definition, and impact mitigation. The operating 'lessons learned' of previous UCG operations, especially the 'Clean Cavity' concepts developed at Rocky Mountain 1, should be incorporated into the future UCG operations. UCG can be conducted in the PRB with acceptable environmental consequences. The report gives the recommended development components for UCG commercialization. 97 refs., 31 figs., 57 tabs., 1 app.

  19. Geologic structures that affect coal-mine roof stability

    SciTech Connect (OSTI)

    Chase, F.E. (Bureau of Mines, Pittsburgh, PA (United States))

    1991-08-01T23:59:59.000Z

    The US Bureau of Mines has investigated several geologic structures that plague underground coal mining. These structures have caused numerous roof falls and, consequently, many miners have been hurt or fatally injured. Hazardous geologic anomalies that can be encountered in the eastern and western US coal fields include slips, hill seams, slickensides, sedimentary dikes, kettlebottoms, and paleochannels. Slips occur throughout the United States and are high-angled fractures in the roof rock. Typically, the rock adjacent to slips is highly slickensided and striated. Hill seams are weathered fracture zones and usually are found in areas where the overburden is shallow. Due to their nature and regional mining conditions, hill seams usually are found only in the southern Appalachian coal basin. Slickensides are lower angled planes of weakness found in coal-mine roof rock throughout the country. Slickensides usually are found in clusters and the adjacent rock is highly polished and striated. Sedimentary dikes (also clastic dikes and clay veins) are the remnants of ancient fissures that have been filled through sedimentary processes, Sedimentary dikes normally are found in coal basins that were slowly subsided. Kettlebottoms are the fossilized remains of trees that once grew in and above the swamp forest and generally are found in coal basins that were rapidly subsided. Paleochannels are the lithified remains of rivers and frequently are found in all coal basins except the Black Warrior.

  20. Coal resources of Kyrgyzstan

    SciTech Connect (OSTI)

    Landis, E.R.; Bostick, N.H.; Gluskoter, H.J.; Johnson, E.A. [Geological Survey, Denver, CO (United States); Harrison, C.D. [CQ Inc., Homer City, PA (United States); Huber, D.W.

    1995-12-31T23:59:59.000Z

    The rugged, mountainous country of Kyrgyzstan contains about one-half of the known coal resources of central Asia (a geographic and economic region that also includes Uzbekistan, Tadjikistan and Turkmenistan). Coal of Jurassic age is present in eight regions in Kyrgyzstan in at least 64 different named localities. Significant coal occurrences of about the same age are present in the central Asian countries of Kazakhstan, China, and Russia. Separation of the coal-bearing rocks into individual deposits results more than earth movements before and during formation of the present-day mountains and basins of the country than from deposition in separate basins.Separation was further abetted by deep erosion and removal of the coal-bearing rocks from many areas, followed by covering of the remaining coal-bearing rocks by sands and gravels of Cenozoic age. The total resources of coal in Kyrgyzstan have been reported as about 30 billion tons. In some of the reported localities, the coal resources are known and adequately explored. In other parts of the republic, the coal resources are inadequately understood or largely unexplored. The resource and reserve inventory of Kyrgyzstan is at best incomplete; for some purposes, such as short-term local and long-range national planning, it may be inadequate. Less than 8% of the total estimated resources are categorized as recoverable reserves, and the amount that is economically recoverable is unknown. The coal is largely of subbituminous and high-volatile C bituminous rank, most has low and medium ash and sulfur contents, and coals of higher rank (some with coking qualities) are present in one region. It is recommended that appropriate analyses and tests be made during planning for utilization.

  1. Search for: "coal" | DOE PAGES

    Office of Scientific and Technical Information (OSTI)

    coal" Find + Advanced Search Advanced Search All Fields: "coal" Title: Full Text: Bibliographic Data: Creator Author: Name Name ORCID Search Authors Type: All Accepted...

  2. Illinois Coal Development Program (Illinois)

    Broader source: Energy.gov [DOE]

    The Illinois Coal Development Program seeks to advance promising clean coal technologies beyond research and towards commercialization. The program provides a 50/50 match with private industry...

  3. Clean coal technologies market potential

    SciTech Connect (OSTI)

    Drazga, B. (ed.)

    2007-01-30T23:59:59.000Z

    Looking at the growing popularity of these technologies and of this industry, the report presents an in-depth analysis of all the various technologies involved in cleaning coal and protecting the environment. It analyzes upcoming and present day technologies such as gasification, combustion, and others. It looks at the various technological aspects, economic aspects, and the various programs involved in promoting these emerging green technologies. Contents: Industry background; What is coal?; Historical background of coal; Composition of coal; Types of coal; Environmental effects of coal; Managing wastes from coal; Introduction to clean coal; What is clean coal?; Byproducts of clean coal; Uses of clean coal; Support and opposition; Price of clean coal; Examining clean coal technologies; Coal washing; Advanced pollution control systems; Advanced power generating systems; Pulverized coal combustion (PCC); Carbon capture and storage; Capture and separation of carbon dioxide; Storage and sequestration of carbon dioxide; Economics and research and development; Industry initiatives; Clean Coal Power Initiative; Clean Coal Technology Program; Coal21; Outlook; Case Studies.

  4. Coalbed methane production enhancement by underground coal gasification

    SciTech Connect (OSTI)

    Hettema, M.H.H.; Wolf, K.H.A.A.; Neumann, B.V.

    1997-12-31T23:59:59.000Z

    The sub-surface of the Netherlands is generally underlain by coal-bearing Carboniferous strata at greater depths (at many places over 1,500 m). These coal seams are generally thinner than 3 meter, occur in groups (5--15) within several hundred meters and are often fairly continuous over many square kilometers. In many cases they have endured complex burial history, influencing their methane saturation. In certain particular geological settings, a high, maximum coalbed methane saturation, may be expected. Carboniferous/Permian coals in the Tianjin-region (China) show many similarities concerning geological settings, rank and composition. Economical coalbed methane production at greater depths is often obstructed by the (very) low permeabilities of the coal seams as with increasing depth the deformation of the coal reduces both its macro-porosity (the cleat system) and microporosity. Experiments in abandoned underground mines, as well as after underground coal gasification tests indicate ways to improve the prospects for coalbed methane production in originally tight coal reservoirs. High permeability areas can be created by the application of underground coal gasification of one of the coal seams of a multi-seam cycle with some 200 meter of coal bearing strata. The gasification of one of the coal seams transforms that seam over a certain area into a highly permeable bed, consisting of coal residues, ash and (thermally altered) roof rubble. Additionally, roof collapse and subsidence will destabilize the overburden. In conjunction this will permit a better coalbed methane production from the remaining surrounding parts of the coal seams. Moreover, the effects of subsidence will influence the stress patterns around the gasified seam and this improves the permeability over certain distances in the coal seams above and below. In this paper the effects of the combined underground coal gasification and coalbed methane production technique are regarded for a single injection well. Known geotechnical aspects are combined with results from laboratory experiments on compaction of thermally treated rubble. An axi-symmetric numerical model is used to determine the effects induced by the gasified coal seam. The calculation includes the rubble formation, rubble compaction and induced stress effects in the overlying strata. Subsequently the stress effects are related to changes in coal permeability, based on experimental results of McKee et al.

  5. Process and apparatus for coal hydrogenation

    DOE Patents [OSTI]

    Ruether, John A. (McMurray, PA); Simpson, Theodore B. (McLean, VA)

    1991-01-01T23:59:59.000Z

    In a coal liquefaction process an aqueous slurry of coal is prepared containing a dissolved liquefaction catalyst. A small quantity of oil is added to the slurry and then coal-oil agglomerates are prepared by agitation of the slurry at atmospheric pressure. The resulting mixture is drained of excess water and dried at atmospheric pressure leaving catalyst deposited on the agglomerates. The agglomerates then are fed to an extrusion device where they are formed into a continuous ribbon of extrudate and fed into a hydrogenation reactor at elevated pressure and temperature. The catalytic hydrogenation converts the extrudate primarily to liquid hydrocarbons in the reactor. The liquid drained in recovering the agglomerates is recycled.

  6. Method for coal liquefaction

    DOE Patents [OSTI]

    Wiser, Wendell H. (Kaysville, UT); Oblad, Alex G. (Salt Lake City, UT); Shabtai, Joseph S. (Salt Lake City, UT)

    1994-01-01T23:59:59.000Z

    A process is disclosed for coal liquefaction in which minute particles of coal in intimate contact with a hydrogenation catalyst and hydrogen arc reacted for a very short time at a temperature in excess of 400.degree. C. at a pressure of at least 1500 psi to yield over 50% liquids with a liquid to gaseous hydrocarbon ratio in excess of 8:1.

  7. Coal liquefaction process

    DOE Patents [OSTI]

    Carr, Norman L. (Allison Park, PA); Moon, William G. (Cheswick, PA); Prudich, Michael E. (Pittsburgh, PA)

    1983-01-01T23:59:59.000Z

    A C.sub.5 -900.degree. F. (C.sub.5 -482.degree. C.) liquid yield greater than 50 weight percent MAF feed coal is obtained in a coal liquefaction process wherein a selected combination of higher hydrogen partial pressure, longer slurry residence time and increased recycle ash content of the feed slurry are controlled within defined ranges.

  8. State coal profiles, January 1994

    SciTech Connect (OSTI)

    Not Available

    1994-02-02T23:59:59.000Z

    The purpose of State Coal Profiles is to provide basic information about the deposits, production, and use of coal in each of the 27 States with coal production in 1992. Although considerable information on coal has been published on a national level, there is a lack of a uniform overview for the individual States. This report is intended to help fill that gap and also to serve as a framework for more detailed studies. While focusing on coal output, State Coal Profiles shows that the coal-producing States are major users of coal, together accounting for about three-fourths of total US coal consumption in 1992. Each coal-producing State is profiled with a description of its coal deposits and a discussion of the development of its coal industry. Estimates of coal reserves in 1992 are categorized by mining method and sulfur content. Trends, patterns, and other information concerning production, number of mines, miners, productivity, mine price of coal, disposition, and consumption of coal are detailed in statistical tables for selected years from 1980 through 1992. In addition, coal`s contribution to the State`s estimated total energy consumption is given for 1991, the latest year for which data are available. A US summary of all data is provided for comparing individual States with the Nation as a whole. Sources of information are given at the end of the tables.

  9. Controlled short residence time coal liquefaction process

    DOE Patents [OSTI]

    Anderson, Raymond P. (Overland Park, KS); Schmalzer, David K. (Englewood, CO); Wright, Charles H. (Overland Park, KS)

    1982-05-04T23:59:59.000Z

    Normally solid dissolved coal product and a distillate liquid product are produced by continuously passing a feed slurry comprising raw feed coal and a recycle solvent oil and/or slurry together with hydrogen to a preheating-reaction zone (26, alone, or 26 together with 42), the hydrogen pressure in the preheating-reaction zone being at least 1500 psig (105 kg/cm.sup.2), reacting the slurry in the preheating-reaction zone (26, or 26 with 42) at a temperature in the range of between about 455.degree. and about 500.degree. C. to dissolve the coal to form normally liquid coal and normally solid dissolved coal. A total slurry residence time is maintained in the reaction zone ranging from a finite value from about 0 to about 0.2 hour, and reaction effluent is continuously and directly contacted with a quenching fluid (40, 68) to substantially immediately reduce the temperature of the reaction effluent to below 425.degree. C. to substantially inhibit polymerization so that the yield of insoluble organic matter comprises less than 9 weight percent of said feed coal on a moisture-free basis. The reaction is performed under conditions of temperature, hydrogen pressure and residence time such that the quantity of distillate liquid boiling within the range C.sub.5 -455.degree. C. is an amount at least equal to that obtainable by performing the process under the same conditions except for a longer total slurry residence time, e.g., 0.3 hour. Solvent boiling range liquid is separated from the reaction effluent and recycled as process solvent.

  10. 2012 Annual Report [WESTERN AREA POWER ADMINISTRATION

    SciTech Connect (OSTI)

    none,

    2012-01-01T23:59:59.000Z

    Fiscal Year 2012 brought some tumultuous and uncertain times to Western. The utility industry and technology continued to evolve, and the demand for constant flow of power and transmission system reliability continued to increase. Western kept pace by continuing to deliver reliable, cost-based hydropower while reviewing and updating business practices that took into account how the energy industry is evolving. During this time of exponential change, Western tackled many challenges, including: Reviewing the Transmission Infrastructure Program processes and procedures; Responding to Secretary of Energy Steven Chu’s memorandum to create a modern, efficient and reliable transmission grid; Weathering record-breaking natural disasters in our service territory; Completing our role in TIP’s flagship project—the Montana Alberta Tie Ltd. transmission line; Incorporating new, far-reaching regulations and industry trends.

  11. Engineering and economical aspects of selection of coal conveying system in Czech underground mines

    SciTech Connect (OSTI)

    Polak, J.; Drozdek, K. [VSB-Technical Univ., Ostrava (Czech Republic)

    1995-12-31T23:59:59.000Z

    Coal, rock and material conveying and men-riding presently represent the critical activities of the mining process. Coal when cut out in the face is continually transported towards the expedition from a mine. The selection of coal conveying system from face to the skip complex or directly to the surface depends mainly on the quantity of coal conveyed, the hauling distance, the local and time concentration of production and the lifetime of a system. Possibilities of belt conveying and combined belt conveying and locomotive haulage, used in Czech coal mines, are analyzed from the point of view of technological advantages and disadvantages and compared according to the economic parameters.

  12. Petrographic characterization of Kentucky coals. Quarterly progress report, December 1981-February 1982

    SciTech Connect (OSTI)

    Hower, J.C.; Ferm, J.C.; Cobb, J.C.; Trinkle, E.J.; Frankie, K.A.; Poe, S.H.; Baynard, D.N.

    1982-01-01T23:59:59.000Z

    The project involves three specific areas of coal petrology: spectral fluorescence of liptinite macerals; properties of semi-inert macerals; and size/form/microlithotype association of pyrite/marcasite. Additional research on the Mannington and Dunbar coals in western Kentucky will apply techniques developed in the first three areas. Suites of coals from other states will also be studied to expand the variability for the project which involves the determination of coal rank through the use of fluorescence measurements on sporinite, all samples have been studied and data analysis is still incomplete. Interpretation of results will be presented in future reports. The actual developments of pseudovitrinites are being investigated. Two possible mechanisms for the origin of pseudovitrinites have been suggested. The first mechanism is differential coalification of similar materials. The second factor for influencing the development of pseudovitrinite is an actual difference in original plant composition. Pyrite analysis of western Kentucky coals has been completed, however data reduction is still incomplete. Changes in the petrography of western coals may be related to depositional environments of the coal.

  13. Removal of mercury from coal via a microbial pretreatment process

    DOE Patents [OSTI]

    Borole, Abhijeet P. (Knoxville, TN); Hamilton, Choo Y. (Knoxville, TN)

    2011-08-16T23:59:59.000Z

    A process for the removal of mercury from coal prior to combustion is disclosed. The process is based on use of microorganisms to oxidize iron, sulfur and other species binding mercury within the coal, followed by volatilization of mercury by the microorganisms. The microorganisms are from a class of iron and/or sulfur oxidizing bacteria. The process involves contacting coal with the bacteria in a batch or continuous manner. The mercury is first solubilized from the coal, followed by microbial reduction to elemental mercury, which is stripped off by sparging gas and captured by a mercury recovery unit, giving mercury-free coal. The mercury can be recovered in pure form from the sorbents via additional processing.

  14. The development of Clean Coal Technology in China

    SciTech Connect (OSTI)

    Jie, Z.; Chu, Z.X. [North China Electrical Power Design Inst., Beijing (China)

    1996-10-01T23:59:59.000Z

    The resource conditions and energy structures of China determine that coal will continue to play a key role in the development of the electrical power industry in the coming years, thus it is necessary to develop clean coal technology in order to control the high consumption rate of energy and to control serious pollution. Clean coal technology focuses on improving the utilization rate of energy and on the control and reduction of emissions. Considering the condition of China, PC-FGD, supercritical units, CFBC, IGCC and PFBC-CC can be applied and developed under different conditions and in different periods with these technologies developing simultaneously and helping each other forward to improve clean coal technologies. China has broad development prospects and a large market for clean coal technologies. The authors hope to strengthen international exchange and cooperation in this field for the development of CCTs markets in China.

  15. Western Pacific Regional Summary Western Pacific

    E-Print Network [OSTI]

    ) of the Pacific-wide (western-central and eastern Pacific Ocean) total of Pacific bigeye tuna landings reported Fisheries Commission (WCPFC) is active in the western and central Pacific Ocean and the Inter-American Tropical Tuna Commission (IATTC) is active in the eastern Pacific Ocean. Species under the purview

  16. Clean coal: Global opportunities for small businesses

    SciTech Connect (OSTI)

    NONE

    1998-01-01T23:59:59.000Z

    The parallel growth in coal demand and environmental concern has spurred interest in technologies that burn coal with greater efficiency and with lower emissions. Clean Coal Technologies (CCTs) will ensure that continued use of the world`s most abundant energy resource is compatible with a cleaner, healthier environment. Increasing interest in CCTs opens the door for American small businesses to provide services and equipment for the clean and efficient use of coal. Key players in most coal-related projects are typically large equipment manufacturers, power project developers, utilities, governments, and multinational corporations. At the same time, the complexity and scale of many of these projects creates niche markets for small American businesses with high-value products and services. From information technology, control systems, and specialized components to management practices, financial services, and personnel training methods, small US companies boast some of the highest value products and services in the world. As a result, American companies are in a prime position to take advantage of global niche markets for CCTs. This guide is designed to provide US small businesses with an overview of potential international market opportunities related to CCTs and to provide initial guidance on how to cost-effectively enter that growing global market.

  17. Coal gasification power generation, and product market study. Topical report, March 1, 1995--March 31, 1996

    SciTech Connect (OSTI)

    Sheesley, D.; King, S.B.

    1998-12-31T23:59:59.000Z

    This Western Research Institute (WRI) project was part of a WRI Energy Resource Utilization Program to stimulate pilot-scale improved technologies projects to add value to coal resources in the Rocky Mountain region. The intent of this program is to assess the application potential of emerging technologies to western resources. The focus of this project is on a coal resource near the Wyoming/Colorado border, in Colorado. Energy Fuels Corporation/Kerr Coal Company operates a coal mine in Jackson County, Colorado. The coal produces 10,500 Btu/lb and has very low sulfur and ash contents. Kerr Coal Company is seeking advanced technology for alternate uses for this coal. This project was to have included a significant cost-share from the Kerr Coal Company ownership for a market survey of potential products and technical alternatives to be studied in the Rocky Mountain Region. The Energy Fuels Corporation/Kerr Coal Company and WRI originally proposed this work on a cost reimbursable basis. The total cost of the project was priced at $117,035. The Kerr Coal Company had scheduled at least $60,000.00 to be spent on market research for the project that never developed because of product market changes for the company. WRI and Kerr explored potential markets and new technologies for this resource. The first phase of this project as a preliminary study had studied fuel and nonfuel technical alternatives. Through related projects conducted at WRI, resource utilization was studied to find high-value materials that can be targeted for fuel and nonfuel use and eventually include other low-sulfur coals in the Rocky Mountain region. The six-month project work was spread over about a three-year period to observe, measure, and confirm over time-any trends in technology development that would lead to economic benefits in northern Colorado and southern Wyoming from coal gasification and power generation.

  18. Consensus Coal Production Forecast for

    E-Print Network [OSTI]

    Mohaghegh, Shahab

    Consensus Coal Production Forecast for West Virginia 2009-2030 Prepared for the West Virginia Summary 1 Recent Developments 2 Consensus Coal Production Forecast for West Virginia 10 Risks References 27 #12;W.Va. Consensus Coal Forecast Update 2009 iii List of Tables 1. W.Va. Coal Production

  19. Clean coal technology: The new coal era

    SciTech Connect (OSTI)

    Not Available

    1994-01-01T23:59:59.000Z

    The Clean Coal Technology Program is a government and industry cofunded effort to demonstrate a new generation of innovative coal processes in a series of full-scale showcase`` facilities built across the country. Begun in 1986 and expanded in 1987, the program is expected to finance more than $6.8 billion of projects. Nearly two-thirds of the funding will come from the private sector, well above the 50 percent industry co-funding expected when the program began. The original recommendation for a multi-billion dollar clean coal demonstration program came from the US and Canadian Special Envoys on Acid Rain. In January 1986, Special Envoys Lewis and Davis presented their recommendations. Included was the call for a 5-year, $5-billion program in the US to demonstrate, at commercial scale, innovative clean coal technologies that were beginning to emerge from research programs both in the US and elsewhere in the world. As the Envoys said: if the menu of control options was expanded, and if the new options were significantly cheaper, yet highly efficient, it would be easier to formulate an acid rain control plan that would have broader public appeal.

  20. Western States Shale Production (Billion Cubic Feet)

    Annual Energy Outlook 2013 [U.S. Energy Information Administration (EIA)]

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645 3,625 1,006 492 742 33 111 1,613 122 40CoalLease(Billion Cubic Feet)YearWellhead Price (Dollars perProvedWestern

  1. Recent advances in coal geochemistry

    SciTech Connect (OSTI)

    Chyi, L.L. (Dept. of Geology, Univ. of Akron, Akron, OH (US)); Chou, C.-L. (Illinois State Geological Survey, 615 E. Peabody Drive, Champaign, IL (US))

    1990-01-01T23:59:59.000Z

    Chapters in this collection reflect the recent emphasis both on basic research in coal geochemistry and on applied aspects related to coal utilization. Geochemical research on peat and coal generates compositional data that are required for the following reasons. First, many studies in coal geology require chemical data to aid in interpretation for better understanding of the origin and evolution of peat and coal. Second, coal quality assessment is based largely on composition data, and these data generate useful insights into the geologic factors that control the quality of coal. Third, compositional data are needed for effective utilization of coal resources and to reflect the recent emphasis on both basic research in coal geochemistry and environmental aspects related to coal utilization.

  2. Preliminary evaluation of resinite recovery from Illinois coal. Technical report, March 1--May 31, 1995

    SciTech Connect (OSTI)

    Crelling, J.C.

    1995-12-31T23:59:59.000Z

    Resinite is a naturally occurring substance found in coal and derived from original plant resins. It has been commercially exploited in the western USA for use in adhesives, varnishes and thermal setting inks. The overall objective of this project is to compare the properties of the resinite contained in Illinois Basin coals to resinite being commercially exploited in the western US, and to recover the resinite from Illinois coals by microbubble column floatation techniques. The significance of this study is that it has the potential to show the way to recover a valuable chemical, resinite, from coal using only physical processing techniques. The value of the resinite at $1.00/kg or $0.50/lb makes it about fifty times more valuable than steam coal. The removal of resinite from coal does not decrease the value of the remaining coal in any way. During this quarter pure concentrates of resinite from Herrin No. 6 Seam were produced by the density gradient centrifugation technique. This material is also now being characterized by petrographic and chemical methods. Another accomplishment this quarter was the completion of a series of microbubble column flotation tests under eight different conditions. The tests were successful in producing concentrates that are now being evaluated. The significance of the work done during this quarter is the confirmation that the resinite in an Illinois coal can be successfully separated in quantities useful for testing and analysis.

  3. Coal liquefaction process

    DOE Patents [OSTI]

    Wright, C.H.

    1986-02-11T23:59:59.000Z

    A process is described for the liquefaction of coal wherein raw feed coal is dissolved in recycle solvent with a slurry containing recycle coal minerals in the presence of added hydrogen at elevated temperature and pressure. The highest boiling distillable dissolved liquid fraction is obtained from a vacuum distillation zone and is entirely recycled to extinction. Lower boiling distillable dissolved liquid is removed in vapor phase from the dissolver zone and passed without purification and essentially without reduction in pressure to a catalytic hydrogenation zone where it is converted to an essentially colorless liquid product boiling in the transportation fuel range. 1 fig.

  4. Coal liquefaction process

    DOE Patents [OSTI]

    Wright, Charles H. (Overland Park, KS)

    1986-01-01T23:59:59.000Z

    A process for the liquefaction of coal wherein raw feed coal is dissolved in recycle solvent with a slurry containing recycle coal minerals in the presence of added hydrogen at elevated temperature and pressure. The highest boiling distillable dissolved liquid fraction is obtained from a vacuum distillation zone and is entirely recycled to extinction. Lower boiling distillable dissolved liquid is removed in vapor phase from the dissolver zone and passed without purification and essentially without reduction in pressure to a catalytic hydrogenation zone where it is converted to an essentially colorless liquid product boiling in the transportation fuel range.

  5. Clean coal today

    SciTech Connect (OSTI)

    none,

    1990-01-01T23:59:59.000Z

    This is the first issue of the Clean Coal Today publication. Each issue will provide project status reports, feature articles about certain projects and highlight key events concerning the US Clean Coal Technology Demonstration Program. Projects described in this publication include: Colorado-Ute Electric Association Circulating Fluidized Bed Combustor Project at Nucla, Colorado; Babcock and Wilcox coolside and limestone injection multistage burner process (dry sorbent injection); Coal Tech's Advanced Cyclone Combustor Project; and the TIDD pressurized fluidized bed combustor combined cycle facility in Brilliant, Ohio. The status of other projects is included.

  6. Coal | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page onYouTube YouTube Note: Since the YouTube platformBuildingCoal Combustion Products Coal Combustion ProductsCoal to

  7. Coal | Department of Energy

    Energy Savers [EERE]

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page onYou are now leaving Energy.gov You are now leaving Energy.gov You are being directed off Energy.gov. Are you sure you want toworldPower 2010 1AAcquisitionDevelopmentChooseCoal Coal Coal

  8. Coal | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page onYou are now leaving Energy.gov You are now leaving Energy.gov You are being directedAnnualProperty EditCalifornia:PowerCER.png El CER esDatasetCityFundCo-benefits EvaluationCoalCoalCoal

  9. Opportunities in underground coal gasification

    SciTech Connect (OSTI)

    Bloomstran, M.A.; Davis, B.E.

    1984-06-01T23:59:59.000Z

    A review is presented of the results obtained on DOE-sponsored field tests of underground coal gasification in steeply-dipping beds at Rawlins, Wyoming. The coal gas composition, process parameters, and process economics are described. Steeply-dipping coal resources, which are not economically mineable using conventional coal mining methods, are identified and potential markets for underground coal gasification products are discussed. It is concluded that in-situ gasification in steeply-dipping deposits should be considered for commercialization.

  10. Gasifier feed: Tailor-made from Illinois coals. Interim final technical report, September 1, 1991--August 31, 1992

    SciTech Connect (OSTI)

    Ehrlinger, H.P. III; Lytle, J.; Frost, R.R.; Lizzio, A.; Kohlenberger, L.; Brewer, K. [Illinois State Geological Survey, Champaign, IL (United States)

    1992-12-31T23:59:59.000Z

    The main purpose of this project is to produce a feedstock from preparation plant fines from an Illinois coal that is ideal for a slurry fed, slagging, entrained-flow coal gasifier. The high sulfur content and high Btu value of Illinois coals are particularly advantageous in such a gasifier; preliminary calculations indicate that the increased cost of removing sulfur from the gas from a high sulfur coal is more than offset by the increased revenue from the sale of the elemental sulfur; additionally the high Btu Illinois coal concentrates more energy into the slurry of a given coal to water ratio. The Btu is higher not only because of the higher Btu value of the coal but also because Illinois coal requires less water to produce a pumpable slurry than western coal, i.e., as little as 30--35% water may be used for Illinois coal as compared to approximately 45% for most western coals. Destec Energy, a wholly-owned subsidiary of Dow Chemical Company, will provide guidelines and test compatibility of the slurries developed for gasification feedstock. Williams Technologies, Inc., will provide their expertise in long distance slurry pumping, and test selected products for viscosity, pumpability, and handleability. The Illinois State Geological Survey will study methods for producing clean coal/water slurries from preparation plant wastes including the concentration of pyritic sulfur into the coal slurry to increase the revenue from elemental sulfur produced during gasification operations, and decrease the pyritic sulfur content of the waste streams. ISGS will also test the gasification reactivity of the coals.

  11. Air toxic emissions from the combustion of coal: Identifying and quantifying hazardous air pollutants from US coals

    SciTech Connect (OSTI)

    Szpunar, C.B.

    1992-09-01T23:59:59.000Z

    This report addresses the key air toxic emissions likely to emanate from continued and expanded use of domestic coal. It identifies and quantifies those trace elements specified in the US 1990 Clean Air Act Amendments, by tabulating selected characterization data on various source coals by region, state, and rank. On the basis of measurements by various researchers, this report also identifies those organic compounds likely to be derived from the coal combustion process (although their formation is highly dependent on specific boiler configurations and operating conditions).

  12. Geosphere in underground coal gasification

    SciTech Connect (OSTI)

    Daly, D.J.; Groenewold, G.H.; Schmit, C.R.; Evans, J.M.

    1988-07-01T23:59:59.000Z

    The feasibility of underground coal gasification (UCG), the in-situ conversion of coal to natural gas, has been demonstrated through 28 tests in the US alone, mainly in low-rank coals, since the early 1970s. Further, UCG is currently entering the commercial phase in the US with a planned facility in Wyoming for the production of ammonia-urea from UCG-generated natural gas. Although the UCG process both affects and is affected by the natural setting, the majority of the test efforts have historically been focused on characterizing those aspects of the natural setting with the potential to affect the burn. With the advent of environmental legislation, this focus broadened to include the potential impacts of the process on the environment (e.g., subsidence, degradation of ground water quality). Experience to date has resulted in the growing recognition that consideration of the geosphere is fundamental to the design of efficient, economical, and environmentally acceptable UCG facilities. The ongoing RM-1 test program near Hanna, Wyoming, sponsored by the US Department of Energy and an industry consortium led by the Gas Research Institute, reflects this growing awareness through a multidisciplinary research effort, involving geoscientists and engineers, which includes (1) detailed geological site characterization, (2) geotechnical, hydrogeological, and geochemical characterization and predictive modeling, and (3) a strategy for ground water protection. Continued progress toward commercialization of the UCG process requires the integration of geological and process-test information in order to identify and address the potentially adverse environmental ramifications of the process, while identifying and using site characteristics that have the potential to benefit the process and minimize adverse impacts.

  13. China's Coal: Demand, Constraints, and Externalities

    E-Print Network [OSTI]

    Aden, Nathaniel

    2010-01-01T23:59:59.000Z

    of deploying advanced coal power in the Chinese context,”12 2.6. International coal prices and12 III. Chinese Coal

  14. Advanced Coal Wind Hybrid: Economic Analysis

    E-Print Network [OSTI]

    Phadke, Amol

    2008-01-01T23:59:59.000Z

    of Figures Figure ES-1. Advanced Coal Wind Hybrid: Basicviii Figure 1. Advanced-Coal Wind Hybrid: Basic29 Figure 9. Sensitivity to Coal

  15. Advanced Coal Wind Hybrid: Economic Analysis

    E-Print Network [OSTI]

    Phadke, Amol

    2008-01-01T23:59:59.000Z

    farms with advanced coal generation facilities and operatingfarms with advanced coal generation facilities and operatingin the stand-alone coal generation option (IGCC+CCS plant)

  16. China's Coal: Demand, Constraints, and Externalities

    E-Print Network [OSTI]

    Aden, Nathaniel

    2010-01-01T23:59:59.000Z

    services. Power generation Coal increasingly dominates28 Thermal coal electricity generation efficiency alsostudy examines four coal-thermal generation technology types

  17. Coal-Biomass Feed and Gasification

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    Coal-Biomass Feed and Gasification The Coal-Biomass Feed and Gasification Key Technology is advancing scientific knowledge of the production of liquid hydrocarbon fuels from coal...

  18. China's Coal: Demand, Constraints, and Externalities

    E-Print Network [OSTI]

    Aden, Nathaniel

    2010-01-01T23:59:59.000Z

    generation systems. Coal energy density could be increasedfuel reserves were coal by energy content; 19% were oil, andConsumption, 2007 coal/primary energy consumption Source: BP

  19. China's Coal: Demand, Constraints, and Externalities

    E-Print Network [OSTI]

    Aden, Nathaniel

    2010-01-01T23:59:59.000Z

    19 3.4. Coking coal for iron & steels FOB export value for coking coal was relatively stables FOB export value for coking coal significantly increased

  20. Clean Coal Power Initiative | Department of Energy

    Office of Environmental Management (EM)

    Clean Coal Power Initiative Clean Coal Power Initiative "Clean coal technology" describes a new generation of energy processes that sharply reduce air emissions and other...

  1. The Advanced Research Projects Agency-Energy (ARPA-E) has awarded engineers at Case Western Reserve University $1,508,000 in a second round of funding to continue the development of their iron flow

    E-Print Network [OSTI]

    Rollins, Andrew M.

    battery performance under various operating conditions, and validate shunt current losses with battery University $1,508,000 in a second round of funding to continue the development of their iron flow battery which drives down costs and expands battery applications. ARPA-E is a division of the U.S. Department

  2. Aqueous coal slurry

    DOE Patents [OSTI]

    Berggren, Mark H.; Smit, Francis J.; Swanson, Wilbur W.

    1993-04-06T23:59:59.000Z

    An aqueous slurry containing coal and dextrin as a dispersant. The slurry, in addition to containing dextrin, may contain a conventional dispersant or, alternatively, a pH controlling reagent.

  3. Aqueous coal slurry

    DOE Patents [OSTI]

    Berggren, Mark H. (Golden, CO); Smit, Francis J. (Arvada, CO); Swanson, Wilbur W. (Golden, CO)

    1993-01-01T23:59:59.000Z

    An aqueous slurry containing coal and dextrin as a dispersant. The slurry, in addition to containing dextrin, may contain a conventional dispersant or, alternatively, a pH controlling reagent.

  4. Quarterly coal report

    SciTech Connect (OSTI)

    Young, P.

    1996-05-01T23:59:59.000Z

    The Quarterly Coal Report (QCR) provides comprehensive information about U.S. coal production, distribution, exports, imports, receipts, prices, consumption, and stocks to a wide audience, including Congress, Federal and State agencies, the coal industry, and the general public. Coke production, consumption, distribution, imports, and exports data are also provided. The data presented in the QCR are collected and published by the Energy Information Administration (EIA) to fulfill data collection and dissemination responsibilities as specified in the Federal Energy Administration Act of 1974 (Public Law 93-275), as amended. This report presents detailed quarterly data for October through December 1995 and aggregated quarterly historical data for 1987 through the third quarter of 1995. Appendix A displays, from 1987 on, detailed quarterly historical coal imports data, as specified in Section 202 of the Energy Policy and Conservation Amendments Act of 1985 (Public Law 99-58). Appendix B gives selected quarterly tables converted to metric tons.

  5. Clean Coal Research

    Broader source: Energy.gov [DOE]

    DOE's clean coal R&D is focused on developing and demonstrating advanced power generation and carbon capture, utilization and storage technologies for existing facilities and new fossil-fueled...

  6. Clean Coal Technology (Indiana)

    Broader source: Energy.gov [DOE]

    A public utility may not use clean coal technology at a new or existing electric generating facility without first applying for and obtaining from the Utility Regulatory Commission a certificate...

  7. Petrographic characterization of Kentucky coals. Annual report

    SciTech Connect (OSTI)

    Hower, J.C.; Ferm, J.C.; Cobb, J.C.; Trinkle, E.J.; Frankie, K.A.; Poe, S.H.

    1981-09-29T23:59:59.000Z

    The study of the petrography of Kentucky coals sponsored by the US Department of Energy currently involves three projects as described below: semi-inert macerals, spectral fluorescence of liptinites, and pyrite size/form/microlithotype distribution. Progress to date has varied due to requirements for training personnel and due to equipment problems. With the two-year continuation of the grant further study will apply results from the above projects to stratigraphic problems.

  8. Coal Liquefaction desulfurization process

    DOE Patents [OSTI]

    Givens, Edwin N. (Bethlehem, PA)

    1983-01-01T23:59:59.000Z

    In a solvent refined coal liquefaction process, more effective desulfurization of the high boiling point components is effected by first stripping the solvent-coal reacted slurry of lower boiling point components, particularly including hydrogen sulfide and low molecular weight sulfur compounds, and then reacting the slurry with a solid sulfur getter material, such as iron. The sulfur getter compound, with reacted sulfur included, is then removed with other solids in the slurry.

  9. Coal liquefaction process

    DOE Patents [OSTI]

    Skinner, Ronald W. (Allentown, PA); Tao, John C. (Perkiomenville, PA); Znaimer, Samuel (Vancouver, CA)

    1985-01-01T23:59:59.000Z

    This invention relates to an improved process for the production of liquid carbonaceous fuels and solvents from carbonaceous solid fuels, especially coal. The claimed improved process includes the hydrocracking of the light SRC mixed with a suitable hydrocracker solvent. The recycle of the resulting hydrocracked product, after separation and distillation, is used to produce a solvent for the hydrocracking of the light solvent refined coal.

  10. Method for coal liquefaction

    DOE Patents [OSTI]

    Wiser, W.H.; Oblad, A.G.; Shabtai, J.S.

    1994-05-03T23:59:59.000Z

    A process is disclosed for coal liquefaction in which minute particles of coal in intimate contact with a hydrogenation catalyst and hydrogen arc reacted for a very short time at a temperature in excess of 400 C at a pressure of at least 1500 psi to yield over 50% liquids with a liquid to gaseous hydrocarbon ratio in excess of 8:1. 1 figures.

  11. Viscosity Determination of Molten Ash from Low-Grade US Coals

    DOE Public Access Gateway for Energy & Science Beta (PAGES Beta)

    Zhu, Jingxi [National Energy Technology Laboratory (NETL), Pittsburgh, PA, and Morgantown, WV (United States); URS Corp., Albany, OR (United States); Nakano, Jinichiro [National Energy Technology Laboratory (NETL), Pittsburgh, PA, and Morgantown, WV (United States); URS Corp., Albany, OR (United States); Kaneko, Tetsuya Kenneth [National Energy Technology Laboratory (NETL), Pittsburgh, PA, and Morgantown, WV (United States); Carnegie Mellon Univ., Pittsburgh, PA (United States); Mu, Haoyuan [Carnegie Mellon Univ., Pittsburgh, PA (United States); Bennett, James P. [National Energy Technology Laboratory (NETL), Pittsburgh, PA, and Morgantown, WV (United States); Kwong, Kyei-Sing [National Energy Technology Laboratory (NETL), Pittsburgh, PA, and Morgantown, WV (United States); Rozelle, Peter [US Dept. of Energy, Washington, DC (United States). Office of Clean Energy Systems; Sridhar, Seetharaman [National Energy Technology Laboratory (NETL), Pittsburgh, PA, and Morgantown, WV (United States); Carnegie Mellon Univ., Pittsburgh, PA (United States)

    2011-10-01T23:59:59.000Z

    In entrained slagging gasifiers, the fluidity of the molten ash is a critical factor for process control since it affects slag formation, the capture of inorganic constituents, refractory wear, and slag drainage along the gasification chamber walls. The use of western coal, or mixtures of eastern and western coals as gasifier feedstock, is likely to occur as western coals become available and technological issues that hinder their use are being resolved. In the present work, the viscosity of synthetic slags with ash chemistries simulating the western U.S. coals, was experimentally measured at a Po2?=?10- 8 atm in the temperature range of 1773–1573 K (1500–1300 °C) using a rotating-bob viscometer. Alumina spindles and containment crucibles of both alumina and zirconia were used. Crystallization studies of this slag using a confocal scanning laser microscope found that a (Mg,Fe)Al2O4-based spinel precipitated at temperatures below 1723 K (1450 °C), and this agreed with FactSage equilibrium phase prediction. The same spinels were observed in the post-viscometry experiment slags when ZrO2 crucibles were used and assumed to be in equilibrium with the slag at the higher temperatures. Zirconia dissolution resulted in a slight increase in the solid fraction present in slags at lower temperatures, compared to spinel fraction. Crystal precipitation changed the apparent activation energy and required a longer stabilization times for viscosity measurements. The viscosity results were used in predictive equations based on Veytsman and Einstein's models, with critical nucleation temperatures and the solid fraction calculated with FactSage. In the simulated eastern/western coal feedstock blends based on ash compositions, the fractions of the solid precipitates were also calculated using the thermodynamic program FactSage for each blend composition, and the plastic viscosity of each eastern/western coal slag blend was predicted using Veytsman's model and compared to available experimental data.

  12. Viscosity Determination of Molten Ash from Low-Grade US Coals

    DOE Public Access Gateway for Energy & Science Beta (PAGES Beta)

    Zhu, Jingxi; Nakano, Jinichiro; Kaneko, Tetsuya Kenneth; Mu, Haoyuan; Bennett, James P.; Kwong, Kyei-Sing; Rozelle, Peter; Sridhar, Seetharaman

    2011-10-01T23:59:59.000Z

    In entrained slagging gasifiers, the fluidity of the molten ash is a critical factor for process control since it affects slag formation, the capture of inorganic constituents, refractory wear, and slag drainage along the gasification chamber walls. The use of western coal, or mixtures of eastern and western coals as gasifier feedstock, is likely to occur as western coals become available and technological issues that hinder their use are being resolved. In the present work, the viscosity of synthetic slags with ash chemistries simulating the western U.S. coals, was experimentally measured at a Po2?=?10- 8 atm in the temperature rangemore »of 1773–1573 K (1500–1300 °C) using a rotating-bob viscometer. Alumina spindles and containment crucibles of both alumina and zirconia were used. Crystallization studies of this slag using a confocal scanning laser microscope found that a (Mg,Fe)Al2O4-based spinel precipitated at temperatures below 1723 K (1450 °C), and this agreed with FactSage equilibrium phase prediction. The same spinels were observed in the post-viscometry experiment slags when ZrO2 crucibles were used and assumed to be in equilibrium with the slag at the higher temperatures. Zirconia dissolution resulted in a slight increase in the solid fraction present in slags at lower temperatures, compared to spinel fraction. Crystal precipitation changed the apparent activation energy and required a longer stabilization times for viscosity measurements. The viscosity results were used in predictive equations based on Veytsman and Einstein's models, with critical nucleation temperatures and the solid fraction calculated with FactSage. In the simulated eastern/western coal feedstock blends based on ash compositions, the fractions of the solid precipitates were also calculated using the thermodynamic program FactSage for each blend composition, and the plastic viscosity of each eastern/western coal slag blend was predicted using Veytsman's model and compared to available experimental data.« less

  13. Development of an Ultra-fine Coal Dewatering Technology and an Integrated Flotation-Dewatering System for Coal Preparation Plants

    SciTech Connect (OSTI)

    Wu Zhang; David Yang; Amar Amarnath; Iftikhar Huq; Scott O'Brien; Jim Williams

    2006-12-22T23:59:59.000Z

    The project proposal was approved for only the phase I period. The goal for this Phase I project was to develop an industrial model that can perform continuous and efficient dewatering of fine coal slurries of the previous flotation process to fine coal cake of {approx}15% water content from 50-70%. The feasibility of this model should be demonstrated experimentally using a lab scale setup. The Phase I project was originally for one year, from May 2005 to May 2006. With DOE approval, the project was extended to Dec. 2006 without additional cost from DOE to accomplish the work. Water has been used in mining for a number of purposes such as a carrier, washing liquid, dust-catching media, fire-retardation media, temperature-control media, and solvent. When coal is cleaned in wet-processing circuits, waste streams containing water, fine coal, and noncombustible particles (ash-forming minerals) are produced. In many coal preparation plants, the fine waste stream is fed into a series of selection processes where fine coal particles are recovered from the mixture to form diluted coal fine slurries. A dewatering process is then needed to reduce the water content to about 15%-20% so that the product is marketable. However, in the dewatering process currently used in coal preparation plants, coal fines smaller than 45 micrometers are lost, and in many other plants, coal fines up to 100 micrometers are also wasted. These not-recovered coal fines are mixed with water and mineral particles of the similar particle size range and discharged to impoundment. The wasted water from coal preparation plants containing unrecoverable coal fine and mineral particles are called tailings. With time the amount of wastewater accumulates occupying vast land space while it appears as threat to the environment. This project developed a special extruder and demonstrated its application in solid-liquid separation of coal slurry, tailings containing coal fines mostly less than 50 micron. The extruder is special because all of its auger surface and the internal barrier surface are covered with the membranes allowing water to drain and solid particles retained. It is believed that there are four mechanisms working together in the dewatering process. They are hydrophilic diffusion flow, pressure flow, agitation and air purging. Hydrophilic diffusion flow is effective with hydrophilic membrane. Pressure flow is due to the difference of hydraulic pressure between the two sides of the membrane. Agitation is provided by the rotation of the auger. Purging is achieved with the air blow from the near bottom of the extruder, which is in vertical direction.

  14. Quarterly Review of Methane from Coal Seams Technology. Volume 8, Number 3, April 1991. Rept. for Jul-Sep 90

    SciTech Connect (OSTI)

    McBane, R.A.; Schwochow, S.D.; Stevens, S.H.

    1991-01-01T23:59:59.000Z

    Contents include reports on: Powder River Basin, Wyoming and Montana; Greater Green River Coal Region, Wyoming and Colorado; Uinta Basin, Utah; Piceance Basin, Colorado; San Juan Basin, Colorado and New Mexico; Raton Basin, Colorado and New Mexico; Black Warrior Basin, Alabama; Experimental Fracturing and Propping of Coal-Implications for Hydraulic Fracture Design; Western Cretaceous Coal Seams Project; Multiple Coal Seams Project; Coalbed Methane Technology Development in the Appalachian Basin; Reservoir Engineering and Analysis and Geologic Evaluation of Critical Production Parameters for Coalbed Methane Resources.

  15. Advanced Coal Conversion Process Demonstration Project

    SciTech Connect (OSTI)

    Not Available

    1992-04-01T23:59:59.000Z

    Western Energy Company (WECO) was selected by the Department of Energy (DOE) to demonstrate the Advanced Coal Conversion Process (ACCP) which upgrades low rank coals into high Btu, low sulfur, synthetic bituminous coal. As specified in the Corporate Agreement, RSCP is required to develop an Environmental Monitoring Plan (EMP) which describes in detail the environmental monitoring activities to be performed during the project execution. The purpose of the EMP is to: (1) identify monitoring activities that will be undertaken to show compliance to applicable regulations, (2) confirm the specific environmental impacts predicted in the National Environmental Policy Act documentation, and (3) establish an information base of the assessment of the environmental performance of the technology demonstrated by the project. The EMP specifies the streams to be monitored (e.g. gaseous, aqueous, and solid waste), the parameters to be measured (e.g. temperature, pressure, flow rate), and the species to be analyzed (e.g. sulfur compounds, nitrogen compounds, trace elements) as well as human health and safety exposure levels. The operation and frequency of the monitoring activities is specified, as well as the timing for the monitoring activities related to project phase (e.g. preconstruction, construction, commissioning, operational, post-operational). The EMP is designed to assess the environmental impacts and the environmental improvements resulting from construction and operation of the project.

  16. Proceedings of the eleventh annual underground coal gasification symposium

    SciTech Connect (OSTI)

    Not Available

    1985-12-01T23:59:59.000Z

    The Eleventh Annual Underground Coal Gasification Symposium was sponsored by the Laramie Project Office of the Morgantown Energy Technology Center, US Department of Energy, and hosted by the Western Research Institute, University of Wyoming research Corporation, in Denver, Colorado, on August 11 to 14, 1985. The five-session symposium included 37 presentations describing research on underground coal gasification (UCG) being performed throughout the world. Eleven of the presentations were from foreign countries developing UCG technology for their coal resources. The papers printed in the proceedings have been reproduced from camera-ready manuscripts furnished by the authors. The papers have not been refereed, nor have they been edited extensively. All papers have been processed for inclusion in the Energy Data Base.

  17. In-situ coal gasification: a new technology

    SciTech Connect (OSTI)

    Agarwal, A.K.; Zielinski, R.E.; Seabaugh, P.W.; Liberatore, A.J.; Martin, J.W.

    1982-01-01T23:59:59.000Z

    While the technology for underground gasification of Western US subbituminous coals is advancing through efforts at the Hanna and Hoe Creek test sites, the development of an Eastern bituminous coal technology has only begun. The Pricetown 1 field test proved the feasibility of gasifying the thin-seam, swelling bituminous coal resources. Key issues remaining to be demonstrated include an effective linkage method, means of controlling gas production and composition, and scale-up. A major field-test program could entail three phases: (1) resolving the linkage and process control problems in the Appalachian basin, (2) assessing the technology in the untested Illinois basin, and (3) testing a multimodule commercial-scale prototype.

  18. Continual Learning

    Broader source: Energy.gov [DOE]

    Continual Learning is a change initiative which is used to help develop and grow a learning culture within DOE.

  19. Advanced Coal Wind Hybrid: Economic Analysis

    E-Print Network [OSTI]

    Phadke, Amol

    2008-01-01T23:59:59.000Z

    located in Wyoming using PRB coal. These costs take intolocated in Wyoming using PRB coal and take into account the2007 forecast for coal prices for PRB coal. Transmission We

  20. Enhanced Combustion Low NOx Pulverized Coal Burner

    SciTech Connect (OSTI)

    Ray Chamberland; Aku Raino; David Towle

    2006-09-30T23:59:59.000Z

    For more than two decades, ALSTOM Power Inc. (ALSTOM) has developed a range of low cost, in-furnace technologies for NOx emissions control for the domestic U.S. pulverized coal fired boiler market. This includes ALSTOM's internally developed TFS 2000 firing system, and various enhancements to it developed in concert with the U.S. Department of Energy (DOE). As of 2004, more than 200 units representing approximately 75,000 MWe of domestic coal fired capacity have been retrofit with ALSTOM low NOx technology. Best of class emissions range from 0.18 lb/MMBtu for bituminous coals to 0.10 lb/MMBtu for subbituminous coals, with typical levels at 0.24 lb/MMBtu and 0.13 lb/MMBtu, respectively. Despite these gains, NOx emissions limits in the U.S. continue to ratchet down for new and existing (retrofit) boiler equipment. If enacted, proposed Clear Skies legislation will, by 2008, require an average, effective, domestic NOx emissions rate of 0.16 lb/MMBtu, which number will be reduced to 0.13 lb/MMBtu by 2018. Such levels represent a 60% and 67% reduction, respectively, from the effective 2000 level of 0.40 lb/MMBtu. Low cost solutions to meet such regulations, and in particular those that can avoid the need for a costly selective catalytic reduction system (SCR), provide a strong incentive to continue to improve low NOx firing system technology to meet current and anticipated NOx control regulations. In light of these needs, ALSTOM, in cooperation with the DOE, is developing an enhanced combustion, low NOx pulverized coal burner which, when integrated with ALSTOM's state-of-the-art, globally air staged low NOx firing systems, will provide a means to achieve less than 0.15 lb/MMBtu NOx at less than 3/4 the cost of an SCR with low to no impact on balance of plant issues when firing a high volatile bituminous coal. Such coals can be more economic to fire than subbituminous or Powder River Basin (PRB) coals, but are more problematic from a NOx control standpoint as existing firing system technologies do not provide a means to meet current or anticipated regulations absent the use of an SCR. The DOE/ALSTOM program performed large pilot scale combustion testing in ALSTOM's Industrial Scale Burner Facility (ISBF) at its U.S. Power Plant Laboratories facility in Windsor, Connecticut. During this work, the near-field combustion environment was optimized to maximize NOx reduction while minimizing the impact on unburned carbon in ash, slagging and fouling, corrosion, and flame stability/turn-down under globally reducing conditions. Initially, ALSTOM utilized computational fluid dynamic modeling to evaluate a series of burner and/or near field stoichiometry controls in order to screen promising design concepts in advance of the large pilot scale testing. The third and final test, to be executed, will utilize several variants of the best nozzle tip configuration and compare performance with 3 different coals. The fuels to be tested will cover a wide range of coals commonly fired at US utilities. The completion of this work will provide sufficient data to allow ALSTOM to design, construct, and demonstrate a commercial version of an enhanced combustion low NOx pulverized coal burner. A preliminary cost/performance analysis of the developed enhanced combustion low NOx burner applied to ALSTOM's state-of-the-art TFS 2000 firing system was performed to show that the burner enhancements is a cost effective means to reduce NOx.

  1. Coal Problems 1. Name two examples of clean coal technology and in what manner do they clean the coal?

    E-Print Network [OSTI]

    Bowen, James D.

    Coal Problems 1. Name two examples of clean coal technology and in what manner do they clean the coal? a. Coal Washing- Crushing coal then mixing it with a liquid to allow the impurities to settle. b burning coal altogether. With integrated gasification combined cycle (IGCC) systems, steam and hot

  2. Method of extracting coal from a coal refuse pile

    DOE Patents [OSTI]

    Yavorsky, Paul M. (Monongahela, PA)

    1991-01-01T23:59:59.000Z

    A method of extracting coal from a coal refuse pile comprises soaking the coal refuse pile with an aqueous alkali solution and distributing an oxygen-containing gas throughout the coal refuse pile for a time period sufficient to effect oxidation of coal contained in the coal refuse pile. The method further comprises leaching the coal refuse pile with an aqueous alkali solution to solubilize and extract the oxidized coal as alkali salts of humic acids and collecting the resulting solution containing the alkali salts of humic acids. Calcium hydroxide may be added to the solution of alkali salts of humic acid to form precipitated humates useable as a low-ash, low-sulfur solid fuel.

  3. DESULFURIZATION OF COAL MODEL COMPOUNDS AND COAL LIQUIDS

    E-Print Network [OSTI]

    Wrathall, James Anthony

    2011-01-01T23:59:59.000Z

    of coal sulfur K-T gasification process SRC I process U. S.flow sheet of a K-T coal gasification complex for producingProduction via K-T Gasification" © CEP Aug. 78. Feed

  4. Petrographic characterization of Kentucky coals. Quarterly progress report, December 1982 to February 1983

    SciTech Connect (OSTI)

    Hower, J.C.; Ferm, J.C.; Cobb, J.C.; Trinkle, E.J.; Frankie, K.A.; Poe, S.H.; Baynard, D.N.; Graese, A.M.; Raione, R.P.

    1983-01-01T23:59:59.000Z

    The project Petrographic characterization of Kentucky coals consists of three specific areas of coal petrology: spectral fluorescence of liptinite macerals, properties of semi-inert macerals, and size/form/microlithotype association of pyrite/marcasite. Additional research on the Mannington and Dunbar coals in western Kentucky and the Alma coal zone in eastern Kentucky will apply techniques developed in the first three areas. Suites of coals from other states will also be studied to expand the variability in the sample set. Due to the discrete nature of the projects, the final reports will be submitted in several parts. The first report on spectral fluorescence is in development and should be submitted prior to the end of the project. The other reports will be submitted shortly after the end of the project.

  5. Kinetics of coal pyrolysis and devolatilization

    SciTech Connect (OSTI)

    Not Available

    1986-01-01T23:59:59.000Z

    Research continued on coal devolatilization. Results are presented for rapid devolatilization experiments performed with the 20 -- 30 micron size cut of the reference coal - PSOC 1451D - a high volatile bituminous, Appalachian Province coal. In agreement with behavior observed in rapid, radiant transient heating experiments -flash lamp - and moderate heating rate - heated grid - experiments for the same coal, the devolatilization process is observed to occur in four distinct phases: intraparticle heavy hydrocarbon detachment and transport; heavy hydrocarbon desorption; low temperature reformation reactions producing light gases; high temperature secondary reactions of tars and char degassing. Mass fraction yields light fast yields and tar and char characteristics are presented for a range of reactor temperatures which support the phenomenological picture. A phenomenological model is presented which indicates the distinct phases of devolatilization and the importance of heat transfer conditions on both the overall rate of particle mass loss and the observable volatiles product distribution. The approach taken to model heat transfer conditions in each of the devolatilization reactors employed in the overall investigation is outlined. Predicted weight loss results are shown for three different sets of overall devolatilization kinetic parameters given heat transfer conditions in the UTRC Hot Wall - Hot Gas reactor. 47 figs., 1 tab.

  6. Advanced Coal Wind Hybrid: Economic Analysis

    E-Print Network [OSTI]

    Phadke, Amol

    2008-01-01T23:59:59.000Z

    application of new clean coal technologies with near zeroapplication of new clean coal technologies with near zero

  7. Western Area Power Administration

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    29-30, 2011 2 Agenda * Overview of Western Area Power Administration * Post-1989 Loveland Area Projects (LAP) Marketing Plan * Energy Planning and Management Program * Development...

  8. CEMI Western Regional Summit

    Broader source: Energy.gov [DOE]

    Please Join Assistant Secretary of Energy Dr. David Danielson for the Clean Energy Manufacturing Initiative's Western Regional Summit. Register now for this free event.

  9. Composition and properties of coals from the Yurty coal occurrence

    SciTech Connect (OSTI)

    N.G. Vyazova; L.N. Belonogova; V.P. Latyshev; E.A. Pisar'kova [Irkutsk State University, Irkutsk (Russia). Research Institute of Oil and Coal Chemistry and Synthesis

    2008-10-15T23:59:59.000Z

    Coals from the Yurty coal occurrence were studied. It was found that the samples were brown non-coking coals with low sulfur contents (to 1%) and high yields of volatile substances. The high heat value of coals was 20.6-27.7 MJ/kg. The humic acid content varied from 5.45 to 77.62%. The mineral matter mainly consisted of kaolinite, a-quartz, and microcline. The concentration of toxic elements did not reach hazardous values.

  10. Geologic map and coal sections of the Pine Ridge quadrangle, Moffat County, Colorado

    SciTech Connect (OSTI)

    Prost, G.L.; Brownfield, M.E.

    1983-01-01T23:59:59.000Z

    The Pine Ridge quadrangle was mapped as part of the US Geological Survey's program of classifying and evaluating mineral lands in the public domain. Coal is the primary resource of econmic interest within the quadrangle and occurs in the Lance and Fort Union Formations. Several unsuccessful oil-and-gas wells have been drilled within the quadrangle. Possible uranium deposits may be found in the Browns Park Formation. Sand and gravel are also present in the quadrangle. The main coal zone in the Lance Formation is found near the middle and contains coal beds ranging in thickness from 0.17 to 0.94 m. These coal beds are discontinuous, grading laterally and vertically into carbonaceous shales. The middle coal zone in the Lance Formation appears to be continuous from east to west across the quadrangle. Coal beds approximately 0.1 m thick occur locally just above the base of the Lance. There are no coal mines or prospects within the formation. Coal beds in the Fort Union Formation, although generally thicker than the Lance coals, are extremely lenticular and irregular in distribution. The Fort Union coal zone is 22 to 51 m thick and the lowermost coal bed is 36 to 177 m above the basal Fort Union contact. Coal beds pinch and swell, are split by shale and sandstone partings, are cut out by river-channel sandstones, and grade laterally and vertically into carbonaceous shales. Inferred coal resources were calculated for the Fort Union Formation coals. An estimated 3278 ha are underlain by approximately 195 million metric tons. Resources were not calculated for coal beds in the Lance Formation.

  11. Coal combustion system

    DOE Patents [OSTI]

    Wilkes, Colin (Lebanon, IN); Mongia, Hukam C. (Carmel, IN); Tramm, Peter C. (Indianapolis, IN)

    1988-01-01T23:59:59.000Z

    In a coal combustion system suitable for a gas turbine engine, pulverized coal is transported to a rich zone combustor and burned at an equivalence ratio exceeding 1 at a temperature above the slagging temperature of the coal so that combustible hot gas and molten slag issue from the rich zone combustor. A coolant screen of water stretches across a throat of a quench stage and cools the combustible gas and molten slag to below the slagging temperature of the coal so that the slag freezes and shatters into small pellets. The pelletized slag is separated from the combustible gas in a first inertia separator. Residual ash is separated from the combustible gas in a second inertia separator. The combustible gas is mixed with secondary air in a lean zone combustor and burned at an equivalence ratio of less than 1 to produce hot gas motive at temperature above the coal slagging temperature. The motive fluid is cooled in a dilution stage to an acceptable turbine inlet temperature before being transported to the turbine.

  12. Program for large-scale underground-coal-gasification tests

    SciTech Connect (OSTI)

    Hammesfahr, F.W.; Winter, P.L.

    1982-11-01T23:59:59.000Z

    The continuing development of underground coal gasification technology requires extended multi-module field programs in which the output gas is linked to surface usage. This effort was to appraise whether existing surface facilities in the utility, petroleum refinery, or natural gas industries could be used to reduce the cost of such an extended multi-module test and whether regional demand in areas having underground coal gasification coal resources could support the manufacture of transportation fuels from underground coal gasification gases. To limit the effort to a reasonable level but yet to permit a fair test of the concept, effort was focused on five states, Illinois, New Mexico, Texas, Washington, and Wyoming, which have good underground coal gasification reserves. Studies of plant distribution located 25 potential sites within 3 miles of the underground coal gasification amenable reserves in the five states. Distribution was 44% to utilities, 44% to refineries, and 12% to gas processing facilities. The concept that existing surface facilities, currently or potentially gas-capable, might contribute to the development of underground coal gasification technology by providing a low cost industrial application for the gas produced in a multi-module test appears valid. To further test the concept, three industries were reviewed in depth. These were the electric utility, natural gas, and petroleum industries. When looking at a fuel substitution of the type proposed, each industry had its special perspective. These are discussed in detail in the report.

  13. (Basic properties of coals and other solids)

    SciTech Connect (OSTI)

    Not Available

    1991-11-25T23:59:59.000Z

    This report discusses basic properties of bituminous, subbituminous, and lignite coals. Properties of coal liquids are also investigated. Heats of immersion in strong acids are found for Pittsburgh {number sign}8, Illinois {number sign}6, and Wyodak coals. Production of coal liquids by distillation is discussed. Heats of titration of coal liquids and coal slurries are reported. (VC)

  14. Preliminary evaluation of resinite recovery from Illinois coal. Technical report, December 1, 1994--February 28, 1995

    SciTech Connect (OSTI)

    Crelling, J.C.

    1995-12-31T23:59:59.000Z

    Resinite is a naturally occurring substance found in coal and derived from original plant resins. It is ubiquitous in North American coals. It makes up one to four percent by volume of most Illinois coals. It has been commercially exploited in the western USA for use in adhesives, varnishes and thermal setting inks. The overall objective of this project is to compare the properties of the resinite contained in Illinois Basin coals to resinite being commercially exploited in the western United States, and to recover the resinite from Illinois coals by microbubble column floatation techniques. This project is relevant to priority 1.4A identified in ICCI/RFP93-1. The significance of this study is that it has the potential to show the way to recover a valuable chemical, resinite, from coal using only physical processing techniques. The value of the resinite at $1.00/kg or $0.50/lb makes it about fifty times more valuable than steam coal. The removal of resinite from coal does not decrease the value of the remaining coal in any way. The unique aspects are that: (1) it is the first examination of the resinite recovery potential of Illinois coal, (2) it integrates the latest characterization techniques such as density gradient centrifugation, microspectrofluorometry, and gas chromatography-mass spectrometry, and (3) it uses microbubble column flotation to determine the resinite recovery potential. During this quarter samples were obtained, information from both the databases of both the Illinois State Geological Survey (ISGS) and the Pennsylvania State University (PSU) was obtained and evaluated, and IBCSP samples from the Herrin No. 6, the Springfield No. 5 and the Colchester No. 2 seams were analyzed petrographically and the resinites in these samples were characterized by fluorescence spectral analysis.

  15. Preliminary evaluation of resinite recovery from Illinois coal. [Quarterly] technical report, September 1--November 30, 1994

    SciTech Connect (OSTI)

    Crelling, J.C. [Southern Illinois Univ., Carbondale, IL (United States). Dept. of Geology

    1994-12-31T23:59:59.000Z

    Resinite is a naturally occurring substance found in coal and derived from original plant resins. It is ubiquitous in North American coals. It makes up one to four percent by volume of most Illinois coals. It has been commercially exploited in the western USA for use in adhesives, varnishes and thermal setting inks. The overall objective of this project is to compare the properties of the resinite contained in Illinois Basin coals to resinite being commercially exploited in the western United States, and to recover the resinite from Illinois coals by microbubble column floatation techniques. The significance of this study is that it has the potential to show the way to recover a valuable chemical, resinite, from coal using only physical processing techniques. The value of the resinite at $1.00/kg or $0.50/lb makes it about fifty times more valuable than steam coal. The removal of resinite from coal does not decrease the value of the remaining coal in any way. The unique aspects are that: (1) it is the first examination of the resinite recovery potential of Illinois coal, (2) it integrates the latest characterization techniques such as density Gradient centrifugation, microspectrofluorometry, and gas chromatography- mass spectrometry, and (3) it uses microbubble column flotation to determine the resinite recovery potential. During this quarter samples were obtained, information from both the databases of both the Illinois State Geological Survey (ISGS) and the Pennsylvania State University (PSU) was obtained and evaluated, and EBCSP samples from the Herrin No. 6, the Springfield No. 5 and the Colchester No. 2 seams were analyzed petrographically and the resinites in these samples were characterized by fluorescence spectral analysis.

  16. An Evaluation of Low-BTU Gas from Coal as an Alternate Fuel for Process Heaters

    E-Print Network [OSTI]

    Nebeker, C. J.

    1982-01-01T23:59:59.000Z

    As the price gap between oil and natural gas and coal continues to widen, Monsanto has carefully searched out and examined opportunities to convert fuel use to coal. Preliminary studies indicate that the low-btu gas produced by fixed-bed, air blown...

  17. Heat Recovery from Coal Gasifiers

    E-Print Network [OSTI]

    Wen, H.; Lou, S. C.

    1981-01-01T23:59:59.000Z

    This paper deals with heat recovery from pressurized entrained and fixed bed coal gasifiers for steam generation. High temperature waste heat, from slagging entrained flow coal gasifier, can be recovered effectively in a series of radiant...

  18. The Caterpillar Coal Gasification Facility 

    E-Print Network [OSTI]

    Welsh, J.; Coffeen, W. G., III

    1983-01-01T23:59:59.000Z

    This paper is a review of one of America's premier coal gasification installations. The caterpillar coal gasification facility located in York, Pennsylvania is an award winning facility. The plant was recognized as the 'pace setter plant of the year...

  19. Surface Coal Mining Regulations (Mississippi)

    Broader source: Energy.gov [DOE]

    The Surface Coal Mining Regulations are a combination of permitting requirements and environmental regulations that limit how, where and when coal can be mined. It protects lands that are under...

  20. The world price of coal

    E-Print Network [OSTI]

    Ellerman, A. Denny

    1994-01-01T23:59:59.000Z

    A significant increase in the seaborne trade for coal over the past twenty years has unified formerly separate coal markets into a world market in which prices move in tandem. Due to its large domestic market, the United ...

  1. Low-rank coal research

    SciTech Connect (OSTI)

    Weber, G. F.; Laudal, D. L.

    1989-01-01T23:59:59.000Z

    This work is a compilation of reports on ongoing research at the University of North Dakota. Topics include: Control Technology and Coal Preparation Research (SO{sub x}/NO{sub x} control, waste management), Advanced Research and Technology Development (turbine combustion phenomena, combustion inorganic transformation, coal/char reactivity, liquefaction reactivity of low-rank coals, gasification ash and slag characterization, fine particulate emissions), Combustion Research (fluidized bed combustion, beneficiation of low-rank coals, combustion characterization of low-rank coal fuels, diesel utilization of low-rank coals), Liquefaction Research (low-rank coal direct liquefaction), and Gasification Research (hydrogen production from low-rank coals, advanced wastewater treatment, mild gasification, color and residual COD removal from Synfuel wastewaters, Great Plains Gasification Plant, gasifier optimization).

  2. Hydrogen from Coal Edward Schmetz

    E-Print Network [OSTI]

    Turbines Carbon Capture & Sequestration Carbon Capture & Sequestration The Hydrogen from Coal Program Cells, Turbines, and Carbon Capture & Sequestration #12;Production Goal for Hydrogen from Coal Central Separation System PSA Membrane Membrane Carbon Sequestration Yes (87%) Yes (100%) Yes (100%) Hydrogen

  3. Montana Coal Mining Code (Montana)

    Broader source: Energy.gov [DOE]

    The Department of Labor and Industry is authorized to adopt rules pertaining to safety standards for all coal mines in the state. The Code requires coal mine operators to make an accurate map or...

  4. 2009 Coal Age Buyers Guide

    SciTech Connect (OSTI)

    NONE

    2009-07-15T23:59:59.000Z

    The buyers guide lists more than 1200 companies mainly based in the USA, that provide equipment and services to US coal mines and coal preparation plants. The guide is subdivided by product categories.

  5. Final Report on Transmission Pricing in the Western Interconnection

    SciTech Connect (OSTI)

    Douglas C. Larson; Lawrence Nordell

    2003-06-25T23:59:59.000Z

    Under this project, the Committee on Regional Electric Power Cooperation (CREPC) of the Western Interstate Energy Board developed a ''western pricing and congestion management proposal'' in order to foster efficient wholesale power markets and efficient use and expansion of the transmission grid. Drafts of this paper provided useful information to states/provinces in the Western Interconnection as Western Regional Transmission Organization (RTO) transmission pricing proposals have continued to evolve. Throughout the project there has been a gradual, but incomplete agreement on pricing systems to be used by RTOs in the West.

  6. Hydroliquefaction of coal

    DOE Patents [OSTI]

    Sze, Morgan C. (Upper Montclair, NJ); Schindler, Harvey D. (Fairlawn, NJ)

    1982-01-01T23:59:59.000Z

    Coal is catalytically hydroliquefied by passing coal dispersed in a liquefaction solvent and hydrogen upwardly through a plurality of parallel expanded catalyst beds, in a single reactor, in separate streams, each having a cross-sectional flow area of no greater than 255 inches square, with each of the streams through each of the catalyst beds having a length and a liquid and gas superficial velocity to maintain an expanded catalyst bed and provide a Peclet Number of at least 3. If recycle is employed, the ratio of recycle to total feed (coal and liquefaction solvent) is no greater than 2:1, based on volume. Such conditions provide for improved selectivity to liquid product to thereby reduce hydrogen consumption. The plurality of beds are formed by partitions in the reactor.

  7. Healy Clean Coal Project

    SciTech Connect (OSTI)

    None

    1997-12-31T23:59:59.000Z

    The Healy Clean Coal Project, selected by the U.S. Department of Energy under Round 111 of the Clean Coal Technology Program, has been constructed and is currently in the Phase 111 Demonstration Testing. The project is owned and financed by the Alaska Industrial Development and Export Authority (AIDEA), and is cofunded by the U.S. Department of Energy. Construction was 100% completed in mid-November of 1997, with coal firing trials starting in early 1998. Demonstration testing and reporting of the results will take place in 1998, followed by commercial operation of the facility. The emission levels of nitrogen oxides (NOx), sulfur dioxide (S02), and particulate from this 50-megawatt plant are expected to be significantly lower than current standards.

  8. Pyrolysis of coal

    DOE Patents [OSTI]

    Babu, Suresh P. (Willow Springs, IL); Bair, Wilford G. (Morton Grove, IL)

    1992-01-01T23:59:59.000Z

    A method for mild gasification of crushed coal in a single vertical elongated reaction vessel providing a fluidized bed reaction zone, a freeboard reaction zone, and an entrained reaction zone within the single vessel. Feed coal and gas may be fed separately to each of these reaction zones to provide different reaction temperatures and conditions in each reaction zone. The reactor and process of this invention provides for the complete utilization of a coal supply for gasification including utilization of caking and non-caking or agglomerating feeds in the same reactor. The products may be adjusted to provide significantly greater product economic value, especially with respect to desired production of char having high surface area.

  9. Advanced coal-fueled industrial cogeneration gas turbine system

    SciTech Connect (OSTI)

    LeCren, R.T.; Cowell, L.H.; Galica, M.A.; Stephenson, M.D.; Wen, C.S.

    1991-07-01T23:59:59.000Z

    Advances in coal-fueled gas turbine technology over the past few years, together with recent DOE-METC sponsored studies, have served to provide new optimism that the problems demonstrated in the past can be economically resolved and that the coal-fueled gas turbine can ultimately be the preferred system in appropriate market application sectors. The objective of the Solar/METC program is to prove the technical, economic, and environmental feasibility of a coal-fired gas turbine for cogeneration applications through tests of a Centaur Type H engine system operated on coal fuel throughout the engine design operating range. The five-year program consists of three phases, namely: (1) system description; (2) component development; (3) prototype system verification. A successful conclusion to the program will initiate a continuation of the commercialization plan through extended field demonstration runs.

  10. Coal reserves in the United States and around the world

    SciTech Connect (OSTI)

    Jubert, K.; Masudi, H.

    1995-03-01T23:59:59.000Z

    There is an urgent need to examine the role that coal might play in meeting world energy needs during the next 20 years. Oil from the Organization of Petroleum Exporting Countries (OPEC) can no longer be relied upon to provide expanding supplies of energy, even with rapidly rising prices. Neither can nuclear energy be planned on for rapid expansion worldwide until present uncertainties about it are resolved. Yet, the world`s energy needs will continue to grow, even with vigorous energy conservation programs and with optimistic rates of expansion in the use of solar energy. Coal already supplies 25% of the world`s energy, its reserves are vast, and it is relatively inexpensive. This study, with the aid of reports from the World Coal Study (WOCOL) examines the needs for coal on a global scale, its availability past and present, and its future prospects.

  11. Sustainable development with clean coal

    SciTech Connect (OSTI)

    NONE

    1997-08-01T23:59:59.000Z

    This paper discusses the opportunities available with clean coal technologies. Applications include new power plants, retrofitting and repowering of existing power plants, steelmaking, cement making, paper manufacturing, cogeneration facilities, and district heating plants. An appendix describes the clean coal technologies. These include coal preparation (physical cleaning, low-rank upgrading, bituminous coal preparation); combustion technologies (fluidized-bed combustion and NOx control); post-combustion cleaning (particulate control, sulfur dioxide control, nitrogen oxide control); and conversion with the integrated gasification combined cycle.

  12. Ashing properties of coal blends

    SciTech Connect (OSTI)

    Biggs, D.L.

    1982-03-01T23:59:59.000Z

    The fusion properties of sulfur materials present in coals were investigated. The treatment of the samples of eleven different coals is described. Thermal treatment of low temperature ashing (LTA) concentrates of eight of the coals was performed, and raw and wash ashing curves were examined to determine what quantitative correlations, if any, exist between ashing parameters and rank of coal. The actual form of the function which describes the ashing curve is derived.

  13. Assessment of underground coal gasification in bituminous coals: potential UCG products and markets. Final report, Phase I

    SciTech Connect (OSTI)

    None

    1982-01-31T23:59:59.000Z

    The following conclusions were drawn from the study: (1) The US will continue to require new sources of energy fuels and substitutes for petrochemical feedstocks into the foreseeable future. Most of this requirement will be met using coal. However, the cost of mining, transporting, cleaning, and preparing coal, disposing of ash or slag and scrubbing stack gases continues to rise; particularly, in the Eastern US where the need is greatest. UCG avoids these pitfalls and, as such, should be considered a viable alternative to the mining of deeper coals. (2) Of the two possible product gases LBG and MBG, MBG is the most versatile. (3) The most logical use for UCG product in the Eastern US is to generate power on-site using a combined-cycle or co-generation system. Either low or medium Btu gas (LBG or MBG) can be used. (4) UCG should be an option whenever surface gasification is considered; particularly, in areas where deeper, higher sulfur coal is located. (5) There are environmental and social benefits to use of UCG over surface gasification in the Eastern US. (6) A site could be chosen almost anywhere in the Illinois and Ohio area where amenable UCG coal has been determined due to the existence of existing transportation or transmission systems. (7) The technology needs to be demonstrated and the potential economic viability determined at a site in the East-North-Central US which has commercial quantities of amenable bituminous coal before utilities will show significant interest.

  14. CONSORTIUM FOR CLEAN COAL UTILIZATION

    E-Print Network [OSTI]

    Subramanian, Venkat

    CONSORTIUM FOR CLEAN COAL UTILIZATION Call for Proposals Date of Issue: July 29, 2013 The Consortium for Clean Coal Utilization (CCCU) at Washington University in St. Louis was established in January of Clean Coal Utilization. The format may be a conference or workshop, or a seminar given by a leading

  15. Clean Coal Power Initiative

    SciTech Connect (OSTI)

    Doug Bartlett; Rob James; John McDermott; Neel Parikh; Sanjay Patnaik; Camilla Podowski

    2006-03-31T23:59:59.000Z

    This report is the fifth quarterly Technical Progress Report submitted by NeuCo, Incorporated, under Award Identification Number, DE-FC26-04NT41768. This award is part of the Clean Coal Power Initiative (''CCPI''), the ten-year, $2B initiative to demonstrate new clean coal technologies in the field. This report is one of the required reports listed in Attachment B Federal Assistance Reporting Checklist, part of the Cooperative Agreement. The report covers the award period January 1, 2006 - March 31, 2006 and NeuCo's efforts within design, development, and deployment of on-line optimization systems during that period.

  16. Underground coal gasification. Presentations

    SciTech Connect (OSTI)

    NONE

    2007-07-01T23:59:59.000Z

    The 8 presentations are: underground coal gasification (UCG) and the possibilities for carbon management (J. Friedmann); comparing the economics of UCG with surface gasification technologies (E. Redman); Eskom develops UCG technology project (C. Gross); development and future of UCG in the Asian region (L. Walker); economically developing vast deep Powder River Basin coals with UCG (S. Morzenti); effectively managing UCG environmental issues (E. Burton); demonstrating modelling complexity of environmental risk management; and UCG research at the University of Queensland, Australia (A.Y. Klimenko).

  17. EIA - Coal Distribution

    Annual Energy Outlook 2013 [U.S. Energy Information Administration (EIA)]

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645 3,625 1,006 492 742 33 111 1,613 122 40Coal Stocks at1,066,688 760,877 951,322 1,381,127byForms What'sAnnual Coal

  18. Coal-Producing Region

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645 3,625govInstrumentstdmadapInactiveVisiting the TWPSuccessAlamosCharacterization2Climate, OceanPublicationandCoal Coal.

  19. Create a Consortium and Develop Premium Carbon Products from Coal

    SciTech Connect (OSTI)

    Frank Rusinko; John Andresen; Jennifer E. Hill; Harold H. Schobert; Bruce G. Miller

    2006-01-01T23:59:59.000Z

    The objective of these projects was to investigate alternative technologies for non-fuel uses of coal. Special emphasis was placed on developing premium carbon products from coal-derived feedstocks. A total of 14 projects, which are the 2003 Research Projects, are reported herein. These projects were categorized into three overall objectives. They are: (1) To explore new applications for the use of anthracite in order to improve its marketability; (2) To effectively minimize environmental damage caused by mercury emissions, CO{sub 2} emissions, and coal impounds; and (3) To continue to increase our understanding of coal properties and establish coal usage in non-fuel industries. Research was completed in laboratories throughout the United States. Most research was performed on a bench-scale level with the intent of scaling up if preliminary tests proved successful. These projects resulted in many potential applications for coal-derived feedstocks. These include: (1) Use of anthracite as a sorbent to capture CO{sub 2} emissions; (2) Use of anthracite-based carbon as a catalyst; (3) Use of processed anthracite in carbon electrodes and carbon black; (4) Use of raw coal refuse for producing activated carbon; (5) Reusable PACs to recycle captured mercury; (6) Use of combustion and gasification chars to capture mercury from coal-fired power plants; (7) Development of a synthetic coal tar enamel; (8) Use of alternative binder pitches in aluminum anodes; (9) Use of Solvent Extracted Carbon Ore (SECO) to fuel a carbon fuel cell; (10) Production of a low cost coal-derived turbostratic carbon powder for structural applications; (11) Production of high-value carbon fibers and foams via the co-processing of a low-cost coal extract pitch with well-dispersed carbon nanotubes; (12) Use of carbon from fly ash as metallurgical carbon; (13) Production of bulk carbon fiber for concrete reinforcement; and (14) Characterizing coal solvent extraction processes. Although some of the projects funded did not meet their original goals, the overall objectives of the CPCPC were completed as many new applications for coal-derived feedstocks have been researched. Future research in many of these areas is necessary before implementation into industry.

  20. Co-firing High Sulfur Coal with Refuse Derived Fuels. Technical Progress Report {number_sign}11

    SciTech Connect (OSTI)

    Pan, Wei-Ping; Riley, John T.; Lloyd, William G.

    1997-05-31T23:59:59.000Z

    The objective of this quarter of study was to prepare fuel pellets containing PVC, newspaper and plastics to be co-fired with coal in the AFBC combustor. The Western Kentucky University atmospheric fluidized bed combustion system requires the fuel to fall from a bunker into a lock-hopper, and from there into a mixing box where the fuel is auger-fed under pressure into the bottom of the fluidized bed. The fuel must flow freely out of the bunker and through the lock- hopper for proper feeding into the combustor. In order for the fuel to continuously fall through these units and into the mixing box during combustion, the density of the fuel and the size of the particles must meet certain requirements. The particles must be no larger than 3/8 inches in diameter and must have a density approaching that of coal. Loose materials such as sawdust, shredded paper products and most shredded plastics do not feed properly in the WKU AFBC system. Bridging and blockage of feed chutes result, even with constant vibration of parts of the feed mechanism. It is not possible to run the AFBC system powered solely by these loose materials.

  1. Effects of climate, tectonism, and variations in sea level on formation of Cretaceous coals of North America

    SciTech Connect (OSTI)

    McCabe, P.J.; Brownfield, M.E.; Hansen, D.E.; Hettinger, R.D.; Kirschbaum, M.A.; Sanchez, D.

    1988-07-01T23:59:59.000Z

    Extensive deposits of Cretaceous coal-bearing strata are present in western North America, extending from the North Slope of Alaska to northern Mexico. Most of the Cretaceous sediments were derived from the active Cordillera region and were deposited in foreland basins on the western margin of the Western Interior seaway. A multidisciplinary study is in progress to document and attempt to explain the temporal and spatial distribution of the Cretaceous coals. The study examines the effects of variations of paleoclimate, tectonics, and relative sea level on a continentwide scale. In addition, coal quality is related to the regional depositional settings. Many aspects of coal quality (for example, maceral composition, ash content, sulfur content) are determined by the flora and hydrology of the mire in which the original peat accumulated. The existence of Cretaceous coals throughout the length of the Western Cordillera provides a unique opportunity to determine variations in mire type with climate over a range of 50/degrees/ of paleolatitude, and to examine the effects of these variations on coal quality. The relationships between coal beds and associated clastic facies should also be expected to change with varying mire types. Recent developments in their understanding of foreland basin evolution, Cretaceous sea level changes, and peat-forming environments make this an optimal time to begin a regional synthesis of North America's Cretaceous coals. Results of this study should aid the development of better predictive models of coal quality and seam thickness. These models will take into account the effects of major controls on sedimentation (climate, tectonics, sea level changes) rather than just the local depositional environment.

  2. Western Pacific Regional Summary Western Pacific

    E-Print Network [OSTI]

    Pacific Ocean) total of Pacific bigeye tuna landings reported in 2007. Currently, there are no catch share in the western and central Pacific Ocean and the Inter-American Tropical Tuna Commission (IATTC) is active in the eastern Pacific Ocean. Species under the purview of the WCPFC and IATTC migrate across international

  3. Western Pacific Regional Summary Western Pacific

    E-Print Network [OSTI]

    -central and eastern Pacific Ocean) total of Pacific bigeye tuna landings reported in 2007. Currently (WCPFC) is active in the western and central Pacific Ocean and the Inter-American Tropical Tuna Commission (IATTC) is active in the eastern Pacific Ocean. Species under the purview of the WCPFC and IATTC

  4. Fluorine in coal and coal by-products

    SciTech Connect (OSTI)

    Robertson, J.D.; Wong, A.S.; Hower, J.C. [Univ. of Kentucky, Lexington, KY (United States)

    1994-12-31T23:59:59.000Z

    Fluorine occurs in awe amounts in most coals. It is typically associated with minerals of the apatite group, principally fluorapatite and clays, and with fluorite, tourmaline, topaz, amphiboles and micas. The average fluorine content of US coal is, according to the tabulation of Swanson, 74 {mu}g/g. In the United States, the lowest average fluorine concentration of 30 {mu}g/g is found in coals from Eastern Kentucky and the highest average value of 160 {mu}g/g is found in coals from Wyoming and New Mexico. The concentration range of fluorine in European coals is similar to that found in the US while the average fluorine content of Australian coals ranges from 15 to 500 {mu}g/g. We have determined the fluorine content in coal and fly ash standards by proton-induced gamma ray emission analysis (PIGE).

  5. Coal slurry fuel supply and purge system

    DOE Patents [OSTI]

    McDowell, Robert E. (Fairview, PA); Basic, Steven L. (Hornell, NY); Smith, Russel M. (North East, PA)

    1994-01-01T23:59:59.000Z

    A coal slurry fuel supply and purge system for a locomotive engines is disclosed which includes a slurry recirculation path, a stand-by path for circulating slurry during idle or states of the engine when slurry fuel in not required by the engine, and an engine header fluid path connected to the stand-by path, for supplying and purging slurry fuel to and from fuel injectors. A controller controls the actuation of valves to facilitate supply and purge of slurry to and from the fuel injectors. A method for supplying and purging coal slurry in a compression ignition engine is disclosed which includes controlling fluid flow devices and valves in a plurality of fluid paths to facilitate continuous slurry recirculation and supply and purge of or slurry based on the operating state of the engine.

  6. Investigation of coal structure. Quarterly report No. 7, October 1, 1993--December 31, 1993

    SciTech Connect (OSTI)

    Not Available

    1994-01-01T23:59:59.000Z

    The objective of this project is to investigate the physical structure of coal illustrated. Coal structure should be well understood to guarantee effective utilization. A better understanding of this physical structure is the first step for effective development of coal utilization processes. Solvent swelling and extraction are the two main investigative probes in this project. No single solvent tested to date can disrupt all of the relatively strong secondary interactions in coal. Various relatively strong secondary interactions must be solvated step by step using appropriate procedures. If physical association is considerable, coal should be readily extracted. Physical association will be evaluated by coal swelling using conventional and new methods. To investigate the effects of low coal concentration and continuous mixing, a new method will be developed. The focus of the work was directed toward a specific bituminous coal low in sulfur and iron. Blind Canyon (DECS-16) coal obtained from the Penn State Coal Bank has been used in this project. Contract activities for this period are: (1) The swelling kinetics were evaluated by conventional procedures using glass tubes. Diffusion of solvent into the coal was small, and solvation of intra- and intermolecular interactions was the rate determining step for swelling. (2) A newly established technique using laser scattering has been used to evaluate interparticle aggregation and swelling. It was observed that particles from certain fractions of specific coals were selectively aggregated in particular solvents. (3) Pyridine extractability after soaking in phenol at 200--250{degrees}C was studied. Approximately 70 wt % of Blind Canyon (DECS-16) coal was extracted under the optimum condition. A significant amount of phenol, however, was physically retained. (4) The associated molecular structure of coal proposed has been supported by associative equilibria during soaking in poor and good solvents.

  7. Planning for coal power plant transition : lessons learned from communities in Massachusetts

    E-Print Network [OSTI]

    Nochur, Aditya Kumar

    2013-01-01T23:59:59.000Z

    As coal-fired power plants across the U.S. are retiring in increasing numbers - a trend likely to continue in the years ahead - the communities that host these plants will play a critical role in balancing local concerns ...

  8. The competition between coal and natural gas : the importance of sunk costs

    E-Print Network [OSTI]

    Ellerman, A. Denny

    1996-01-01T23:59:59.000Z

    This paper explores the seeming paradox between the predominant choice of natural gas for capacity additions to generate electricity in the United States and the continuing large share of coal in meeting incremental ...

  9. Biochemical transformation of coals

    DOE Patents [OSTI]

    Lin, M.S.; Premuzic, E.T.

    1999-03-23T23:59:59.000Z

    A method of biochemically transforming macromolecular compounds found in solid carbonaceous materials, such as coal is provided. The preparation of new microorganisms, metabolically weaned through challenge growth processes to biochemically transform solid carbonaceous materials at extreme temperatures, pressures, pH, salt and toxic metal concentrations is also disclosed. 7 figs.

  10. Catalytic coal liquefaction process

    DOE Patents [OSTI]

    Garg, D.; Sunder, S.

    1986-12-02T23:59:59.000Z

    An improved process for catalytic solvent refining or hydroliquefaction of non-anthracitic coal at elevated temperatures under hydrogen pressure in a solvent comprises using as catalyst a mixture of a 1,2- or 1,4-quinone and an alkaline compound, selected from ammonium, alkali metal, and alkaline earth metal oxides, hydroxides or salts of weak acids. 1 fig.

  11. National Coal Quality Inventory (NACQI)

    SciTech Connect (OSTI)

    Robert Finkelman

    2005-09-30T23:59:59.000Z

    The U.S. Geological Survey (USGS) conducted the National Coal Quality Inventory (NaCQI) between 1999 and 2005 to address a need for quality information on coals that will be mined during the next 20-30 years. Collaboration between the USGS, State geological surveys, universities, coal burning utilities, and the coal mining industry plus funding support from the Electric Power Research Institute (EPRI) and the U.S. Department of Energy (DOE) permitted collection and submittal of coal samples for analysis. The chemical data (proximate and ultimate analyses; major, minor and trace element concentrations) for 729 samples of raw or prepared coal, coal associated shale, and coal combustion products (fly ash, hopper ash, bottom ash and gypsum) from nine coal producing States are included. In addition, the project identified a new coal reference analytical standard, to be designated CWE-1 (West Elk Mine, Gunnison County, Colorado) that is a high-volatile-B or high-volatile-A bituminous coal with low contents of ash yield and sulfur, and very low, but detectable contents of chlorine, mercury and other trace elements.

  12. assessing coal combustion: Topics by E-print Network

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    from pulverized coal pulverized-coal-fired furnaces, cyclone furnaces, or advanced clean-coal technology furnaces. The ash collected from pulverized-coal-fired furnaces is fly...

  13. advanced coal combustion: Topics by E-print Network

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    from pulverized coal pulverized-coal-fired furnaces, cyclone furnaces, or advanced clean-coal technology furnaces. The ash collected from pulverized-coal-fired furnaces is fly...

  14. apec coal flow: Topics by E-print Network

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    from pulverized coal pulverized-coal-fired furnaces, cyclone furnaces, or advanced clean-coal technology furnaces. The ash collected from pulverized-coal-fired furnaces is fly...

  15. alkaline coal ash: Topics by E-print Network

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    from pulverized coal pulverized-coal-fired furnaces, cyclone furnaces, or advanced clean-coal technology furnaces. The ash collected from pulverized-coal-fired furnaces is fly...

  16. advanced slagging coal: Topics by E-print Network

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    from pulverized coal pulverized-coal-fired furnaces, cyclone furnaces, or advanced clean-coal technology furnaces. The ash collected from pulverized-coal-fired furnaces is fly...

  17. Coal-oil slurry preparation

    DOE Patents [OSTI]

    Tao, John C. (Perkiomenville, PA)

    1983-01-01T23:59:59.000Z

    A pumpable slurry of pulverized coal in a coal-derived hydrocarbon oil carrier which slurry is useful as a low-ash, low-sulfur clean fuel, is produced from a high sulfur-containing coal. The initial pulverized coal is separated by gravity differentiation into (1) a high density refuse fraction containing the major portion of non-coal mineral products and sulfur, (2) a lowest density fraction of low sulfur content and (3) a middlings fraction of intermediate sulfur and ash content. The refuse fraction (1) is gasified by partial combustion producing a crude gas product from which a hydrogen stream is separated for use in hydrogenative liquefaction of the middlings fraction (3). The lowest density fraction (2) is mixed with the liquefied coal product to provide the desired fuel slurry. Preferably there is also separately recovered from the coal liquefaction LPG and pipeline gas.

  18. Atmospheric fluidized-bed combustion testing of western Kentucky limestones

    SciTech Connect (OSTI)

    Zimmerman, G.P.; Holcomb, R.S.; Guymon, R.H.

    1982-09-01T23:59:59.000Z

    The Oak Ridge National Laboratory (ORNL) is studying and testing the burning of coal in an atmospheric fluidized-bed combustor (AFBC) as a means of generating electricity and/or process heat in an environmentally acceptable manner. The abundant, high-sulfur coal resources in this country can be utilized effectively in such a system. The ORNL test program supporting the 20-MW(e) AFBC pilot plant planned for operation by the Tennessee Valley Authority (TVA) in 1982 is described. During the test program 625 hours of coal combustion were accumulated in a 25-cm-diam bench scale AFBC. The fuel was Kentucky No. 9 coal with about 4% sulfur. Five different limestones from the Western Kentucky area were tested for their ability to reduce sulfur dioxide emissions. The bench scale combustor was operated under a variety of conditions including changes in bed temperature, bed height and superficial velocity. At a superficial velocity of 1.2 m/s, four of the five limestones achieved 90% sulfur retention with weight ratios of limestone feed to coal feed near 0.40:1 under no recycle (once through) operation. Carbon utilization (based on carbon loss data) averaged 84% for these tests. Two of the more promising stones were tested by recycling the material elutriated from the combustor. The amount of fresh limestone required for 90% sulfur retention was reduced by up to 50%. Carbon utilization approaching 98% was obtained under these conditions.

  19. Electrostatic beneficiation of coal. Quarterly technical progress report, January 1, 1994--March 31, 1994

    SciTech Connect (OSTI)

    Mazumder, M.K.

    1994-04-28T23:59:59.000Z

    Electrostatic beneficiation of dry coal has received significant attention in the last decade. In this process the coal is ground and then charged, either by corona charging or by triboelectrification (friction charging). Coal and minerals receive different levels of charge -- often opposite polarities in the case of triboelectrification -- and can then be separated based on differences in electrical mobility. Problems associated with the techniques include rapid deposition of particles on the electrodes, thus, effecting further separation. The goal of this project is to optimize the electrostatic coal cleaning process to remove pyrites and inorganic materials through studies of the electrostatic properties of powdered coal, in-situ measurements of the electrodynamics of coal and mineral particles inside the separator, and development of self-cleaning collector plates for continuous separation.

  20. The development of coal-based technologies for Department of Defense facilities. Technical progress report, September 1995 - March 1996

    SciTech Connect (OSTI)

    Miller, B.G.; Pisupati, S.V.; Scaroni, A.W. [and others

    1996-10-01T23:59:59.000Z

    The U.S. Department of Defense (DOD), through an Interagency Agreement with the U.S. Department of Energy (DOE), has initiated a three-phase program with the Consortium for Coal-Water Slurry Fuel Technology, with the aim of decreasing DOD`s reliance on imported oil by increasing its use of coal. The program is being conducted as a cooperative agreement between the Consortium and DOE. Activities this reporting period are summarized by phase. During this reporting period, the Phase I final report was completed. Work in Phase II focused on emissions reductions, coal beneficiation/preparation studies, and economic analyses of coal use. Emissions reductions investigations included completing a study to identify appropriate SO{sub 2} and NO{sub x} control technologies for coal-fired industrial boilers. In addition, work continued on the design of a ceramic filtering device for installation on the demonstration boiler. The ceramic filtering device will be used to demonstrate a smaller and more efficient filtering device for retrofit applications. Work related to coal preparation and utilization, and the economic analysis was primarily focused on preparing the final report. Work in Phase III focused on coal preparation studies and economic analyses of coal use. Coal preparation studies were focused on continuing activities on particle size control, physical separations, surface-based separation processes, and dry processing. The economic study focused on community sensitivity to coal usage, regional economic impacts of new coal utilization technologies, and constructing a national energy portfolio.

  1. Coal Reburning for Cyclone Boiler NO[sub x] Control Demonstration

    SciTech Connect (OSTI)

    Not Available

    1992-01-01T23:59:59.000Z

    The project involves retrofitting/testing the reburning technology at Wisconsin Power Light's 100 MWe Nelson Dewey unit No. 2 in Cassville, Wisconsin to determine the commercial applicability of this technology to reduce NO[sub x] emission levels. The final set of performance tests on Lamar coal were carried out from September 27 through October 9, 1992. Hazardous air pollutant (HAP) testing was performed on Lamar coal from November 2 through November 9, 1992. Also, parametric optimization testing on western sub-bituminous coal was performed from November 16 through December 11, 1992. Both the HAP and western fuel testing were additions to the original project testing scope of Phase III. As of the end of this quarterly report period, project Phase III testing is complete. Preliminary results with western sub-bituminous coal indicate NO[sub 4] reductions in excess of 50% down to the 50% load range. In general, similar reductions are experienced but at a less aggressive stoichiometry in the reburn zone. Accordingly, an additional few percent of NO[sub 4] reduction at the same stoichiometry are noted with the western fuel compared to Lamar results.

  2. Automated control for coal handling operations at Bethlehem Steel, Burns Harbor Division

    SciTech Connect (OSTI)

    Zendzian, T.N. [Bethlehem Steel Corp., Chesterton, IN (United States). Burns Harbor Div.

    1997-12-31T23:59:59.000Z

    The Burns Harbor coal handling operation processes 7,200 tons of coal per day to supply two 82 oven, six meter batteries. The operations in coal handling are subdivided into three separate sections: the coal field and stacker reclaimer operation, the crushing and storage of coal, and the coal blending operation. In 1996 a supervisory system was developed and installed to fully automate all the operations and equipment in the coal handling unit, add additional instrumentation and logic controls to prevent coal contamination, and improve data collection and logging. The supervisory system is operated from a computer based workstation and is based on a distributed control philosophy utilizing programmable logic controllers, set point controllers, and man-machine interface displays. The previous control system for the coal handling operation consisted of a switchboard from which an operator controller the set up and running of the conveyor systems and equipment to stack, reclaim, and blend coal. The new supervisory system was installed in parallel with the original control system to safeguard continued operation during the system installation and commissioning. The original system still exists and can be operated in even of failure of the supervisory system.

  3. Continuity Programs

    Broader source: Directives, Delegations, and Requirements [Office of Management (MA)]

    2008-05-08T23:59:59.000Z

    The order provides requirements and responsibilities to ensure that the Department is ready to respond promptly, efficiently, and effectively to a continuity event involving facilities, activities, or operations. No cancellation. Canceled by DOE O 150.1A.

  4. Continuity Programs

    Broader source: Directives, Delegations, and Requirements [Office of Management (MA)]

    2014-03-31T23:59:59.000Z

    The order provides requirements and responsibilities to ensure that the Department is ready to respond promptly, efficiently, and effectively to a continuity event involving facilities, activities, or operations. Cancels DOE O 150.1.

  5. Eight Advanced Coal Projects Chosen for Further Development by DOE's University Coal Research Program

    Broader source: Energy.gov [DOE]

    DOE has selected eight new projects to further advanced coal research under the University Coal Research Program. The selected projects will improve coal conversion and use and will help propel technologies for future advanced coal power systems.

  6. Coal-fueled diesel engines for locomotive applications

    SciTech Connect (OSTI)

    Hsu, B.D.; Najewicz, D.J.; Cook, C.S.

    1993-11-01T23:59:59.000Z

    GE Transportation Systems (GE/TS) completed a two and one half year study into the economic viability of a coal fueled locomotive. The coal fueled diesel engine was deemed to be one of the most attractive options. Building on the BN-NS study, a proposal was submitted to DOE to continue researching economic and technical feasibility of a coal fueled diesel engine for locomotives. The contract DE-AC21-85MC22181 was awarded to GE Corporate Research and Development (GE/CRD) for a three year program that began in March 1985. This program included an economic assessment and a technical feasibility study. The economic assessment study examined seven areas and their economic impact on the use of coal fueled diesels. These areas included impact on railroad infrastructure, expected maintenance cost, environmental considerations, impact of higher capital costs, railroad training and crew costs, beneficiated coal costs for viable economics, and future cost of money. The results of the study indicated the merits for development of a coal-water slurry (CWS) fueled diesel engine. The technical feasibility study examined the combustion of CWS through lab and bench scale experiments. The major accomplishments from this study have been the development of CWS injection hardware, the successful testing of CWS fuel in a full size, single cylinder, medium speed diesel engine, evaluation of full scale engine wear rates with metal and ceramic components, and the characterization of gaseous and particulate emissions.

  7. Moist caustic leaching of coal

    DOE Patents [OSTI]

    Nowak, Michael A. (Elizabeth, PA)

    1994-01-01T23:59:59.000Z

    A process for reducing the sulfur and ash content of coal. Particulate coal is introduced into a closed heated reaction chamber having an inert atmosphere to which is added 50 mole percent NaOH and 50 mole percent KOH moist caustic having a water content in the range of from about 15% by weight to about 35% by weight and in a caustic to coal weight ratio of about 5 to 1. The coal and moist caustic are kept at a temperature of about 300.degree. C. Then, water is added to the coal and caustic mixture to form an aqueous slurry, which is washed with water to remove caustic from the coal and to produce an aqueous caustic solution. Water is evaporated from the aqueous caustic solution until the water is in the range of from about 15% by weight to about 35% by weight and is reintroduced to the closed reaction chamber. Sufficient acid is added to the washed coal slurry to neutralize any remaining caustic present on the coal, which is thereafter dried to produce desulfurized coal having not less than about 90% by weight of the sulfur present in the coal feed removed and having an ash content of less than about 2% by weight.

  8. Coal slurries: An environmental bonus

    SciTech Connect (OSTI)

    Basta, N.; Moore, S.; Ondrey, G.

    1994-05-01T23:59:59.000Z

    Developers and promoters of coal-water slurries and similar CWF (coal-water fuel) technologies have had a hard time winning converts since they unveiled their first commercial processes in the 1970s. The economic appeal of such processes, marginal at best, varies with the price of oil. Nevertheless, the technology is percolating, as geopolitics and environmental pressures drive new processes. Such fuels are becoming increasingly important to coal-rich, oil-poor nations such as China, as they attempt to build an onshore fuel supply. Meanwhile, improvements are changing the way coal-fired processes are viewed. Where air pollution regulations once discouraged the use of coal fuels, new coal processes have been developed that cut nitrous oxides (NOx) emissions and provide a use for coal fines, previously viewed as waste. The latest developments in the field were all on display at the 19th International Technical Conference on Coal Utilization and Fuel Systems, held in Clearwater, Fla., on March 21--24. At this annual meeting, sponsored by the Coal and Slurry Technology Association, (Washington, D.C.) and the Pittsburgh Energy Technology Center of the US Dept. of Energy (PETC), some 200 visitors from around the work gathered to discuss the latest developments in coal slurry utilization--new and improved processes, and onstream plants. This paper presents highlights from the conference.

  9. Process for changing caking coals to noncaking coals

    DOE Patents [OSTI]

    Beeson, Justin L. (Woodridge, IL)

    1980-01-01T23:59:59.000Z

    Caking coals are treated in a slurry including alkaline earth metal hydroxides at moderate pressures and temperatures in air to form noncaking carbonaceous material. Hydroxides such as calcium hydroxide, magnesium hydroxide or barium hydroxide are contemplated for slurrying with the coal to interact with the agglomerating constituents. The slurry is subsequently dewatered and dried in air at atmospheric pressure to produce a nonagglomerating carbonaceous material that can be conveniently handled in various coal conversion and combustion processes.

  10. CO2 SEQUESTRATION POTENTIAL OF TEXAS LOW-RANK COALS

    SciTech Connect (OSTI)

    Duane A. Mcvay; Walter B. Ayers, Jr.; Jerry L. Jensen

    2004-02-01T23:59:59.000Z

    The objectives of this project are to evaluate the feasibility of carbon dioxide (CO{sub 2}) sequestration in Texas low-rank coals and to determine the potential for enhanced coalbed methane (CBM) recovery as an added benefit of sequestration. The primary objectives for this reporting period were to construct a coal geological model for reservoir analysis and to continue modeling studies of CO{sub 2} sequestration performance in coalbed methane reservoirs under various operational conditions. Detailed correlation of coal zones is important for reservoir analysis and modeling. Therefore, we interpreted and created isopleth maps of coal occurrences, and correlated individual coal seams within the coal bearing subdivisions of the Wilcox Group--the Hooper, Simsboro and Calvert Bluff formations. Preliminary modeling studies were run to determine if gravity effects would affect the performance of CO{sub 2} sequestration in coalbed methane reservoirs. Results indicated that gravity could adversely affect sweep efficiency and, thus, volumes of CO{sub 2} sequestered and methane produced in thick, vertically continuous coals. Preliminary modeling studies were also run to determine the effect of injection gas composition on sequestration in low-rank coalbeds. Injected gas composition was varied from pure CO{sub 2} to pure N{sub 2}, and results show that increasing N{sub 2} content degrades CO{sub 2} sequestration and methane production performance. We have reached a Data Exchange Agreement with Anadarko Petroleum Corporation. We are currently incorporating the Anadarko data into our work, and expect these data to greatly enhance the accuracy and value of our studies.

  11. Autothermal coal gasification

    SciTech Connect (OSTI)

    Konkol, W.; Ruprecht, P.; Cornils, B.; Duerrfeld, R.; Langhoff, J.

    1982-03-01T23:59:59.000Z

    This paper presents test results of a pilot plant study of coal gasification system based on the process developed by Texaco. This process has been improved by the project partners Ruhrchenie A.G. and Ruhrkohle A.C. in West Germany and tested in a demonstration plant that operated for more than 10,000 hours, converting over 50,000 tons of coal into gas. The aim was to develop a process that would be sufficiently flexible when used at the commercial level to incorporate all of the advantages inherent in the diverse processes of the 'first generation' - fixed bed, fluidized bed and entrained bed processes - but would be free of the disadvantages of these processes. Extensive test results are tabulated and evaluated. Forecast for future development is included. 5 refs.

  12. Coal: Long-term prospects remain very good

    SciTech Connect (OSTI)

    Doerell, P.E. [ed.

    1996-03-01T23:59:59.000Z

    Worldwide, it is the most economic and widespread fossil fuel available. The importance of coal will continue to grow to generate enough electricity to meet a rapidly increasing demand for energy. The first sign of a rising standard of living is access to a reliable and plentiful supply of electricity-and that means power generation from coal. The World Energy Conference in Tokyo last October called upon governments to {open_quotes}recognize that fossil fuels are likely to remain cost-competitive against alternatives over the next few decades and are set to play a greater and longer role than is widely thought.{close_quotes} Since coal, of all fossil fuels, has by far the most abundant reserves, this applies especially to coal. The International Energy Agency in Paris predicts a constant increase in the international hard-coal trade. While in 1973 (at the beginning of the first oil price crisis) only 8% of world hard coal produced was traded worldwide, this contribution increased to 11% by 1992 and may even grow to 16% between 1992 and 2010. Regarding volume, this would mean that the international hard-coal trade would more than double in the 18 years to 2010, i.e., from 403M to 852 M mt/yr. The 1995 update of the {open_quotes}Review of World Coal Trade,{close_quotes} published by the U.N. Economic Commission for Europe in Geneva, Switzerland, gives lower but still very considerable growth rate estimates: requirements from 3.508B (1990) to 3.982B mt (2010), production from 3.549B to 3994B mt, imports from 396M to 566M mt, and exports from 395M to 578M mt.

  13. Integration of waste pyrolysis with coal/oil coprocessing

    SciTech Connect (OSTI)

    Hu, J.; Zhou, P.; Lee, T.L.K.; Comolli, A. [Hydrocarbon Technologies, Inc., Lawrenceville, NJ (United States)

    1998-04-01T23:59:59.000Z

    HTI has developed a novel process, HTI CoPro Plus{trademark}, to produce alternative fuels and chemicals from the combined liquefaction of waste materials, coal, and heavy petroleum residues. Promising results have been obtained from a series of bench tests (PB-01 through PB-06) under the DOE Proof of Concept Program. Recently, HTI acquired a proven technology for the mild co-pyrolysis of used rubber tires and waste refinery or lube oils, developed by the University of Wyoming and Amoco. The feasibility of integration of pyrolysis with coal-oil coprocessing was studied in the eighth bench run (PB-08) of the program. The objective of Run PB-08 was to study the coprocessing of coal with oils derived from mild pyrolysis of scrap tires, waste plastics, and waste lube oils to obtain data required for economic comparisons with the DOE data base. A specific objective was also to study the performance of HTI`s newly improved GelCat{trademark} catalyst in coal-waste coprocessing under low-high (Reactor 1-Reactor 2 temperatures) operating mode. This paper presents the results obtained from Run PB-08, a 17-day continuous operation conducted in August 1997. A total of 5 conditions were tested, including a baseline coal-only condition. During the coprocessing conditions, 343{degrees}C+ pyrolysis oils derived from co-pyrolysis of rubber tires or a mixture of rubber tires and plastics with waste lube oil, were coprocessed with Black Thunder coal using HTI GelCat{trademark} catalyst. In the last condition, rubber tires were pyrolyzed with 524{degrees}C- coal liquid to study the possible elimination of lube oil used as pyrolysis processing oil. Overall coal conversion above 90 W% was achieved.

  14. Flotation and flocculation chemistry of coal and oxidized coals

    SciTech Connect (OSTI)

    Somasundaran, P.

    1990-01-01T23:59:59.000Z

    The objective of this research project is to understand the fundamentals involved in the flotation and flocculation of coal and oxidized coals and elucidate mechanisms by which surface interactions between coal and various reagents enhance coal beneficiation. An understanding of the nature of the heterogeneity of coal surfaces arising from the intrinsic distribution of chemical moieties is fundamental to the elucidation of mechanism of coal surface modification and its role in interfacial processes such as flotation, flocculation and agglomeration. A new approach for determining the distribution in surface properties of coal particles was developed in this study and various techniques capable of providing such information were identified. Distributions in surface energy, contact angle and wettability were obtained using novel techniques such as centrifugal immersion and film flotation. Changes in these distributions upon oxidation and surface modifications were monitored and discussed. An approach to the modelling of coal surface site distributions based on thermodynamic information obtained from gas adsorption and immersion calorimetry is proposed. Polyacrylamide and dodecane was used to alter the coal surface. Methanol adsorption was also studied. 62 figs.

  15. Future Impacts of Coal Distribution Constraints on Coal Cost

    E-Print Network [OSTI]

    McCollum, David L

    2007-01-01T23:59:59.000Z

    21 Figure 6: Map of PRB coal mines serviced by the BNSF-UPPRB.of the Powder River Basin (PRB) in Wyoming. Although traffic

  16. Exploration for deep coal

    SciTech Connect (OSTI)

    NONE

    2008-12-15T23:59:59.000Z

    The most important factor in safe mining is the quality of the roof. The article explains how the Rosebud Mining Co. conducts drilling and exploration in 11 deep coal mine throughout Pennsylvania and Ohio. Rosebud uses two Atlas Copco CS10 core drilling rigs mounted on 4-wheel drive trucks. The article first appeared in Atlas Copco's in-house magazine, Deep Hole Driller. 3 photos.

  17. LLNL Capabilities in Underground Coal Gasification

    SciTech Connect (OSTI)

    Friedmann, S J; Burton, E; Upadhye, R

    2006-06-07T23:59:59.000Z

    Underground coal gasification (UCG) has received renewed interest as a potential technology for producing hydrogen at a competitive price particularly in Europe and China. The Lawrence Livermore National Laboratory (LLNL) played a leading role in this field and continues to do so. It conducted UCG field tests in the nineteen-seventies and -eighties resulting in a number of publications culminating in a UCG model published in 1989. LLNL successfully employed the ''Controlled Retraction Injection Point'' (CRIP) method in some of the Rocky Mountain field tests near Hanna, Wyoming. This method, shown schematically in Fig.1, uses a horizontally-drilled lined injection well where the lining can be penetrated at different locations for injection of the O{sub 2}/steam mixture. The cavity in the coal seam therefore gets longer as the injection point is retracted as well as wider due to reaction of the coal wall with the hot gases. Rubble generated from the collapsing wall is an important mechanism studied by Britten and Thorsness.

  18. Zero emission coal

    SciTech Connect (OSTI)

    Ziock, H.; Lackner, K.

    2000-08-01T23:59:59.000Z

    We discuss a novel, emission-free process for producing hydrogen or electricity from coal. Even though we focus on coal, the basic design is compatible with any carbonaceous fuel. The process uses cyclical carbonation of calcium oxide to promote the production of hydrogen from carbon and water. The carbonation of the calcium oxide removes carbon dioxide from the reaction products and provides the additional energy necessary to complete hydrogen production without additional combustion of carbon. The calcination of the resulting calcium carbonate is accomplished using the high temperature waste heat from solid oxide fuel cells (SOFC), which generate electricity from hydrogen fuel. Converting waste heat back to useful chemical energy allows the process to achieve very high conversion efficiency from fuel energy to electrical energy. As the process is essentially closed-loop, the process is able to achieve zero emissions if the concentrated exhaust stream of CO{sub 2} is sequestered. Carbon dioxide disposal is accomplished by the production of magnesium carbonate from ultramafic rock. The end products of the sequestration process are stable naturally occurring minerals. Sufficient rich ultramafic deposits exist to easily handle all the world's coal.

  19. Assessment of underground coal gasification in bituminous coals: catalog of bituminous coals and site selection. Appendix A. National coal resource data system: Ecoal, Wcoal, and Bmalyt. Final report, Phase I. [Bituminous coal; by state; coal seam depth and thickness; identification

    SciTech Connect (OSTI)

    None

    1982-01-31T23:59:59.000Z

    Appendix A is a catalog of the bituminous coal in 29 states of the contiguous United States which contain identified bituminous coal resources.

  20. Iron catalyzed coal liquefaction process

    DOE Patents [OSTI]

    Garg, Diwakar (Macungie, PA); Givens, Edwin N. (Bethlehem, PA)

    1983-01-01T23:59:59.000Z

    A process is described for the solvent refining of coal into a gas product, a liquid product and a normally solid dissolved product. Particulate coal and a unique co-catalyst system are suspended in a coal solvent and processed in a coal liquefaction reactor, preferably an ebullated bed reactor. The co-catalyst system comprises a combination of a stoichiometric excess of iron oxide and pyrite which reduce predominantly to active iron sulfide catalysts in the reaction zone. This catalyst system results in increased catalytic activity with attendant improved coal conversion and enhanced oil product distribution as well as reduced sulfide effluent. Iron oxide is used in a stoichiometric excess of that required to react with sulfur indigenous to the feed coal and that produced during reduction of the pyrite catalyst to iron sulfide.

  1. COAL CLEANING BY GAS AGGLOMERATION

    SciTech Connect (OSTI)

    MEIYU SHEN; ROYCE ABBOTT; T.D. WHEELOCK

    1998-09-30T23:59:59.000Z

    The agglomeration of ultrafine-size coal particles in an aqueous suspension by means of microscopic gas bubbles was demonstrated in numerous experiments with a scale model mixing system. Coal samples from both the Pittsburgh No. 8 Seam and the Upper Freeport Seam were used for these experiments. A small amount of i-octane was added to facilitate the process. Microscopic gas bubbles were generated by saturating the water used for suspending coal particles with gas under pressure and then reducing the pressure. Microagglomerates were produced which appeared to consist of gas bubbles encapsulated in coal particles. Since dilute particle suspensions were employed, it was possible to monitor the progress of agglomeration by observing changes in turbidity. By such means it became apparent that the rate of agglomeration depends on the concentration of microscopic gas bubbles and to a lesser extent on the concentration of i-octane. Similar results were obtained with both Pittsburgh No. 8 coal and Upper Freeport coal.

  2. Transporting export coal from Appalachia

    SciTech Connect (OSTI)

    Not Available

    1982-11-01T23:59:59.000Z

    This publication is part of a series titled Market Guide for Steam Coal Exports from Appalachia. It focuses on the transportation link in the steam-coal supply chain, enabling producers to further assess their transportation options and their ability to compete in the export-coal marketplace. Transportation alternatives and handling procedures are discussed, and information is provided on the costs associated with each element in the transportation network.

  3. Liquid chromatographic analysis of coal surface properties

    SciTech Connect (OSTI)

    Kwon, K.C.

    1991-01-01T23:59:59.000Z

    The main objectives of this proposed research are to refine further the inverse liquid chromatography technique for the study of surface properties of raw coals, treated coals and coal minerals in water, to evaluate relatively surface properties of raw coals, treated coals and coal minerals by inverse liquid chromatography, and to evaluate floatability of various treated coals in conjunction with surface properties of coals. Alcohols such as methanol, ethanol, isopropanol, isobutanol, tert-butanol, heptanol, 1-hexadecanol, 2-methyl-pentanol, 4-methyl-2-penthanol (methylisobutyl carbinol), n-octanol, s-octanol, and cyclohexanol as probe compounds are utilized to evaluate hydrophilicity of coals and coal minerals. N-alkanes such as hexane, heptane and octane, and stearic acid are employed as probe compounds to evaluate hydrophobicity of coals and coal minerals. Aromatic compounds such as benzene and toluene as probe compounds are used to examine aromaticity of coal surface. Aromatic acids such as o-cresol, m-cresol, p-cresol, phenol and B-naphthol are used to detect aromatic acidic sites of coal surface. Hydrophilicity, hydrophobicity and aromaticity of surfaces for either raw coals or treated coals in water are relatively determined by evaluating both equilibrium physical/chemical adsorption and dynamic adsorption of probe compounds on various raw coals and treated coals to compare affinities of coals for water.

  4. Coal combustion science: Task 1, Coal char combustion: Task 2, Fate of mineral matter. Quarterly progress report, July--September 1993

    SciTech Connect (OSTI)

    Hardesty, D.R. [ed.; Hurt, R.H.; Davis, K.A.; Baxter, L.L.

    1994-07-01T23:59:59.000Z

    Progress reports are presented for the following tasks: (1) kinetics and mechanisms of pulverized coal char combustion and (2) fate of inorganic material during coal combustion. The objective of Task 1 is to characterize the combustion behavior of selected US coals under conditions relevant to industrial pulverized coal-fired furnaces. In Sandia`s Coal Combustion Laboratory (CCL), optical techniques are used to obtain high-resolution images of individual burning coal char particles and to measure, in situ, their temperatures, sizes, and velocities. Detailed models of combustion transport processes are then used to determine kinetic parameters describing the combustion behavior as a function of coal type and combustion environment. Partially reacted char particles are also sampled and characterized with advanced materials diagnostics to understand the critical physical and chemical transformations that influence reaction rates and burnout times. The ultimate goal of the task is the establishment of a data base of the high temperature reactivities of chars from strategic US coals, from which important trends may be identified and predictive capabilities developed. The overall objectives for task 2 are: (1) to complete experimental and theoretical investigation of ash release mechanisms; (2) to complete experimental work on char fragmentation; (3) to establish the extent of coal (as opposed to char) fragmentation as a function of coal type and particle size; (4) to develop diagnostic capabilities for in situ, real-time, qualitative indications of surface species composition during ash deposition, with work continuing into FY94; (5) to develop diagnostic capabilities for in situ, real-time qualitative detection of inorganic vapor concentrations; and (6) to conduct a literature survey on the current state of understanding of ash deposition, with work continuing into FY94.

  5. Coal Mine Safety Act (Virginia)

    Broader source: Energy.gov [DOE]

    This Act is the primary legislation pertaining to coal mine safety in Virginia. It contains information on safety rules, safety standards and required certifications for mine workers, prohibited...

  6. ENCOAL Mild Coal Gasification Project

    SciTech Connect (OSTI)

    Not Available

    1992-02-01T23:59:59.000Z

    ENCOAL Corporation, a wholly-owned subsidiary of Shell Mining Company, is constructing a mild gasification demonstration plant at Triton Coal Company's Buckskin Mine near Gillette, Wyoming. The process, using Liquids From Coal (LFC) technology developed by Shell and SGI International, utilizes low-sulfur Powder River Basin Coal to produce two new fuels, Process Derived Fuel (PDF) and Coal Derived Liquids (CDL). The products, as alternative fuels sources, are expected to significantly reduce current sulfur emissions at industrial and utility boiler sites throughout the nation, thereby reducing pollutants causing acid rain.

  7. Process for electrochemically gasifying coal

    DOE Patents [OSTI]

    Botts, T.E.; Powell, J.R.

    1985-10-25T23:59:59.000Z

    A process is claimed for electrochemically gasifying coal by establishing a flowing stream of coal particulate slurry, electrolyte and electrode members through a transverse magnetic field that has sufficient strength to polarize the electrode members, thereby causing them to operate in combination with the electrolyte to electrochemically reduce the coal particulate in the slurry. Such electrochemical reduction of the coal produces hydrogen and carbon dioxide at opposite ends of the polarized electrode members. Gas collection means are operated in conjunction with the process to collect the evolved gases as they rise from the slurry and electrolyte solution. 7 figs.

  8. Carbon Dioxide Emission Factors for Coal

    Reports and Publications (EIA)

    1994-01-01T23:59:59.000Z

    The Energy Information Administration (EIA) has developed factors for estimating the amount of carbon dioxide emitted, accounting for differences among coals, to reflect the changing "mix" of coal in U.S. coal consumption.

  9. Low-rank coal oil agglomeration

    DOE Patents [OSTI]

    Knudson, Curtis L. (Grand Forks, ND); Timpe, Ronald C. (Grand Forks, ND)

    1991-01-01T23:59:59.000Z

    A low-rank coal oil agglomeration process. High mineral content, a high ash content subbituminous coals are effectively agglomerated with a bridging oil which is partially water soluble and capable of entering the pore structure, and usually coal derived.

  10. Coal Bed Methane Protection Act (Montana)

    Broader source: Energy.gov [DOE]

    The Coal Bed Methane Protection Act establishes a long-term coal bed methane protection account and a coal bed methane protection program for the purpose of compensating private landowners and...

  11. Advanced Coal Wind Hybrid: Economic Analysis

    E-Print Network [OSTI]

    Phadke, Amol

    2008-01-01T23:59:59.000Z

    Alone IGCC+CCS Coal Plant The levelized cost of electricitythan advanced coal plants and hence their cost estimates areestimates of the costs of an advanced coal plant, since they

  12. China's Coal: Demand, Constraints, and Externalities

    E-Print Network [OSTI]

    Aden, Nathaniel

    2010-01-01T23:59:59.000Z

    coal electricity generation efficiency also varies by plantplants. The unit water requirement of coal-fired electricity generationelectricity generation is comparatively low in China due to the prevalence of small, outdated coal-fired power plants.

  13. Advanced Coal Wind Hybrid: Economic Analysis

    E-Print Network [OSTI]

    Phadke, Amol

    2008-01-01T23:59:59.000Z

    ACWH consists of a 3,000 MW coal gasification combined cycleconsists of a 3,000 MW coal gasification, combined cycleless expensive in a coal gasification, combined cycle power

  14. Method for recovering light hydrocarbons from coal agglomerates

    DOE Patents [OSTI]

    Huettenhain, Horst (Benicia, CA); Benz, August D. (Hillsborough, CA); Getsoian, John (Ann Arbor, MI)

    1991-01-01T23:59:59.000Z

    A method and apparatus for removing light hydrocarbons, such as heptane, from coal agglomerates includes an enclosed chamber having a substantially horizontal perforate surface therein. The coal agglomerates are introduced into a water bath within the chamber. The agglomerates are advanced over the surface while steam is substantially continuously introduced through the surface into the water bath. Steam heats the water and causes volatilization of the light hydrocarbons, which may be collected from the overhead of the chamber. The resulting agglomerates may be collected at the opposite end from the surface and subjected to final draining processes prior to transportation or use.

  15. Drunkard`s wash project: Coalbed methane production from Ferron coals in east-central Utah

    SciTech Connect (OSTI)

    Lemarre, R.A. [Texaco Exploration and Production, Inc., Denver, CO (United States); Burns, T.D. [River Gas Corporation, Northport, AL (United States)

    1996-12-31T23:59:59.000Z

    The Drunkard`s Wash Project produces dry, coalbed methane gas from coals within the Ferron Sandstone Member of the Mancos Shale. The project covers 120,000 acres on the western flank of the San Rafael Uplift in east-central Utah. Gas was first produced into the sales line in January 1993. The field is being developed on 160 acre spacing with 73 wells currently producing 32.2 MMCFD for an average of 437 MCFD/well. Thirty three of those wells have been producing for 32 months and now average 637 MCFD/well. Most of the wells show a classic coalbed methane negative decline curve with increasing gas rates as the reservoir pressure declines due to production of water. Daily water production is 14,500 BPD, for an average of 199 BWPD/well. Total coal thickness ranges from 7 ft. to 48 ft., with an average of 24 ft. The coals occur in 3 to 6 seams at depths of 1350 to 2450 ft. The coal rank is high volatile A&B bituminous. We can not yet see a correlation between total coal thickness and current production. All wells are cased and hydraulically stimulated and most require pumping units to handle the large volumes of water. However, 22 wells do not require pumps and flow unassisted to the surface. The structure consists of monoclinal westward dip. A thin tonstein layer in the bottom coal seam serves as an excellent datum for mapping. Enhanced production is encountered along a southwest-plunging nose that probably formed additional fracture permeability within the coals. Northeast-trending reverse faults with small displacement appear to compartmentalize the reservoir. The Ferron coals were deposited in a river-dominated deltaic system that prograded to the east and southeast during Turonian-Coniacian (Upper Cretaceous) time. The Ferron Sandstone Member represents an eastward-thinning elastic wedge that was deposited during regression of the Western Interior Cretaceous seaway.

  16. THE DEVELOPMENT OF COAL-BASED TECHNOLOGIES FOR DEPARTMENT OF DEFENSE FACILITIES

    SciTech Connect (OSTI)

    Bruce G. Miller; Sharon Falcone Miller; Sarma V. Pisupati; Chunshan Song; Ronald S. Wasco; Ronald T. Wincek; Xiaochun Xu; Alan W. Scaroni; Richard Hogg; Subhash Chander; M. Thaddeus Ityokumbul; Mark S. Klima; Peter T. Luckie; Adam Rose; Richard L. Gordon; Jeffrey Lazo; A. Michael Schaal

    2004-01-30T23:59:59.000Z

    The third phase of a three-phase project investigating the development of coal-based technologies for US Department of Defense (DOD) facilities was completed. The objectives of the project were to: decrease DOD's dependence on foreign oil and increase its use of coal; promote public and private sector deployment of technologies for utilizing coal-based fuels in oil-designed combustion equipment; and provide a continuing environment for research and development of coal-based fuel technologies for small-scale applications at a time when market conditions in the US are not favorable for the introduction of coal-fired equipment in the commercial and industrial capacity ranges. The Phase III activities were focused on evaluating deeply-cleaned coals as fuels for industrial boilers and investigating emissions control strategies for providing ultra-low emissions when firing coal-based fuels. This was addressed by performing coal beneficiation and preparation studies, and bench- to demonstration-scale emissions reduction studies. In addition, economic studies were conducted focused on determining cost and market penetration, selection of incentives, and regional economic impacts of coal-based technologies.

  17. Market assessment of environmental issues affecting coal use for Los Alamos National Laboratory

    SciTech Connect (OSTI)

    NONE

    1995-03-20T23:59:59.000Z

    This is a market assessment of environmental issues affecting coal use through 2020. It was prepared by Los Alamos National Laboratories for the Fossil Energy R&D Program. It is based on interviews of representatives of 8 coal, coal technology, electricity and environmental groups concerned with the future of energy and the environment. Interviewees generally agreed that the U.S. and other countries would continue to need to use coal into the middle of the next century. The size of the market for coal would be determined by the ability of coal and coal technologies to meet environmental requirements at costs that would compete with natural gas. Outside the U.S., three interviewees suggested that there is a market for low cost coal technologies that will reduce the environmental impact of coal use, particularly in developing countries that have few alternative sources of energy. The principal environmental concerns mentioned in these interviews were: efficiency and carbon, air toxics, and NO{sub x}. Several also mentioned potential modifications to the SO{sub x} standards, a fine particulate standard, bottom and fly ash, and methane from coalbeds.

  18. Oxidative derivatization and solubilization of coal. Final report. Period: October 1, 1986 - April 30, 1988

    SciTech Connect (OSTI)

    Schulz, J.G.; Porowski, E.N.; Straub, A.M.

    1988-05-01T23:59:59.000Z

    We investigated the solubilization of coal by oxidative means to produce motor fuels. Nitric acid was used in the first of two approaches taken to cleave aliphatic linkages in coal and reduce the size of its macrostructure. Mild conditions, with temperatures up to a maximum of 75 C, and nitric acid concentrations below 20% by weight, characterize this process. The solid product, obtained in high yields, is soluble in polar organic solvents. Lower alcohols, methanol in particular, are of interest as carrier solvents in diesel fuel applications. Coals investigated were New York State peat, Wyodak subbituminous coal, North Dakota lignite, and Illinois No. 6 bituminous coal. The lower tank coals were easily converted and appear well suited to the process, while the bituminous Illinois No. 6 and Pitt Seam coals were unreactive. We concentrated our efforts on Wyodak coal and North Dakota lignite. Reaction conditions with regards to temperature, acid concentration, and time were optimized to obtain high product selectivity at maximum conversion. A continuous process scheme was developed for single pass coal conversions of about 50% to methanol-soluble product.

  19. Ultrafine coal single stage dewatering and briquetting process. Technical report, September 1--November 30, 1994

    SciTech Connect (OSTI)

    Wilson, J.W. [Univ. of Missouri, Rolla, MO (United States). Dept. of Mining Engineering; Honaker, R.Q. [Southern Illinois Univ., Carbondale, IL (United States). Dept. of Mining Engineering

    1994-12-31T23:59:59.000Z

    It is well known that a large portion of the pyrite particles in the coal seams of the Illinois Basin, are finely disseminated within the coal matrix. In order to liberate these micron size pyrite particles, one must use a fine grinding operation. The ultrafine coal particles that are produced are difficult to dewater and they create problems in coal transportation as well as in its storage and handling at utility plants. The objective of this research project is to combine ultrafine coal dewatering and briquetting processes into a single stage operation. This will be accomplished by the use of bitumen based emulsions for dewatering and a compaction device for briquetting. During this reporting period, two types of coal samples have been tested for use in the dewatering and briquetting processes. These tests were carried out in conjunction with a selected hydrophobic binder as the dewatering reagent and an uniaxial hydraulic press. The influence of compaction pressure and binder concentration (2 to 5%) on the performance of coal pellets have been evaluated in terms of their water and wear resistance. A laboratory scale ultrafine coal dewatering and briquetting extruder that can be operated continuously for coal pellets fabrication, has been designed and built, and will be available for testing in the next quarter.

  20. COAL DERIVED MATRIX PITCHES FOR CARBON-CARBON COMPOSITE MANUFACTURE/PRODUCTION OF FIBERS AND COMPOSITES FROM COAL-BASED PRECURSORS

    SciTech Connect (OSTI)

    Peter G. Stansberry; John W. Zondlo

    2001-07-01T23:59:59.000Z

    The Consortium for premium Carbon Products from Coal, with funding from the US Department of Energy, National Energy Technology Laboratory continue with the development of innovative technologies that will allow coal or coal-derived feedstocks to be used in the production of value-added carbon materials. In addition to supporting eleven independent projects during budget period 3, three meetings were held at two separate locations for the membership. The first was held at Nemacolin Woodlands Resort on May 15-16, 2000. This was followed by two meetings at Penn State, a tutorial on August 11, 2000 and a technical progress meeting on October 26-27.

  1. Geologic controls on sulfur content of the Blue Gem coal seam, southeastern Kentucky

    SciTech Connect (OSTI)

    Rimmer, S.M.; Moore, T.A.; Esterle, J.S.; Hower, J.C.

    1985-01-01T23:59:59.000Z

    Detailed petrographic and lithologic data on the Blue Gem coal seam for a local area in Knox County, Kentucky, suggest that a relationship may exist between overlying roof lithology, petrographic composition of the coal, and sulfur content. In the western part of the area, where thick (20-40 feet) shale sequences overlie the coal, sulfur contents are low (less than 1%). In isolated areas where discontinuous sandstones occur within 6 feet of the coal, sulfur contents range from 1% to over 3%. In the east, a sandstone body usually overlies and frequently scours out the coal, yet sulfur content varies independently of roof lithology. Towards the east, there is an increase in abundance, thickness and variability of fusain bands within the coal and an increase in pyrite and siderite either as cell fillings in fusinite or as masses within vitrinite; early emplacement of these minerals is indicated by compaction features. Data suggest the importance of depositional environment of the peat and overlying sediments as a control on sulfur occurrence. High sulfur contents in the west are related to sandstone bodies which may have allowed sulfate-bearing waters to permeate into the peat. In the east, where increases in pyrite, siderite and fusain content of the coal and coarsening of the overlying sediments suggest a change in environment, the presence or absence of pyrite-containing fusain bands may account for sulfur variability. Siderite occurrence may reflect local fluctuations in sulfate supply to the peat swamp.

  2. Arkansas Surface Coal Mining Reclamation Act (Arkansas)

    Broader source: Energy.gov [DOE]

    The Arkansas Surface Coal Mining Reclamation Act authorizes the state to develop, adopt, issue and amend rules and regulations pertaining to surface coal mining and reclamation operations. These...

  3. China's Coal: Demand, Constraints, and Externalities

    E-Print Network [OSTI]

    Aden, Nathaniel

    2010-01-01T23:59:59.000Z

    raising transportation oil demand. Growing internationalcoal by wire could reduce oil demand by stemming coal roadEastern oil production. The rapid growth of coal demand

  4. Advanced Coal Wind Hybrid: Economic Analysis

    E-Print Network [OSTI]

    Phadke, Amol

    2008-01-01T23:59:59.000Z

    Renewable Energy and Energy Efficiency, DOE. LBNL 275-E Advanced Coal Wind Hybrid:Renewable Energy Laboratory), and Ryan Wiser ( LBNL). i Advanced Coal Wind Hybrid:

  5. Advanced Coal Wind Hybrid: Economic Analysis

    E-Print Network [OSTI]

    Phadke, Amol

    2008-01-01T23:59:59.000Z

    Coal Wind Hybrid: Economic Analysis additional cost of fuelWind Hybrid: Economic Analysis Levelized Generation CostCoal Wind Hybrid: Economic Analysis Notes: All Cost are in

  6. Advanced Coal Wind Hybrid: Economic Analysis

    E-Print Network [OSTI]

    Phadke, Amol

    2008-01-01T23:59:59.000Z

    of Figures Figure ES-1. Advanced Coal Wind Hybrid: Basicviii Figure 1. Advanced-Coal Wind Hybrid: Basic21 Figure 6. Comparison of ACWH and CCGT-Wind

  7. Utility Generation and Clean Coal Technology (Indiana)

    Broader source: Energy.gov [DOE]

    This statute establishes the state's support and incentives for the development of new energy production and generating facilities implementing advanced clean coal technology, such as coal...

  8. Coal Gasification and Transportation Fuels Magazine

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    Gasification and Transportation Fuels Magazine Current Edition: Coal Gasification and Transportation Fuels Quarterly News, Vol.1, Issue 3 (Apr 2015) Archived Editions: Coal...

  9. University Coal Research | Department of Energy

    Energy Savers [EERE]

    Research University Coal Research University Coal Research Universities frequently win Fossil Energy research competitions or join with private companies to submit successful...

  10. On the Dynamics of Small Continuous-Time Recurrent

    E-Print Network [OSTI]

    Beer, Randall D.

    On the Dynamics of Small Continuous-Time Recurrent Neural Networks Randall D. Beer* Case Western of Biology, Case Western Reserve University, Cleveland, Ohio; E-mail: beer@alpha.ces.cwru.edu , unauthorized for controlling the behavior of agents (Beer, 1990) and in the evolution of such networks (Collins & Jefferson

  11. Rail Coal Transportation Rates

    Annual Energy Outlook 2013 [U.S. Energy Information Administration (EIA)]

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645 3,625 1,006 492 742 33 111 1,613 122Commercial ConsumersThousand CubicCubic Feet) Yeara 436 EnergyAssemblyOrderCoal

  12. By Coal Destination State

    Annual Energy Outlook 2013 [U.S. Energy Information Administration (EIA)]

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645 3,625 1,006 492 742 33 111 1,613 122 40Coal Stocks at CommercialDecade Year-0Proved Reserves (Billion0.060 U.S. Energy

  13. By Coal Destination State

    Annual Energy Outlook 2013 [U.S. Energy Information Administration (EIA)]

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645 3,625 1,006 492 742 33 111 1,613 122 40Coal Stocks at CommercialDecade Year-0Proved Reserves (Billion0.060 U.S. Energy0

  14. By Coal Destination State

    Annual Energy Outlook 2013 [U.S. Energy Information Administration (EIA)]

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645 3,625 1,006 492 742 33 111 1,613 122 40Coal Stocks at CommercialDecade Year-0Proved Reserves (Billion0.060 U.S. Energy00

  15. By Coal Destination State

    Annual Energy Outlook 2013 [U.S. Energy Information Administration (EIA)]

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645 3,625 1,006 492 742 33 111 1,613 122 40Coal Stocks at CommercialDecade Year-0Proved Reserves (Billion0.060 U.S.

  16. By Coal Destination State

    Annual Energy Outlook 2013 [U.S. Energy Information Administration (EIA)]

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645 3,625 1,006 492 742 33 111 1,613 122 40Coal Stocks at CommercialDecade Year-0Proved Reserves (Billion0.060 U.S.1 U.S.

  17. By Coal Destination State

    Annual Energy Outlook 2013 [U.S. Energy Information Administration (EIA)]

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645 3,625 1,006 492 742 33 111 1,613 122 40Coal Stocks at CommercialDecade Year-0Proved Reserves (Billion0.060 U.S.1 U.S.1

  18. By Coal Destination State

    Annual Energy Outlook 2013 [U.S. Energy Information Administration (EIA)]

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645 3,625 1,006 492 742 33 111 1,613 122 40Coal Stocks at CommercialDecade Year-0Proved Reserves (Billion0.060 U.S.1 U.S.11

  19. By Coal Destination State

    Annual Energy Outlook 2013 [U.S. Energy Information Administration (EIA)]

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645 3,625 1,006 492 742 33 111 1,613 122 40Coal Stocks at CommercialDecade Year-0Proved Reserves (Billion0.060 U.S.1 U.S.111

  20. By Coal Destination State

    Annual Energy Outlook 2013 [U.S. Energy Information Administration (EIA)]

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645 3,625 1,006 492 742 33 111 1,613 122 40Coal Stocks at CommercialDecade Year-0Proved Reserves (Billion0.060 U.S.1

  1. By Coal Origin State

    Annual Energy Outlook 2013 [U.S. Energy Information Administration (EIA)]

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645 3,625 1,006 492 742 33 111 1,613 122 40Coal Stocks at CommercialDecade Year-0Proved Reserves (Billion0.060 U.S.10 U.S.

  2. By Coal Origin State

    Annual Energy Outlook 2013 [U.S. Energy Information Administration (EIA)]

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645 3,625 1,006 492 742 33 111 1,613 122 40Coal Stocks at CommercialDecade Year-0Proved Reserves (Billion0.060 U.S.10 U.S.0

  3. By Coal Origin State

    Annual Energy Outlook 2013 [U.S. Energy Information Administration (EIA)]

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645 3,625 1,006 492 742 33 111 1,613 122 40Coal Stocks at CommercialDecade Year-0Proved Reserves (Billion0.060 U.S.10 U.S.00

  4. By Coal Origin State

    Annual Energy Outlook 2013 [U.S. Energy Information Administration (EIA)]

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645 3,625 1,006 492 742 33 111 1,613 122 40Coal Stocks at CommercialDecade Year-0Proved Reserves (Billion0.060 U.S.10

  5. By Coal Origin State

    Annual Energy Outlook 2013 [U.S. Energy Information Administration (EIA)]

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645 3,625 1,006 492 742 33 111 1,613 122 40Coal Stocks at CommercialDecade Year-0Proved Reserves (Billion0.060 U.S.101 U.S.

  6. By Coal Origin State

    Annual Energy Outlook 2013 [U.S. Energy Information Administration (EIA)]

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645 3,625 1,006 492 742 33 111 1,613 122 40Coal Stocks at CommercialDecade Year-0Proved Reserves (Billion0.060 U.S.101 U.S.1

  7. By Coal Origin State

    Annual Energy Outlook 2013 [U.S. Energy Information Administration (EIA)]

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645 3,625 1,006 492 742 33 111 1,613 122 40Coal Stocks at CommercialDecade Year-0Proved Reserves (Billion0.060 U.S.101

  8. By Coal Origin State

    Annual Energy Outlook 2013 [U.S. Energy Information Administration (EIA)]

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645 3,625 1,006 492 742 33 111 1,613 122 40Coal Stocks at CommercialDecade Year-0Proved Reserves (Billion0.060 U.S.1011 U.S.

  9. By Coal Origin State

    Annual Energy Outlook 2013 [U.S. Energy Information Administration (EIA)]

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645 3,625 1,006 492 742 33 111 1,613 122 40Coal Stocks at CommercialDecade Year-0Proved Reserves (Billion0.060 U.S.1011

  10. Coal Distribution Database, 2008

    Annual Energy Outlook 2013 [U.S. Energy Information Administration (EIA)]

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645 3,625 1,006 492 742 33 111 1,613 122 40Coal Stocks at CommercialDecadeReservesYear JanDecade Year-0 Year-1EIA3Q 2009

  11. Coal Distribution Database, 2008

    Annual Energy Outlook 2013 [U.S. Energy Information Administration (EIA)]

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645 3,625 1,006 492 742 33 111 1,613 122 40Coal Stocks at CommercialDecadeReservesYear JanDecade Year-0 Year-1EIA3Q 20093Q

  12. Coal Distribution Database, 2008

    Annual Energy Outlook 2013 [U.S. Energy Information Administration (EIA)]

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645 3,625 1,006 492 742 33 111 1,613 122 40Coal Stocks at CommercialDecadeReservesYear JanDecade Year-0 Year-1EIA3Q 20093Q4Q

  13. Coal Distribution Database, 2008

    Annual Energy Outlook 2013 [U.S. Energy Information Administration (EIA)]

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645 3,625 1,006 492 742 33 111 1,613 122 40Coal Stocks at CommercialDecadeReservesYear JanDecade Year-0 Year-1EIA3Q

  14. Coal Supply Region

    Annual Energy Outlook 2013 [U.S. Energy Information Administration (EIA)]

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645 3,625 1,006 492 742 33 111 1,613 122 40Coal Stocks at CommercialDecadeReservesYear JanDecade Year-0c. Real average12

  15. Annual Coal Distribution Tables

    Annual Energy Outlook 2013 [U.S. Energy Information Administration (EIA)]

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645 3,625 1,006 492 742 33 111 1,613 122 40CoalLease(Billion CubicPotentialNov-14 Dec-14 Jan-1538,469 39,194Dry4,645

  16. Annual Coal Distribution Tables

    Annual Energy Outlook 2013 [U.S. Energy Information Administration (EIA)]

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645 3,625 1,006 492 742 33 111 1,613 122 40CoalLease(Billion CubicPotentialNov-14 Dec-14 Jan-1538,469 39,194Dry4,645Domestic

  17. Annual Coal Distribution Tables

    Annual Energy Outlook 2013 [U.S. Energy Information Administration (EIA)]

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645 3,625 1,006 492 742 33 111 1,613 122 40CoalLease(Billion CubicPotentialNov-14 Dec-14 Jan-1538,469

  18. By Coal Destination State

    Annual Energy Outlook 2013 [U.S. Energy Information Administration (EIA)]

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645 3,625 1,006 492 742 33 111 1,613 122 40CoalLease(Billion CubicPotentialNov-14SalesSameCommercial(Million OverviewAnnual

  19. By Coal Origin State

    Annual Energy Outlook 2013 [U.S. Energy Information Administration (EIA)]

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645 3,625 1,006 492 742 33 111 1,613 122 40CoalLease(Billion CubicPotentialNov-14SalesSameCommercial(Million

  20. Coal Distribution Database, 2006

    Annual Energy Outlook 2013 [U.S. Energy Information Administration (EIA)]

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645 3,625 1,006 492 742 33 111 1,613 122 40CoalLease(Billion2,128 2,469 2,321Spain (Million Cubic 1.Year Jan Feb Mar Apr

  1. Coal Distribution Database, 2006

    Annual Energy Outlook 2013 [U.S. Energy Information Administration (EIA)]

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645 3,625 1,006 492 742 33 111 1,613 122 40CoalLease(Billion2,128 2,469 2,321Spain (Million Cubic 1.Year Jan Feb Mar Apr

  2. Coal Distribution Database, 2006

    Annual Energy Outlook 2013 [U.S. Energy Information Administration (EIA)]

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645 3,625 1,006 492 742 33 111 1,613 122 40CoalLease(Billion2,128 2,469 2,321Spain (Million Cubic 1.Year Jan Feb Mar

  3. Annual Coal Distribution Report

    Annual Energy Outlook 2013 [U.S. Energy Information Administration (EIA)]

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645 3,625 1,006 492 742 33 111 1,613 122 40Coal Stocks at CommercialDecade Year-0 Year-1 Year-2Cubic

  4. Annual Coal Report 2013

    Gasoline and Diesel Fuel Update (EIA)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for On-Highway4,1,50022,3,,,,6,1,9,1,50022,3,,,,6,1,Decade Year-0E (2001)gasoline prices4 OilU.S. OffshoreOilAnnual Coal Report

  5. COAL & POWER SYSTEMS

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645U.S. DOE Office511041clothAdvanced Materials Advanced. C o w l i t z C o . C l a r k CCLEAN9AugustCNSS PapersCOAL &

  6. WCI Case for Coal

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level:Energy: Grid Integration Redefining What'sis Taking Over OurThe Iron SpinPrincetonUsing Maps1 -VisualizingVote For the# *Coal The role of as

  7. Combustion of calcium-exchanged coal. First quarterly report

    SciTech Connect (OSTI)

    Gavalas, G.R.; Flagan, R.C.

    1984-02-10T23:59:59.000Z

    The work performed during this first period includes equipment modification, development of analytical methods, oxidative pretreatment runs and combustion runs. The coal feeding section of an existing furnace was modified for uninterrupted feeding and better control of residence time. Analytical methods for sulfur and calcium in the coal and ash and for gaseous SO/sub 2/ were standardized. Oxidative pretreatment experiments were conducted in a fluidized bed at temperatures about 200/sup 0/C to evaluate the potential of this method for increasing the ion exchange capacity of coals and determine the accompanying loss of heating value. Combustion experiments were carried out at very high particle temperatures (2000/sup 0/K) at which a large fraction of the calcium additive was vaporized while 50 to 80% of the sulfur evolved as sulfur oxide. Continuing combustion experiments will be conducted at lower particle temperatures.

  8. Comparison of coal tars generated by pyrolysis of Hanna coal and UCG (underground coal gasification) Hanna IVB coal tars

    SciTech Connect (OSTI)

    Barbour, F.A.; Cummings, R.E.

    1986-04-01T23:59:59.000Z

    The compositions of coal tars produced by laboratory and pilot scale apparatus have been compared to those produced during underground coal gasification (UCG) experiments at Hanna, Wyoming. Four coal tars were generated by pyrolysis using the block reactor and the laboratory reference retort, and a fifth coal tar was composited from products produced by UCG. Coal tars were separated into chemically defined fractions and were characterized by gas chromatography. Specific compounds were not identified, but rather fingerprinting or compound-type profiling was used for identifying similarities and differences in the product tars. This permitted the evaluation of the different methods of tar production with respect to one another. The UCG coal tars appeared to have undergone more secondary cracking than the pyrolytic products. The coal tar products from the laboratory reference retort appear to be more indicative of the coal's chemical structure. Products from the block reactor contained lesser amounts of the lighter boiling material. In addition there is organic sulfur contamination as indicated by the large amount of sulfur present in the product tar from the block reactor. 11 refs., 16 figs., 11 tabs.

  9. Coal: Energy for the future

    SciTech Connect (OSTI)

    NONE

    1995-05-01T23:59:59.000Z

    This report was prepared in response to a request by the US Department of energy (DOE). The principal objectives of the study were to assess the current DOE coal program vis-a-vis the provisions of the Energy Policy Act of 1992 (EPACT), and to recommend the emphasis and priorities that DOE should consider in updating its strategic plan for coal. A strategic plan for research, development, demonstration, and commercialization (RDD and C) activities for coal should be based on assumptions regarding the future supply and price of competing energy sources, the demand for products manufactured from these sources, technological opportunities, and the need to control the environmental impact of waste streams. These factors change with time. Accordingly, the committee generated strategic planning scenarios for three time periods: near-term, 1995--2005; mid-term, 2006--2020; and, long-term, 2021--2040. The report is divided into the following chapters: executive summary; introduction and scope of the study; overview of US DOE programs and planning; trends and issues for future coal use; the strategic planning framework; coal preparation, coal liquid mixtures, and coal bed methane recovery; clean fuels and specialty products from coal; electric power generation; technology demonstration and commercialization; advanced research programs; conclusions and recommendations; appendices; and glossary. 174 refs.

  10. Centrifuge treatment of coal tar

    SciTech Connect (OSTI)

    L.A. Kazak; V.Z. Kaidalov; L.F. Syrova; O.S. Miroshnichenko; A.S. Minakov [Giprokoks, the State Institute for the Design of Coke-Industry Enterprises, Kharkov (Ukraine)

    2009-07-15T23:59:59.000Z

    New technology is required for the removal of water and heavy fractions from regular coal tar. Centrifuges offer the best option. Purification of coal tar by means of centrifuges at OAO NLMK permits the production of pitch coke or electrode pitch that complies with current standards.

  11. Commercialization of clean coal technologies

    SciTech Connect (OSTI)

    Bharucha, N. [Dept. of Primary Industries and Energy, Canberra (Australia)

    1994-12-31T23:59:59.000Z

    The steps to commercialization are reviewed in respect of their relative costs, the roles of the government and business sectors, and the need for scientific, technological, and economic viability. The status of commercialization of selected clean coal technologies is discussed. Case studies related to a clean coal technology are reviewed and conclusions are drawn on the factors that determine commercialization.

  12. Short residence time coal liquefaction process including catalytic hydrogenation

    DOE Patents [OSTI]

    Anderson, Raymond P. (Overland Park, KS); Schmalzer, David K. (Englewood, CO); Wright, Charles H. (Overland Park, KS)

    1982-05-18T23:59:59.000Z

    Normally solid dissolved coal product and a distillate liquid product are produced by continuously passing a feed slurry comprising raw feed coal and a recycle solvent oil and/or slurry together with hydrogen to a preheating-reaction zone (26, alone, or 26 together with 42), the hydrogen pressure in the preheating-reaction zone being at least 1500 psig (105 kg/cm.sup.2), reacting the slurry in the preheating-reaction zone (26, or 26 with 42) at a temperature in the range of between about 455.degree. and about 500.degree. C. to dissolve the coal to form normally liquid coal and normally solid dissolved coal. A total slurry residence time is maintained in the reaction zone ranging from a finite value from about 0 to about 0.2 hour, and reaction effluent is continuously and directly contacted with a quenching fluid (40, 68) to substantially immediately reduce the temperature of the reaction effluent to below 425.degree. C. to substantially inhibit polymerization so that the yield of insoluble organic matter comprises less than 9 weight percent of said feed coal on a moisture-free basis. The reaction is performed under conditions of temperature, hydrogen pressure and residence time such that the quantity of distillate liquid boiling within the range C.sub.5 -454.degree. C. is an amount at least equal to that obtainable by performing the process under the same condition except for a longer total slurry residence time, e.g., 0.3 hour. Solvent boiling range liquid is separated from the reaction effluent (83) and recycled as process solvent (16). The amount of solvent boiling range liquid is sufficient to provide at least 80 weight percent of that required to maintain the process in overall solvent balance.

  13. Short residence time coal liquefaction process including catalytic hydrogenation

    DOE Patents [OSTI]

    Anderson, R.P.; Schmalzer, D.K.; Wright, C.H.

    1982-05-18T23:59:59.000Z

    Normally solid dissolved coal product and a distillate liquid product are produced by continuously passing a feed slurry comprising raw feed coal and a recycle solvent oil and/or slurry together with hydrogen to a preheating-reaction zone, the hydrogen pressure in the preheating-reaction zone being at least 1,500 psig (105 kg/cm[sup 2]), reacting the slurry in the preheating-reaction zone at a temperature in the range of between about 455 and about 500 C to dissolve the coal to form normally liquid coal and normally solid dissolved coal. A total slurry residence time is maintained in the reaction zone ranging from a finite value from about 0 to about 0.2 hour, and reaction effluent is continuously and directly contacted with a quenching fluid to substantially immediately reduce the temperature of the reaction effluent to below 425 C to substantially inhibit polymerization so that the yield of insoluble organic matter comprises less than 9 weight percent of said feed coal on a moisture-free basis. The reaction is performed under conditions of temperature, hydrogen pressure and residence time such that the quantity of distillate liquid boiling within the range C[sub 5]-454 C is an amount at least equal to that obtainable by performing the process under the same condition except for a longer total slurry residence time, e.g., 0.3 hour. Solvent boiling range liquid is separated from the reaction effluent and recycled as process solvent. The amount of solvent boiling range liquid is sufficient to provide at least 80 weight percent of that required to maintain the process in overall solvent balance. 6 figs.

  14. CO2 SEQUESTRATION POTENTIAL OF TEXAS LOW-RANK COALS

    SciTech Connect (OSTI)

    Duane A. McVay; Walter B. Ayers Jr.; Jerry L. Jensen

    2003-10-01T23:59:59.000Z

    The objectives of this project are to evaluate the feasibility of carbon dioxide (CO{sub 2}) sequestration in Texas low-rank coals and to determine the potential for enhanced coalbed methane (CBM) recovery as an added benefit of sequestration. The main objective for this reporting period was to further characterize the three areas selected as potential CO{sub 2} sequestration sites. Well-log data are critical for defining depth, thickness, number, and grouping of coal seams at the proposed sequestration sites. Thus, we purchased 12 hardcopy well logs (in addition to 15 well logs obtained during previous quarter) from a commercial source and digitized them to make coal-occurrence maps and cross sections. Detailed correlation of coal zones is important for reservoir analysis and modeling. Thus, we correlated and mapped Wilcox Group subdivisions--the Hooper, Simsboro and Calvert Bluff formations, as well as the coal-bearing intervals of the Yegua and Jackson formations in well logs. To assess cleat properties and describe coal characteristics, we made field trips to Big Brown and Martin Lake coal mines. This quarter we also received CO{sub 2} and methane sorption analyses of the Sandow Mine samples, and we are assessing the results. GEM, a compositional simulator developed by the Computer Modeling Group (CMG), was selected for performing the CO{sub 2} sequestration and enhanced CBM modeling tasks for this project. This software was used to conduct preliminary CO{sub 2} sequestration and methane production simulations in a 5-spot injection pattern. We are continuing to pursue a cooperative agreement with Anadarko Petroleum, which has already acquired significant relevant data near one of our potential sequestration sites.

  15. CO2 SEQUESTRATION POTENTIAL OF TEXAS LOW-RANK COALS

    SciTech Connect (OSTI)

    Duane A. McVay; Walter B. Ayers Jr.; Jerry L. Jensen

    2005-05-01T23:59:59.000Z

    The objectives of this project are to evaluate the feasibility of carbon dioxide (CO{sub 2}) sequestration in Texas low-rank coals and to determine the potential for enhanced coalbed methane (CBM) recovery as an added benefit of sequestration. The main objective for this reporting period was to perform pressure transient testing to determine permeability of deep Wilcox coal to use as additional, necessary data for modeling performance of CO{sub 2} sequestration and enhanced coalbed methane recovery. To perform permeability testing of the Wilcox coal, we worked with Anadarko Petroleum Corporation in selecting the well and intervals to test and in designing the pressure transient test. Anadarko agreed to allow us to perform permeability tests in coal beds in an existing shut-in well (Well APCT2). This well is located in the region of the Sam K. Seymour power station, a site that we earlier identified as a major point source of CO{sub 2} emissions. A service company, Pinnacle Technologies Inc. (Pinnacle) was contracted to conduct the tests in the field. Intervals tested were 2 coal beds with thicknesses of 3 and 7 feet, respectively, at approximately 4,100 ft depth in the Lower Calvert Bluff Formation of the Wilcox Group in east-central Texas. Analyses of pressure transient test data indicate that average values for coalbed methane reservoir permeability in the tested coals are between 1.9 and 4.2 mD. These values are in the lower end of the range of permeability used in the preliminary simulation modeling. These new coal fracture permeability data from the APCT2 well, along with the acquired gas compositional analyses and sorption capacities of CO{sub 2}, CH{sub 4}, and N{sub 2}, complete the reservoir description phase of the project. During this quarter we also continued work on reservoir and economic modeling to evaluate performance of CO{sub 2} sequestration and enhanced coalbed methane recovery.

  16. Clean coal technology demonstration program: Program update 1996-97

    SciTech Connect (OSTI)

    NONE

    1997-10-01T23:59:59.000Z

    The Clean Coal Technology Demonstration Program (known as the CCT Program) reached a significant milestone in 1996 with the completion of 20 of the 39 active projects. The CCT Program is responding to a need to demonstrate and deploy a portfolio of technologies that will assure the U.S. recoverable coal reserves of 297 billion tons could continue to supply the nation`s energy needs economically and in a manner that meets the nation`s environmental objectives. This portfolio of technologies includes environmental control devices that contributed to meeting the accords on transboundary air pollution recommended by the Special Envoys on Acid Rain in 1986. Operational, technical, environmental, and economic performance information and data are now flowing from highly efficient, low-emission, advanced power generation technologies that will enable coal to retain its prominent role into the next millennium. Further, advanced technologies are emerging that will enhance the competitive use of coal in the industrial sector, such as in steelmaking. Coal processing technologies will enable the entire coal resource base to be used while complying with environmental requirements. These technologies are producing products used by utilities and industrial processes. The capability to coproduce products, such as liquid and solid fuels, electricity, and chemicals, is being demonstrated at a commercial scale by projects in the CCT Program. In summary, this portfolio of technologies is satisfying the national need to maintain a multifuel energy mix in which coal is a key component because of its low-cost, availability, and abundant supply within the nation`s borders.

  17. Integration of waste pyrolysis with coal/oil coprocessing

    SciTech Connect (OSTI)

    Hu, J.; Zhou, P.; Lee, T.L.K.; Comolli, A.

    1998-07-01T23:59:59.000Z

    HTI has developed a novel process, HTI CoPro Plus{trademark}, to produce alternative fuels and chemicals from the combined liquefaction of waste materials, coal, and heavy petroleum residues. Promising results have been obtained from a series of bench tests (PB-01 through PB-06) under the DOE Proof of Concept Program. Recently, HTI acquired a proven technology for the mild co-pyrolysis of used rubber tires and waste refinery or lube oils, developed by the University of Wyoming and Amoco. The feasibility of integration of pyrolysis with coal-oil coprocessing was studied in the eighth bench run (PB-08) of the program. The objective of Run PM-08 was to study the coprocessing of coal with oils derived from mild pyrolysis of scrap tires, waste plastics, and waste lube oils to obtain data required for economic comparisons with the DOE data base. A specific objective was also to study the performance of HTI's newly improved GelCat{trademark} catalyst in coal-waste coprocessing under low-high (Reactor 1-Reactor 2 temperatures) operating mode. This paper presents the results obtained from Run PB-08, a 17-day continuous operation conducted in August 1997. A total of 5 conditions, 343 C + pyrolysis oils derived from co-pyrolysis of rubber tires or a mixture of rubber tires and plastics with waste lube oil, were coprocessed with Black Thunder coal using HTI GelCat{trademark} catalyst. In the last condition, rubber tires were pyrolyzed with 524 C coal liquid to study the possible elimination of lube oil used as pyrolysis processing oil. Overall coal conversion above 90 W% was achieved. Distillate yield as high as 69.2 W% was obtained while hydrogen consumption was only 4.4 W%. The distinct advantage of this process is the increase in hydrogen efficiency as both hydrogen consumption and C{sub 1}{minus}C{sub 3} gas yield decrease. Economic evaluation shows that co-processing of plastics with oil, coal, or mixed oil and coal reduces the equivalent crude oil price to a competitive level. This demonstrates that a combined process of coal liquefaction and waste pyrolysis is economically viable.

  18. Coal pile leachate treatment

    SciTech Connect (OSTI)

    Davis, E C; Kimmitt, R R

    1982-09-01T23:59:59.000Z

    The steam plant located at the Oak Ridge National Laboratory was converted from oil- to coal-fired boilers. In the process, a diked, 1.6-ha coal storage yard was constructed. The purpose of this report is to describe the treatment system designed to neutralize the estimated 18,000 m/sup 3/ of acidic runoff that will be produced each year. A literature review and laboratory treatability study were conducted which identified two treatment systems that will be employed to neutralize the acidic runoff. The first, a manually operated system, will be constructed at a cost of $200,000 and will operate for an interim period of four years. This system will provide for leachate neutralization until a more automated system can be brought on-line. The second, a fully automated system, is described and will be constructed at an estimated cost of $650,000. This automated runoff treatment system will ensure that drainage from the storage yard meets current National Pollutant Discharge Elimination System Standards for pH and total suspended solids, as well as future standards, which are likely to include several metals along with selected trace elements.

  19. Coals and coal requirements for the COREX process

    SciTech Connect (OSTI)

    Heckmann, H. [Deutsche Voest-Alpine Industrieanlagenbau GmbH, Duesseldorf (Germany)

    1996-12-31T23:59:59.000Z

    The utilization of non met coals for production of liquid hot metal was the motivation for the development of the COREX Process by VAI/DVAI during the 70`s. Like the conventional ironmaking route (coke oven/blast furnace) it is based on coal as source of energy and reduction medium. However, in difference to blast furnace, coal can be used directly without the necessary prestep of cokemaking. Coking ability of coals therefore is no prerequisite of suitability. Meanwhile the COREX Process is on its way to become established in ironmaking industry. COREX Plants at ISCOR, Pretoria/South Africa and POSCO Pohang/Korea, being in operation and those which will be started up during the next years comprise already an annual coal consumption capacity of approx. 5 Mio. tonnes mtr., which is a magnitude attracting the interest of industrial coal suppliers. The increasing importance of COREX as a comparable new technology forms also a demand for information regarding process requirements for raw material, especially coal, which is intended to be met here.

  20. Coal surface control for advanced fine coal flotation

    SciTech Connect (OSTI)

    Fuerstenau, D.W.; Sastry, K.V.S.; Hanson, J.S.; Harris, G.; Sotillo, F.; Diao, J. (California Univ., Berkeley, CA (USA)); Somasundaran, P.; Harris, C.C.; Vasudevan, T.; Liu, D.; Li, C. (Columbia Univ., New York, NY (USA)); Hu, Weibai; Zou, Y.; Chen, W. (Utah Univ., Salt Lake City, UT (USA)); Choudhry, V.; Sehgal, R.; Ghosh, A. (Praxis Engineers, Inc., Milpitas, CA (USA))

    1990-08-15T23:59:59.000Z

    The primary objective of this research project is to develop advanced flotation methods for coal cleaning in order to achieve near total pyritic-sulfur removal at 90% Btu recovery, using coal samples procured from six major US coal seams. Concomitantly, the ash content of these coals is to be reduced to 6% or less. Work this quarter concentrated on the following: washability studies, which included particle size distribution of the washability samples, and chemical analysis of washability test samples; characterization studies of induction time measurements, correlation between yield, combustible-material recovery (CMR), and heating-value recovery (HVR), and QA/QC for standard flotation tests and coal analyses; surface modification and control including testing of surface-modifying reagents, restoration of hydrophobicity to lab-oxidized coals, pH effects on coal flotation, and depression of pyritic sulfur in which pyrite depression with calcium cyanide and pyrite depression with xanthated reagents was investigated; flotation optimization and circuitry included staged reagent addition, cleaning and scavenging, and scavenging and middling recycling. Weathering studies are also discussed. 19 figs., 28 tabs.

  1. Rawlins UCG (underground coal gasification) Demonstration Project site characterization report

    SciTech Connect (OSTI)

    Not Available

    1989-04-01T23:59:59.000Z

    The US Department of Energy and Energy International, Inc. have entered into a Cooperative Agreement to conduct a cost-shared UCG field test demonstrating the operation of commercial scale underground coal gasification (UCG) on steeply dipping bed modules to provide synthesis gas for a small scale commercial ammonia plant. The field test and the commercial ammonia plant will be located at the North Knobs site near Rawlins, Wyoming. During this demonstration test, two or more UCG modules will be operated simultaneously until one module is completely consumed and an additional module is brought on line. During this period, the average coal gasification rate will be between 500 and 1200 tons per day. A portion of the raw UCG product gas will be cleaned and converted into a synthesis gas, which will be used as feedstock to a 400--500 ton per day ammonia plant. The UCG facility will continue to operate subsequent to the test demonstration to provide feedstock for the commercial plant. The objective of the geologic site characterization program is to provide a descriptive model that accurately represents the geologic environment of the coal resource that is to be gasified. This model is to be used as an aid in understanding the hydrology of the coal bearing sequence, as a framework for installation of the process wells and the subsequent exploitation of the coal resources. 3 figs., 3 tabs.

  2. continuity program

    National Nuclear Security Administration (NNSA)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645 3,625 1,006 492 742EnergyOn AprilA Approved:AdministrationAnalysisDarby Dietrich5 |0/%2A en6/%2A en Continuity

  3. Multi-parameter on-line coal bulk analysis. Technical progress report, March 16, 1995--June 15, 1995

    SciTech Connect (OSTI)

    NONE

    1995-10-01T23:59:59.000Z

    Research continued on multi-parameter on-line coal bulk analysis. The thermal neutron flux distribution in coal and free air for two types of neutron sources was performed. The MCNP code was used to calculate the gamma ray response function and to determine the thermal neutron flux in coal when a lead collimator was used and when paraffin blocks were placed in front of the sample. The identification of chlorine in coal is discussed along with the analysis of the gamma spectra.

  4. Oxidation of coal and coal pyrite mechanisms and influence on surface characteristics. [Coal pyrite electrodes

    SciTech Connect (OSTI)

    Doyle, F.M.

    1992-01-01T23:59:59.000Z

    The objective of this research is to develop a mechanistic understanding of the oxidation of coal and coal pyrite, and to correlate the intrinsic physical and chemical properties of these minerals, along with changes resulting from oxidation, with those surface properties that influence the behavior in physical cleaning processes. The results will provide fundamental insight into oxidation, in terms of the bulk and surface chemistry, the microstructure, and the semiconductor properties of the pyrite. During the eighth quarter, wet chemical and dry oxidation tests were done on Upper Freeport coal from the Troutville [number sign]2 Mine, Clearfield County, Pennsylvania. In addition electrochemical experiments were done on electrodes prepared from Upper Freeport coal pyrite and Pittsburgh coal pyrite samples provided by the US Bureau of Mines, Pittsburgh Research Center, Pennsylvania.

  5. Coal surface control for advanced fine coal flotation

    SciTech Connect (OSTI)

    Fuerstenau, D.W.; Hanson, J.S.; Diao, J.; Harris, G.H.; De, A.; Sotillo, F. (California Univ., Berkeley, CA (United States)); Somasundaran, P.; Harris, C.C.; Vasudevan, T.; Liu, D.; Li, C. (Columbia Univ., New York, NY (United States)); Hu, W.; Zou, Y.; Chen, W. (Utah Univ., Salt Lake City, UT (United States)); Choudhry, V.; Shea, S.; Ghosh, A.; Sehgal, R. (Praxis Engineers, Inc., Milpitas, CA (United States))

    1992-03-01T23:59:59.000Z

    The initial goal of the research project was to develop methods of coal surface control in advanced froth flotation to achieve 90% pyritic sulfur rejection, while operating at Btu recoveries above 90% based on run-of-mine quality coal. Moreover, the technology is to concomitantly reduce the ash content significantly (to six percent or less) to provide a high-quality fuel to the boiler (ash removal also increases Btu content, which in turn decreases a coal's emission potential in terms of lbs SO{sub 2}/million Btu). (VC)

  6. Carbon dioxide capture technology for the coal-powered electricity industry : a systematic prioritization of research needs

    E-Print Network [OSTI]

    Esber, George Salem, III

    2006-01-01T23:59:59.000Z

    Coal is widely relied upon as a fuel for electric power generation, and pressure is increasing to limit emissions of the CO2 produced during its combustion because of concerns over climate change. In order to continue the ...

  7. The Phase Inversion-based Coal-CO? Slurry (PHICCOS) feeding system : design, coupled multiscale analysis, and technoeconomic assessment

    E-Print Network [OSTI]

    Botero, Cristina, Ph. D. Massachusetts Institute of Technology

    2014-01-01T23:59:59.000Z

    The continuous conveying of a solid feedstock like pulverized coal into a pressurized environment is a challenging task required in multiple industrial processes. Plants based on pressurized, entrained-flow gasifiers (EFG) ...

  8. ENERGY UTILIZATION AND ENVIRONMENTAL CONTROL TECHNOLOGIES IN THE COAL-ELECTRIC CYCLE

    E-Print Network [OSTI]

    Ferrell, G.C.

    2010-01-01T23:59:59.000Z

    Costs References . . Coal-Electric Generation Technologyon coal preparation, coal-electric generation and emissionson coal preparation, coal-electric generation and emissions

  9. ENERGY UTILIZATION AND ENVIRONMENTAL CONTROL TECHNOLOGIES IN THE COAL-ELECTRIC CYCLE

    E-Print Network [OSTI]

    Ferrell, G.C.

    2010-01-01T23:59:59.000Z

    74. Any coal application (coal gasification, coal combustionFixed-Bed Low-Btu Coal Gasification Systems for RetrofittingPower Plants Employing Coal Gasification," Bergman, P. D. ,

  10. MURDOCH UNIVERSITY PERTH, WESTERN AUSTRALIA

    E-Print Network [OSTI]

    MURDOCH UNIVERSITY PERTH, WESTERN AUSTRALIA INAUGRATION CEREMONY 17TH SEPTEMBER, 1974 #12;ORDER Murdoch University, the second university to be established in Western Australia, and the eighteenth in Australia, was constituted 25 July 1973 by an Act of the Parliament of Western Australia. The initial

  11. Accounts Receivable Western Michigan University

    E-Print Network [OSTI]

    de Doncker, Elise

    Accounts Receivable Western Michigan University 1903 W. Michigan Avenue Kalamazoo, MI 49008 have read the Western Michigan University Third Party Billing Policy and agree to the terms. I am authorizing Western Michigan University to bill for the specified tuition and related fees for the term

  12. Accounts Receivable Western Michigan University

    E-Print Network [OSTI]

    de Doncker, Elise

    Accounts Receivable Western Michigan University 1903 W. Michigan Avenue Kalamazoo, MI 49008-5210 269 387-4251 Fax 269 387-4227 THIRD PARTY BILLING POLICY Western Michigan University (WMU# (269) 387-4227 Western Michigan University 1903 W. Michigan Avenue E-mail: wmu

  13. WESTERN MICHIGAN UNIVERSITY STUDENT CODE

    E-Print Network [OSTI]

    de Doncker, Elise

    WESTERN MICHIGAN UNIVERSITY STUDENT CODE Approved by The Western Michigan University Board Michigan University Kalamazoo, MI 49008 Effective August 2008 #12;A UNIVERSITY COMMUNITY IS... ...a for the Advancement of Teaching; Ernest L. Boyer (frwd.); Princeton, New Jersey; 1990 #12;WESTERN MICHIGAN UNIVERSITY

  14. Viscosity Determination of Molten Ash from Low-Grade US Coals

    SciTech Connect (OSTI)

    Zhu, Jingxi [National Energy Technology Laboratory (NETL), Pittsburgh, PA, and Morgantown, WV (United States); URS Corp., Albany, OR (United States); Nakano, Jinichiro [National Energy Technology Laboratory (NETL), Pittsburgh, PA, and Morgantown, WV (United States); URS Corp., Albany, OR (United States); Kaneko, Tetsuya Kenneth [National Energy Technology Laboratory (NETL), Pittsburgh, PA, and Morgantown, WV (United States); Carnegie Mellon Univ., Pittsburgh, PA (United States); Mu, Haoyuan [Carnegie Mellon Univ., Pittsburgh, PA (United States); Bennett, James P. [National Energy Technology Laboratory (NETL), Pittsburgh, PA, and Morgantown, WV (United States); Kwong, Kyei-Sing [National Energy Technology Laboratory (NETL), Pittsburgh, PA, and Morgantown, WV (United States); Rozelle, Peter [US Dept. of Energy, Washington, DC (United States). Office of Clean Energy Systems; Sridhar, Seetharaman [National Energy Technology Laboratory (NETL), Pittsburgh, PA, and Morgantown, WV (United States); Carnegie Mellon Univ., Pittsburgh, PA (United States)

    2011-10-01T23:59:59.000Z

    In entrained slagging gasifiers, the fluidity of the molten ash is a critical factor for process control since it affects slag formation, the capture of inorganic constituents, refractory wear, and slag drainage along the gasification chamber walls. The use of western coal, or mixtures of eastern and western coals as gasifier feedstock, is likely to occur as western coals become available and technological issues that hinder their use are being resolved. In the present work, the viscosity of synthetic slags with ash chemistries simulating the western U.S. coals, was experimentally measured at a Po2?=?10- 8 atm in the temperature range of 1773–1573 K (1500–1300 °C) using a rotating-bob viscometer. Alumina spindles and containment crucibles of both alumina and zirconia were used. Crystallization studies of this slag using a confocal scanning laser microscope found that a (Mg,Fe)Al2O4-based spinel precipitated at temperatures below 1723 K (1450 °C), and this agreed with FactSage equilibrium phase prediction. The same spinels were observed in the post-viscometry experiment slags when ZrO2 crucibles were used and assumed to be in equilibrium with the slag at the higher temperatures. Zirconia dissolution resulted in a slight increase in the solid fraction present in slags at lower temperatures, compared to spinel fraction. Crystal precipitation changed the apparent activation energy and required a longer stabilization times for viscosity measurements. The viscosity results were used in predictive equations based on Veytsman and Einstein's models, with critical nucleation temperatures and the solid fraction calculated with FactSage. In the simulated eastern/western coal feedstock blends based on ash compositions, the fractions of the solid precipitates were also calculated using the thermodynamic program FactSage for each blend composition, and the plastic viscosity of each eastern/western coal slag blend was predicted using Veytsman's model and compared to available experimental data.

  15. Carbon Dioxide Capture from Coal-Fired

    E-Print Network [OSTI]

    Carbon Dioxide Capture from Coal-Fired Power Plants: A Real Options Analysis May 2005 MIT LFEE 2005. LFEE 2005-002 Report #12;#12;i ABSTRACT Investments in three coal-fired power generation technologies environment. The technologies evaluated are pulverized coal (PC), integrated coal gasification combined cycle

  16. Low temperature aqueous desulfurization of coal

    DOE Patents [OSTI]

    Slegeir, W.A.; Healy, F.E.; Sapienza, R.S.

    1985-04-18T23:59:59.000Z

    This invention describes a chemical process for desulfurizing coal, especially adaptable to the treatment of coal-water slurries, at temperatures as low as ambient, comprising treating the coal with aqueous titanous chloride whereby hydrogen sulfide is liberated and the desulfurized coal is separated with the conversion of titanous chloride to titanium oxides.

  17. Formation and retention of methane in coal

    SciTech Connect (OSTI)

    Hucka, V.J.; Bodily, D.M.; Huang, H.

    1992-05-15T23:59:59.000Z

    The formation and retention of methane in coalbeds was studied for ten Utah coal samples, one Colorado coal sample and eight coal samples from the Argonne Premium Coal Sample Bank.Methane gas content of the Utah and Colorado coals varied from zero to 9 cm{sup 3}/g. The Utah coals were all high volatile bituminous coals. The Colorado coal was a gassy medium volatile bituminous coal. The Argonne coals cover a range or rank from lignite to low volatile bituminous coal and were used to determine the effect of rank in laboratory studies. The methane content of six selected Utah coal seams and the Colorado coal seam was measured in situ using a special sample collection device and a bubble desorbometer. Coal samples were collected at each measurement site for laboratory analysis. The cleat and joint system was evaluated for the coal and surrounding rocks and geological conditions were noted. Permeability measurements were performed on selected samples and all samples were analyzed for proximate and ultimate analysis, petrographic analysis, {sup 13}C NMR dipolar-dephasing spectroscopy, and density analysis. The observed methane adsorption behavior was correlated with the chemical structure and physical properties of the coals.

  18. Synthetic fuel production by indirect coal liquefaction

    E-Print Network [OSTI]

    and dimethyl ether) by indirect coal liquefaction (ICL). Gasification of coal pro- duces a synthesis gas by coal gasification. The principal con- stituents of ``syngas'' are carbon monoxide and hydrogen, which modern coal gasification facilities in operation to make hydrogen for ammonia production. Also

  19. Western States Coalbed Methane Production (Billion Cubic Feet)

    Annual Energy Outlook 2013 [U.S. Energy Information Administration (EIA)]

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645 3,625 1,006 492 742 33 111 1,613 122 40CoalLease(Billion Cubic Feet)YearWellhead Price (Dollars perProvedWestern States

  20. Coal ash utilization in India

    SciTech Connect (OSTI)

    Michalski, S.R.; Brendel, G.F.; Gray, R.E. [GAI Consultants, Inc., Pittsburgh, PA (United States)

    1998-12-31T23:59:59.000Z

    This paper describes methods of coal combustion product (CCP) management successfully employed in the US and considers their potential application in India. India produces about 66 million tons per year (mty) of coal ash from the combustion of 220 mty of domestically produced coal, the average ash content being about 30--40 percent as opposed to an average ash content of less than 10 percent in the US In other words, India produces coal ash at about triple the rate of the US. Currently, 95 percent of this ash is sluiced into slurry ponds, many located near urban centers and consuming vast areas of premium land. Indian coal-fired generating capacity is expected to triple in the next ten years, which will dramatically increase ash production. Advanced coal cleaning technology may help reduce this amount, but not significantly. Currently India utilizes two percent of the CCP`s produced with the remainder being disposed of primarily in large impoundments. The US utilizes about 25 percent of its coal ash with the remainder primarily being disposed of in nearly equal amounts between dry landfills and impoundments. There is an urgent need for India to improve its ash management practice and to develop efficient and environmentally sound disposal procedures as well as high volume ash uses in ash haulback to the coalfields. In addition, utilization should include: reclamation, structural fill, flowable backfill and road base.

  1. Liquid CO{sub 2}/Coal Slurry for Feeding Low Rank Coal to Gasifiers

    SciTech Connect (OSTI)

    Marasigan, Jose; Goldstein, Harvey; Dooher, John

    2013-09-30T23:59:59.000Z

    This study investigates the practicality of using a liquid CO{sub 2}/coal slurry preparation and feed system for the E-Gas™ gasifier in an integrated gasification combined cycle (IGCC) electric power generation plant configuration. Liquid CO{sub 2} has several property differences from water that make it attractive for the coal slurries used in coal gasification-based power plants. First, the viscosity of liquid CO{sub 2} is much lower than water. This means it should take less energy to pump liquid CO{sub 2} through a pipe compared to water. This also means that a higher solids concentration can be fed to the gasifier, which should decrease the heat requirement needed to vaporize the slurry. Second, the heat of vaporization of liquid CO{sub 2} is about 80% lower than water. This means that less heat from the gasification reactions is needed to vaporize the slurry. This should result in less oxygen needed to achieve a given gasifier temperature. And third, the surface tension of liquid CO{sub 2} is about 2 orders of magnitude lower than water, which should result in finer atomization of the liquid CO{sub 2} slurry, faster reaction times between the oxygen and coal particles, and better carbon conversion at the same gasifier temperature. EPRI and others have recognized the potential that liquid CO{sub 2} has in improving the performance of an IGCC plant and have previously conducted systemslevel analyses to evaluate this concept. These past studies have shown that a significant increase in IGCC performance can be achieved with liquid CO{sub 2} over water with certain gasifiers. Although these previous analyses had produced some positive results, they were still based on various assumptions for liquid CO{sub 2}/coal slurry properties. This low-rank coal study extends the existing knowledge base to evaluate the liquid CO{sub 2}/coal slurry concept on an E-Gas™-based IGCC plant with full 90% CO{sub 2} capture. The overall objective is to determine if this technology could be used to reduce the cost and improve the efficiency of IGCC plants. The study goes beyond the systems-level analyses and initial lab work that formed the bases of previous studies and includes the following tasks: performing laboratory tests to quantify slurry properties; developing an engineering design of a liquid CO{sub 2} slurry preparation and feed system; conducting a full IGCC plant techno-economic analysis for Powder River Basin (PRB) coal and North Dakota lignite in both water and liquid CO{sub 2} slurries; and identifying a technology development plan to continue the due diligence to conduct a comprehensive evaluation of this technology. The initial task included rheology tests and slurry data analyses that would increase the knowledge and understanding of maximum solids loading capability for both PRB and lignite. Higher coal concentrations have been verified in liquid CO{sub 2} over water slurries, and a coal concentration of 75% by weight in liquid CO{sub 2} has been estimated to be achievable in a commercial application. In addition, lower slurry viscosities have been verified in liquid CO{sub 2} at the same solids loading, where the liquid CO{sub 2}/coal slurry viscosity has been measured to be about a factor of 10 lower than the comparable water slurry and estimated to be less than 100 centipoise in a commercial application. In the following task, an engineering design of a liquid CO{sub 2}/coal slurry preparation and mixing system has been developed for both a batch and continuous system. The capital cost of the design has also been estimated so that it could be used in the economic analysis. An industry search and survey has been conducted to determine if essential components required to construct the feed system are available from commercial sources or if targeted R&D efforts are required. The search and survey concluded that commercial sources are available for selected components that comprise both the batch and continuous type systems. During normal operation, the fuel exits the bottom of the coal silo and is fed to a rod mill fo

  2. Clean coal technologies: A business report

    SciTech Connect (OSTI)

    Not Available

    1993-01-01T23:59:59.000Z

    The book contains four sections as follows: (1) Industry trends: US energy supply and demand; The clean coal industry; Opportunities in clean coal technologies; International market for clean coal technologies; and Clean Coal Technology Program, US Energy Department; (2) Environmental policy: Clean Air Act; Midwestern states' coal policy; European Community policy; and R D in the United Kingdom; (3) Clean coal technologies: Pre-combustion technologies; Combustion technologies; and Post-combustion technologies; (4) Clean coal companies. Separate abstracts have been prepared for several sections or subsections for inclusion on the data base.

  3. CONTINUATION, O DOCUMENT BEING CONTINUED

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645 3,625govInstrumentstdmadapInactiveVisiting the TWPSuccess StoriesFebruary 26, 2014,Lab SeptemberCONTINUATION

  4. The Wilsonville Advanced Coal Liquefaction Research and Development Facility, Wilsonville, Alabama

    SciTech Connect (OSTI)

    Not Available

    1990-05-01T23:59:59.000Z

    This reports presents the operating results for Run 252 at the Advanced Coal Liquefaction R D Facility in Wilsonville, Alabama. This run operated in the Close-Coupled Integrated Two-Stage Liquefaction mode (CC-ITSL) using Illinois No. 6 bituminous coal. The primary run objective was demonstration of unit and system operability in the CC-ITSL mode with catalytic-catalytic reactors and with ash recycle. Run 252 began on 26 November 1986 and continued through 3 February 1987. During this period 214.4 MF tons of Illinois No. 6 coal were fed in 1250 hours of operation. 3 refs., 29 figs., 18 tabs.

  5. Coal Mining on Pitching Seams

    E-Print Network [OSTI]

    Brown, George MacMillan

    1915-01-01T23:59:59.000Z

    . 1915* App r ov e d: Department of Mining Engineering* COAL MUTING ON PITCHING SEAMS A THESIS SUBMITTED TO THE FACULTY OP THE SCHOOL OP ENGINEERING OF THE UNIVERSITY OP KANSAS for THE DEGREE OF ENGINEER OF MINES BY GEORGE MACMILLAN BROWN 1915... PREFACE In the following dissertation on the subject of "Coal Mining in Pitching Beams" the writer desires to describe more particularly those methods of mining peculiar to coal mines in Oklahoma, with which he has been more or less familiar during...

  6. Coal conversion siting on coal mined lands: water quality issues

    SciTech Connect (OSTI)

    Triegel, E.K.

    1980-01-01T23:59:59.000Z

    The siting of new technology coal conversion facilities on land disturbed by coal mining results in both environmental benefits and unique water quality issues. Proximity to mining reduces transportation requirements and restores disrupted land to productive use. Uncertainties may exist, however, in both understanding the existing site environment and assessing the impact of the new technology. Oak Ridge National Laboratory is currently assessing the water-related impacts of proposed coal conversion facilities located in areas disturbed by surface and underground coal mining. Past mining practices, leaving highly permeable and unstable fill, may affect the design and quality of data from monitoring programs. Current mining and dewatering, or past underground mining may alter groundwater or surface water flow patterns or affect solid waste disposal stability. Potential acid-forming material influences the siting of waste disposal areas and the design of grading operations. These and other problems are considered in relation to the uncertainties and potentially unique problems inherent in developing new technologies.

  7. Future Impacts of Coal Distribution Constraints on Coal Cost

    E-Print Network [OSTI]

    McCollum, David L

    2007-01-01T23:59:59.000Z

    EIA), 2007, Coal Transportation Rate Database, http://The EIA then organizes this information into a databaseEIA ratios to go into the BASE CASE Waybill forecast database

  8. Future Impacts of Coal Distribution Constraints on Coal Cost

    E-Print Network [OSTI]

    McCollum, David L

    2007-01-01T23:59:59.000Z

    Data from Forms FERC 423 and EIA 423, “Cost and Quality ofInformation Administration (EIA) projects that the U.S. willyear. In addition, while EIA’s estimates do not take coal-

  9. Clean coal technology. Coal utilisation by-products

    SciTech Connect (OSTI)

    NONE

    2006-08-15T23:59:59.000Z

    The need to remove the bulk of ash contained in flue gas from coal-fired power plants coupled with increasingly strict environmental regulations in the USA result in increased generation of solid materials referred to as coal utilisation by-products, or CUBs. More than 40% of CUBs were sold or reused in the USA in 2004 compared to less than 25% in 1996. A goal of 50% utilization has been established for 2010. The American Coal Ash Association (ACCA) together with the US Department of Energy's Power Plant Improvement Initiative (PPPI) and Clean Coal Power Initiative (CCPI) sponsor a number of projects that promote CUB utilization. Several are mentioned in this report. Report sections are: Executive summary; Introduction; Where do CUBs come from?; Market analysis; DOE-sponsored CUB demonstrations; Examples of best-practice utilization of CUB materials; Factors limiting the use of CUBs; and Conclusions. 14 refs., 1 fig., 5 tabs., 14 photos.

  10. Coal gasification vessel

    DOE Patents [OSTI]

    Loo, Billy W. (Oakland, CA)

    1982-01-01T23:59:59.000Z

    A vessel system (10) comprises an outer shell (14) of carbon fibers held in a binder, a coolant circulation mechanism (16) and control mechanism (42) and an inner shell (46) comprised of a refractory material and is of light weight and capable of withstanding the extreme temperature and pressure environment of, for example, a coal gasification process. The control mechanism (42) can be computer controlled and can be used to monitor and modulate the coolant which is provided through the circulation mechanism (16) for cooling and protecting the carbon fiber and outer shell (14). The control mechanism (42) is also used to locate any isolated hot spots which may occur through the local disintegration of the inner refractory shell (46).

  11. A parametric study of the effects of coal seam properties on gas drainage efficiency

    SciTech Connect (OSTI)

    Remmer, O.J.; Ertekin, T.; King, G.R.

    1984-09-01T23:59:59.000Z

    A mathematical model which simulates the flow of methane and water through a coal seam was developed. Partial differential equations governing the flow of methane and brine were derived from mass balances applied to an elemental volume of the reservoir. A two-dimensional cartesian coordinate system was superimposed on the coal seam and was utilized to transform the continuous flow equations to discrete form by application of finite differences.

  12. ENHANCED COAL BED METHANE PRODUCTION AND SEQUESTRATION OF CO2 IN UNMINEABLE COAL SEAMS

    SciTech Connect (OSTI)

    William A. Williams

    2004-03-01T23:59:59.000Z

    The availability of clean, affordable energy is essential for the prosperity and security of the United States and the world in the 21st century. Emissions of carbon dioxide (CO{sub 2}) into the atmosphere are an inherent part of electricity generation, transportation, and industrial processes that rely on fossil fuels. These energy-related activities are responsible for more than 80 percent of the U.S. greenhouse gas emissions, and most of these emissions are CO{sub 2}. Over the last few decades, an increased concentration of CO{sub 2} in the earth's atmosphere has been observed. Carbon sequestration technology offers an approach to redirect CO{sub 2} emissions into sinks (e.g., geologic formations, oceans, soils and vegetation) and potentially stabilize future atmospheric CO{sub 2} levels. Coal seams are attractive CO{sub 2} sequestration sinks, due to their abundance and proximity to electricity-generation facilities. The recovery of marketable coalbed methane (CBM) provides a value-added stream, potentially reducing the cost to sequester CO{sub 2} gas. Much research is needed to evaluate this technology in terms of CO{sub 2} storage capacity, sequestration stability, commercial feasibility and overall economics. CONSOL Energy Inc., Research & Development (CONSOL), with support from the US DOE, has embarked on a seven-year program to construct and operate a coal bed sequestration site composed of a series of horizontally drilled wells that originate at the surface and extend through two overlying coal seams. Once completed, all of the wells will be used initially to drain CBM from both the upper (mineable) and lower (unmineable) coal seams. After sufficient depletion of the reservoir, centrally located wells in the lower coal seam will be converted from CBM drainage wells to CO{sub 2} injection ports. CO{sub 2} will be measured and injected into the lower unmineable coal seam while CBM continues to drain from both seams. In addition to metering all injected CO{sub 2} and recovered CBM, the program includes additional monitoring wells to further examine horizontal and vertical migration of CO{sub 2}. This is the fifth Technical Progress report for the project. Progress this period was focused on reclamation of the north access road and north well site, and development of revised drilling methods. This report provides a concise overview of project activities this period and plans for future work.

  13. Coal Reburning for Cyclone Boiler NO{sub x} Control Demonstration. Quarterly report No. 11, October--December 1992

    SciTech Connect (OSTI)

    Not Available

    1992-12-31T23:59:59.000Z

    The project involves retrofitting/testing the reburning technology at Wisconsin Power & Light`s 100 MWe Nelson Dewey unit No. 2 in Cassville, Wisconsin to determine the commercial applicability of this technology to reduce NO{sub x} emission levels. The final set of performance tests on Lamar coal were carried out from September 27 through October 9, 1992. Hazardous air pollutant (HAP) testing was performed on Lamar coal from November 2 through November 9, 1992. Also, parametric optimization testing on western sub-bituminous coal was performed from November 16 through December 11, 1992. Both the HAP and western fuel testing were additions to the original project testing scope of Phase III. As of the end of this quarterly report period, project Phase III testing is complete. Preliminary results with western sub-bituminous coal indicate NO{sub 4} reductions in excess of 50% down to the 50% load range. In general, similar reductions are experienced but at a less aggressive stoichiometry in the reburn zone. Accordingly, an additional few percent of NO{sub 4} reduction at the same stoichiometry are noted with the western fuel compared to Lamar results.

  14. Solid state 13C NMR analysis of shales and coals from Laramide Basins. Final report, March 1, 1995--March 31, 1996

    SciTech Connect (OSTI)

    Miknis, F.P.; Jiao, Z.S.; Zhao, Hanqing; Surdam, R.C.

    1998-12-31T23:59:59.000Z

    This Western Research Institute (WRI) jointly sponsored research (JSR) project augmented and complemented research conducted by the University of Wyoming Institute For Energy Research for the Gas Research Institute. The project, {open_quotes}A New Innovative Exploitation Strategy for Gas Accumulations Within Pressure Compartments,{close_quotes} was a continuation of a project funded by the GRI Pressure Compartmentalization Program that began in 1990. That project, {open_quotes}Analysis of Pressure Chambers and Seals in the Powder River Basin, Wyoming and Montana,{close_quotes} characterized a new class of hydrocarbon traps, the discovery of which can provide an impetus to revitalize the domestic petroleum industry. In support of the UW Institute For Energy Research`s program on pressure compartmentalization, solid-state {sup 13}C NMR measurements were made on sets of shales and coals from different Laramide basins in North America. NMR measurements were made on samples taken from different formations and depths of burial in the Alberta, Bighorn, Denver, San Juan, Washakie, and Wind River basins. The carbon aromaticity determined by NMR was shown to increase with depth of burial and increased maturation. In general, the NMR data were in agreement with other maturational indicators, such as vitrinite reflectance, illite/smectite ratio, and production indices. NMR measurements were also obtained on residues from hydrous pyrolysis experiments on Almond and Lance Formation coals from the Washakie Basin. These data were used in conjunction with mass and elemental balance data to obtain information about the extent of carbon aromatization that occurs during artificial maturation. The data indicated that 41 and 50% of the original aliphatic carbon in the Almond and Lance coals, respectively, aromatized during hydrous pyrolysis.

  15. Coal competition: prospects for the 1980s

    SciTech Connect (OSTI)

    Not Available

    1981-03-01T23:59:59.000Z

    This report consists of 10 chapters which present an historical overview of coal and the part it has played as an energy source in the economic growth of the United States from prior to World War II through 1978. Chapter titles are: definition of coals, coal mining; types of coal mines; mining methods; mining work force; development of coal; mine ownership; production; consumption; prices; exports; and imports. (DMC)

  16. LLNL Underground-Coal-Gasification Project. Quarterly progress report, July-September 1981

    SciTech Connect (OSTI)

    Stephens, D.R.; Clements, W. (eds.) [eds.

    1981-11-09T23:59:59.000Z

    We have continued our laboratory studies of forward gasification in small blocks of coal mounted in 55-gal drums. A steam/oxygen mixture is fed into a small hole drilled longitudinally through the center of the block, the coal is ignited near the inlet and burns toward the outlet, and the product gases come off at the outlet. Various diagnostic measurements are made during the course of the burn, and afterward the coal block is split open so that the cavity can be examined. Development work continues on our mathematical model for the small coal block experiments. Preparations for the large block experiments at a coal outcrop in the Tono Basin of Washington State have required steadily increasing effort with the approach of the scheduled starting time for the experiments (Fall 1981). Also in preparation is the deep gasification experiment, Tono 1, planned for another site in the Tono Basin after the large block experiments have been completed. Wrap-up work continues on our previous gasification experiments in Wyoming. Results of the postburn core-drilling program Hoe Creek 3 are presented here. Since 1976 the Soviets have been granted four US patents on various aspects of the underground coal gasification process. These patents are described here, and techniques of special interest are noted. Finally, we include ten abstracts of pertinent LLNL reports and papers completed during the quarter.

  17. Quarterly Review of Methane from Coal-Seams Technology. Volume 9, Number 1, November 1991

    SciTech Connect (OSTI)

    McBane, R.A.; Schwochow, S.D.; Stevens, S.H.

    1991-11-01T23:59:59.000Z

    The paper contains: basin activities--(Powder River Basin, Wyoming and Montana, Wind River Basin-Wyoming, Greater Green River coal region-Wyoming and Colorado, Uinta Basin-Utah, Piceance Basin-Colorado, San Juan Basin-Colorado and New Mexico, Raton Basin-Colorado and New Mexico, and Black Warrior Basin-Alabama); features--(relation between basin hydrology and fruitland gas composition, San Juan Basin, Colorado and New Mexico); methane from coal seams research--(western Cretaceous coal seam project, multiple coal seams project, coalbed methane technology development in the Appalachian Basin, methane from coal deposits technical evaluation and data base (reservoir engineering and analysis), development of formation evaluation technology for coalbed methane development, improved evaluation of coal reservoirs through specialized core analysis, and effective design, real-data analysis, and post-job evaluation of hydraulic fracturing treatments); technical events--(the Coalbed Methane Forums in Denver, Eastern Coalbed Methane Forum in Tuscaloosa, Society of Petroleum Engineers--Gas Technology Symposium, and Society for Mining, Metallurgy, and Exploration--annual meeting).

  18. PARAMETRIC STUDY OF SUBMICRON PARTICULATES FROM PULVERIZED COAL COMBUSTION

    E-Print Network [OSTI]

    Pennucci, J.

    2014-01-01T23:59:59.000Z

    Chemistry of Coal during Combustion and the Emissions fromParticulates Generated by Combustion of Pulverized Coal,Particles from Coal Combustion, presented at the Eighteenth

  19. National Coal Council Presentation/Prepared Remarks | Department...

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    National Coal Council PresentationPrepared Remarks National Coal Council PresentationPrepared Remarks National Coal Council PresentationPrepared Remarks More Documents &...

  20. COMBUSTION OF COAL IN AN OPPOSED FLOW DIFFUSION BURNER

    E-Print Network [OSTI]

    Chin, W.K.

    2010-01-01T23:59:59.000Z

    TABLE 1. Pittsburgh seam coal properties, Grosshandler (content of the Pittsburgh seam coal. As the ash layer beginsfrom Pittsburgh seam pulverized coal, screened through a 35

  1. MULTIPHASE REACTOR MODELING FOR ZINC CHLORIDE CATALYZED COAL LIQUEFACTION

    E-Print Network [OSTI]

    Joyce, Peter James

    2011-01-01T23:59:59.000Z

    ix Introduction. A. Coal Liquefaction Overview B.L ZnCl 2-catalyzed Coal Liquefaction . . . . . . . . . • ,Results. . . • . ZnC1 2/MeOH Coal liquefaction Process

  2. Southern Coal finds value in the met market

    SciTech Connect (OSTI)

    Fiscor, S.

    2009-11-15T23:59:59.000Z

    The Justice family launches a new coal company (Southern Coal Corp.) to serve metallurgical and steam coal markets. 1 tab., 3 photos.

  3. Process for low mercury coal

    DOE Patents [OSTI]

    Merriam, Norman W. (Laramie, WY); Grimes, R. William (Laramie, WY); Tweed, Robert E. (Laramie, WY)

    1995-01-01T23:59:59.000Z

    A process for producing low mercury coal during precombustion procedures by releasing mercury through discriminating mild heating that minimizes other burdensome constituents. Said mercury is recovered from the overhead gases by selective removal.

  4. Coal beneficiation by gas agglomeration

    DOE Patents [OSTI]

    Wheelock, Thomas D.; Meiyu, Shen

    2003-10-14T23:59:59.000Z

    Coal beneficiation is achieved by suspending coal fines in a colloidal suspension of microscopic gas bubbles in water under atmospheric conditions to form small agglomerates of the fines adhered by the gas bubbles. The agglomerates are separated, recovered and resuspended in water. Thereafter, the pressure on the suspension is increased above atmospheric to deagglomerate, since the gas bubbles are then re-dissolved in the water. During the deagglomeration step, the mineral matter is dispersed, and when the pressure is released, the coal portion of the deagglomerated gas-saturated water mixture reagglomerates, with the small bubbles now coming out of the solution. The reagglomerate can then be separated to provide purified coal fines without the mineral matter.

  5. Surface Coal Mining Law (Missouri)

    Broader source: Energy.gov [DOE]

    This law aims to provide for the regulation of coal mining in order to minimize or prevent its adverse effects, protect the environment to the extent possible, protect landowner rights, and...

  6. Coal Mining Reclamation (North Dakota)

    Broader source: Energy.gov [DOE]

    The Reclamation Division of the Public Service Commission is tasked with administering the regulation of surface coal mining and reclamation. Specific regulations can be found in article 69-05.2 of...

  7. MS_Coal_Studyguide.indd

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    atmosphere. Many of these technologies belong to a family of energy systems called "clean coal technologies." Since the mid-1980s, the U.S. Government has invested more than 3...

  8. Coal Beneficiation by Gas Agglomeration

    SciTech Connect (OSTI)

    Thomas D. Wheelock; Meiyu Shen

    2000-03-15T23:59:59.000Z

    Coal beneficiation is achieved by suspending coal fines in a colloidal suspension of microscopic gas bubbles in water under atmospheric conditions to form small agglomerates of the fines adhered by the gas bubbles. The agglomerates are separated, recovered and resuspended in water. Thereafter, the pressure on the suspension is increased above atmospheric to deagglomerate, since the gas bubbles are then re-dissolved in the water. During the deagglomeration step, the mineral matter is dispersed, and when the pressure is released, the coal portion of the deagglomerated gas-saturated water mixture reagglomerates, with the small bubbles now coming out of the solution. The reagglomerate can then be separated to provide purified coal fines without the mineral matter.

  9. Clean Coal Diesel Demonstration Project

    SciTech Connect (OSTI)

    Robert Wilson

    2006-10-31T23:59:59.000Z

    A Clean Coal Diesel project was undertaken to demonstrate a new Clean Coal Technology that offers technical, economic and environmental advantages over conventional power generating methods. This innovative technology (developed to the prototype stage in an earlier DOE project completed in 1992) enables utilization of pre-processed clean coal fuel in large-bore, medium-speed, diesel engines. The diesel engines are conventional modern engines in many respects, except they are specially fitted with hardened parts to be compatible with the traces of abrasive ash in the coal-slurry fuel. Industrial and Municipal power generating applications in the 10 to 100 megawatt size range are the target applications. There are hundreds of such reciprocating engine power-plants operating throughout the world today on natural gas and/or heavy fuel oil.

  10. Process for low mercury coal

    DOE Patents [OSTI]

    Merriam, N.W.; Grimes, R.W.; Tweed, R.E.

    1995-04-04T23:59:59.000Z

    A process is described for producing low mercury coal during precombustion procedures by releasing mercury through discriminating mild heating that minimizes other burdensome constituents. Said mercury is recovered from the overhead gases by selective removal. 4 figures.

  11. Steam Coal Import Costs - EIA

    Annual Energy Outlook 2013 [U.S. Energy Information Administration (EIA)]

    Steam Coal Import Costs for Selected Countries U.S. Dollars per Metric Ton1 (Average Unit Value, CIF2) Country 2001 2002 2003 2004 2005 2006 2007 2008 2009 Belgium 46.96 39.34...

  12. Oxidation of coal and coal pyrite mechanisms and influence on surface characteristics

    SciTech Connect (OSTI)

    Doyle, F.M.

    1992-01-01T23:59:59.000Z

    During the ninth quarter, electrochemical experiments were done on electrodes prepared from Upper Freeport coal pyrite and Pittsburgh coal pyrite samples provided by the US Bureau of Mines, Pittsburgh Research Center, Pennsylvania. Scanning electron microscopy and energy dispersive X-ray analysis were done to characterize the morphology and composition of the surface of as-received coal, oxidized coal and coal pyrite. In addition, electrokinetic tests were done on Upper Freeport coal pyrite.

  13. Streamline coal slurry letdown valve

    DOE Patents [OSTI]

    Platt, Robert J. (Dover, NJ); Shadbolt, Edward A. (Basking Ridge, NJ)

    1983-01-01T23:59:59.000Z

    A streamlined coal slurry letdown valve is featured which has a two-piece throat comprised of a seat and seat retainer. The two-piece design allows for easy assembly and disassembly of the valve. A novel cage holds the two-piece throat together during the high pressure letdown. The coal slurry letdown valve has long operating life as a result of its streamlined and erosion-resistance surfaces.

  14. Streamline coal slurry letdown valve

    SciTech Connect (OSTI)

    Platt, R.J.; Shadbolt, E.A.

    1983-11-08T23:59:59.000Z

    A streamlined coal slurry letdown valve is featured which has a two-piece throat comprised of a seat and seat retainer. The two-piece design allows for easy assembly and disassembly of the valve. A novel cage holds the two-piece throat together during the high pressure letdown. The coal slurry letdown valve has long operating life as a result of its streamlined and erosion-resistance surfaces. 5 figs.

  15. COAL CLEANING BY GAS AGGLOMERATION

    SciTech Connect (OSTI)

    T.D. Wheelock

    1999-03-01T23:59:59.000Z

    The technical feasibility of a gas agglomeration method for cleaning coal was demonstrated by means of bench-scale tests conducted with a mixing system which enabled the treatment of ultra-fine coal particles with a colloidal suspension of microscopic gas bubbles in water. A suitable suspension of microbubbles was prepared by first saturating water with air or carbon dioxide under pressure then reducing the pressure to release the dissolved gas. The formation of microbubbles was facilitated by agitation and a small amount of i-octane. When the suspension of microbubbles and coal particles was mixed, agglomeration was rapid and small spherical agglomerates were produced. Since the agglomerates floated, they were separated from the nonfloating tailings in a settling chamber. By employing this process in numerous agglomeration tests of moderately hydrophobic coals with 26 wt.% ash, it was shown that the ash content would be reduced to 6--7 wt.% while achieving a coal recovery of 75 to 85% on a dry, ash-free basis. This was accomplished by employing a solids concentration of 3 to 5 w/w%, an air saturation pressure of 136 to 205 kPa (5 to 15 psig), and an i-octane concentration of 1.0 v/w% based on the weight of coal.

  16. Geology in coal resource utilization

    SciTech Connect (OSTI)

    Peters, D.C. (ed.)

    1991-01-01T23:59:59.000Z

    The 37 papers in this book were compiled with an overriding theme in mind: to provide the coal industry with a comprehensive source of information on how geology and geologic concepts can be applied to the many facets of coal resource location, extraction, and utilization. The chapters have been arranged to address the major coal geology subfields of Exploration and Reserve Definition, Reserve Estimation, Coalbed Methane, Underground Coal Gasification, Mining, Coal Quality Concerns, and Environmental Impacts, with papers distributed on the basis of their primary emphasis. To help guide one through the collection, the author has included prefaces at the beginning of each chapter. They are intended as a brief lead-in to the subject of the chapter and an acknowledgement of the papers' connections to the subject and contributions to the chapter. In addition, a brief cross-reference section has been included in each preface to help one find papers of interest in other chapters. The subfields of coal geology are intimately intertwined, and investigations in one area may impact problems in another area. Some subfields tend to blur at their edges, such as with reserve definition and reserve estimation. Papers have been processed separately for inclusion on the data base.

  17. Oxy-coal Combustion Studies

    SciTech Connect (OSTI)

    J. Wendt; E. Eddings; J. Lighty; T. Ring; P. Smith; J. Thornock; Y. Jia, W. Morris; J. Pedel; D. Rezeai; L. Wang; J. Zhang; K. Kelly

    2012-01-01T23:59:59.000Z

    The objective of this project is to move toward the development of a predictive capability with quantified uncertainty bounds for pilot-scale, single-burner, oxy-coal operation. This validation research brings together multi-scale experimental measurements and computer simulations. The combination of simulation development and validation experiments is designed to lead to predictive tools for the performance of existing air fired pulverized coal boilers that have been retrofitted to various oxy-firing configurations. In addition, this report also describes novel research results related to oxy-combustion in circulating fluidized beds. For pulverized coal combustion configurations, particular attention is focused on the effect of oxy-firing on ignition and coal-flame stability, and on the subsequent partitioning mechanisms of the ash aerosol. To these ends, the project has focused on the following: â?¢ The development of reliable Large Eddy Simulations (LES) of oxy-coal flames using the Direct Quadrature Method of Moments (DQMOM) (Subtask 3.1). The simulations were validated for both non-reacting particle-laden jets and oxy-coal flames. â?¢ The modifications of an existing oxy-coal combustor to allow operation with high levels of input oxygen to enable in-situ laser diagnostic measurements as well as the development of strategies for directed oxygen injection (Subtask 3.2). Flame stability was quantified for various burner configurations. One configuration that was explored was to inject all the oxygen as a pure gas within an annular oxygen lance, with burner aerodynamics controlling the subsequent mixing. â?¢ The development of Particle Image Velocimetry (PIV) for identification of velocity fields in turbulent oxy-coal flames in order to provide high-fidelity data for the validation of oxy-coal simulation models (Subtask 3.3). Initial efforts utilized a laboratory diffusion flame, first using gas-fuel and later a pulverized-coal flame to ensure the methodology was properly implemented and that all necessary data and image-processing techniques were fully developed. Success at this stage of development led to application of the diagnostics in a large-scale oxy-fuel combustor (OFC). â?¢ The impact of oxy-coal-fired vs. air-fired environments on SO{sub x} (SO{sub 2}, SO{sub 3}) emissions during coal combustion in a pilot-scale circulating fluidized-bed (CFB) (Subtask 3.4). Profiles of species concentration and temperature were obtained for both conditions, and profiles of temperature over a wide range of O{sub 2} concentration were studied for oxy-firing conditions. The effect of limestone addition on SO{sub 2} and SO{sub 3} emissions were also examined for both air- and oxy- firing conditions. â?¢ The investigation of O{sub 2}/CO{sub 2} and O{sub 2}/N{sub 2} environments on SO{sub 2 emissions during coal combustion in a bench-scale single-particle fluidized-bed reactor (Subtask 3.5). Moreover, the sulfation mechanisms of limestone in O{sub 2}/CO{sub 2} and O{sub 2}/N{sub 2} environments were studied, and a generalized gassolid and diffusion-reaction single-particle model was developed to study the effect of major operating variables. â?¢ The investigation of the effect of oxy-coal combustion on ash formation, particle size distributions (PSD), and size-segregated elemental composition in a drop-tube furnace and the 100 kW OFC (Subtask 3.6). In particular, the effect of coal type and flue gas recycle (FGR, OFC only) was investigated.

  18. Advanced Coal Conversion Process Demonstration Project. Environmental Monitoring Plan

    SciTech Connect (OSTI)

    Not Available

    1992-04-01T23:59:59.000Z

    Western Energy Company (WECO) was selected by the Department of Energy (DOE) to demonstrate the Advanced Coal Conversion Process (ACCP) which upgrades low rank coals into high Btu, low sulfur, synthetic bituminous coal. As specified in the Corporate Agreement, RSCP is required to develop an Environmental Monitoring Plan (EMP) which describes in detail the environmental monitoring activities to be performed during the project execution. The purpose of the EMP is to: (1) identify monitoring activities that will be undertaken to show compliance to applicable regulations, (2) confirm the specific environmental impacts predicted in the National Environmental Policy Act documentation, and (3) establish an information base of the assessment of the environmental performance of the technology demonstrated by the project. The EMP specifies the streams to be monitored (e.g. gaseous, aqueous, and solid waste), the parameters to be measured (e.g. temperature, pressure, flow rate), and the species to be analyzed (e.g. sulfur compounds, nitrogen compounds, trace elements) as well as human health and safety exposure levels. The operation and frequency of the monitoring activities is specified, as well as the timing for the monitoring activities related to project phase (e.g. preconstruction, construction, commissioning, operational, post-operational). The EMP is designed to assess the environmental impacts and the environmental improvements resulting from construction and operation of the project.

  19. a contaminant in decline: long-term tbt monitoring at a naval base in Western australia

    E-Print Network [OSTI]

    Burgman, Mark

    a contaminant in decline: long-term tbt monitoring at a naval base in Western australia john a planulatus) in and around the RAN naval base in Cockburn Sound, WesternAustralia, was initiated and continued, Australia. 2 Current address: ES Link Services Pty Ltd, PO Box 10, Castlemaine, VIC 3450, Australia. 3

  20. Making coal burnable: preparation and use

    SciTech Connect (OSTI)

    Rittenhouse, R.C.

    1985-06-01T23:59:59.000Z

    This paper offers several different views on the tools available to boost the burnability of coal. One view of making coal burnable and for better emissions control lies in the combustion process. One approach is fluidized bed combustion and the two choices within this technology are atmospheric (AFBC) and pressurized (PFBC). Several tests are being conducted to develop the slagging combustor technology for direct conversion from oil to coal. Some advantages listed for this method are a simple retrofit, low particulate, NO/sub x/ and SO/sub 2/ emissions, no modification for burning pulverized coal or coal/water slurry, no ash and no moving parts. Another method discussed is coal blending. The industrial and utility coal burning demand, combined with vacillating regulatory situations, reveals a need for coal users to be ever more alert to fuel price and availability. Technologies in the three areas of application -- coal preparation/cleaning, combustion, and emissions control -- offer an endless array of combinations.

  1. Western Regional Partnership Overview

    Broader source: Energy.gov (indexed) [DOE]

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645 3,625 1,006 492 742EnergyOn AprilA group currentBradley Nickell DirectorThe&Management Alert Western Area

  2. NOx EMISSIONS PRODUCED WITH COMBUSTION OF POWDER RIVER BASIN COAL IN A UTILITY BOILER

    SciTech Connect (OSTI)

    John S. Nordin; Norman W. Merriam

    1997-04-01T23:59:59.000Z

    The objective of this report is to estimate the NOx emissions produced when Powder River Basin (PRB) coal is combusted in a utility boiler. The Clean Air Act regulations specify NOx limits of 0.45 lb/mm Btu (Phase I) and 0.40 lb/mm Btu (Phase II) for tangentially fired boilers, and 0.50 lb/mm 13tu (Phase II) and 0.46 lb/mm Btu (Phase II) for dry-bottom wall-fired boilers. The Clean Air Act regulations also specify other limits for other boiler types. Compliance for Phase I has been in effect since January 1, 1996. Compliance for Phase II goes into effect on January 1, 2000. Emission limits are expressed as equivalent NO{sub 2} even though NO (and sometimes N{sub 2}O) is the NOx species emitted during combustion. Regulatory agencies usually set even lower NOx emission limits in ozone nonattainment areas. In preparing this report, Western Research Institute (WRI) used published test results from utilities burning various coals, including PRB coal, using state-of-the art control technology for minimizing NOx emissions. Many utilities can meet Clean Air Act NOx emission limits using a combination of tight combustion control and low-NOx burners and by keeping furnaces clean (i.e., no slag buildup). In meeting these limits, some utilities also report problems such as increased carbon in their fly ash and excessive furnace tube corrosion. This report discusses utility experience. The theory of NOx emission formation during coal combustion as related to coal structure and how the coal is combusted is also discussed. From this understanding, projections are made for NOx emissions when processed PRB coal is combusted in a test similar to that done with other coals. As will be shown, there are a lot of conditions for achieving low NOx emissions, such as tight combustion control and frequent waterlancing of the furnace to avoid buildup of deposits.

  3. Rocky Mountain 1 Underground Coal Gasification Project

    SciTech Connect (OSTI)

    Not Available

    1992-03-01T23:59:59.000Z

    The Rocky Mountain 1 Underground Coal Gasification Test or Burn was conducted from approximately mid-November, 1987 through February, 1988. After the burn the project began proceeding with the following overall tasks: venting, flushing and cooling of the cavities; subsurface or groundwater cleanup; post-burn coring and drilling; groundwater monitoring, and site restoration/reclamation. By the beginning of 1991 field activities associated with venting, flushing and cooling of the cavities and post-burn coring and drilling had been completed. However, data analysis continued including the University of North Dakota analyzing drilling and coring data, and the US Department of Energy (DOE)/EG G developing a chronological listing of project events.

  4. Enhancement of surface properties for coal beneficiation

    SciTech Connect (OSTI)

    Chander, S.; Aplan, F.F.

    1992-01-30T23:59:59.000Z

    This report will focus on means of pyrite removal from coal using surface-based coal cleaning technologies. The major subjects being addressed in this study are the natural and modulated surface properties of coal and pyrite and how they may best be utilized to facilitate their separation using advanced surface-based coal cleaning technology. Emphasis is based on modified flotation and oil agglomerative processes and the basic principles involved. The four areas being addressed are: (1) Collectorless flotation of pyrite; (2) Modulation of pyrite and coal hydrophobicity; (3) Emulsion processes and principles; (4) Evaluation of coal hydrophobicity.

  5. Coal Transportation Issues (released in AEO2007)

    Reports and Publications (EIA)

    2007-01-01T23:59:59.000Z

    Most of the coal delivered to U.S. consumers is transported by railroads, which accounted for 64% of total domestic coal shipments in 2004. Trucks transported approximately 12% of the coal consumed in the United States in 2004, mainly in short hauls from mines in the East to nearby coal-fired electricity and industrial plants. A number of minemouth power plants in the West also use trucks to haul coal from adjacent mining operations. Other significant modes of coal transportation in 2004 included conveyor belt and slurry pipeline (12%) and water transport on inland waterways, the Great Lakes, and tidewater areas (9%).

  6. ENHANCED COAL BED METHANE PRODUCTION AND SEQUESTRATION OF CO2 IN UNMINEABLE COAL SEAMS

    SciTech Connect (OSTI)

    Gary L. Cairns

    2002-10-01T23:59:59.000Z

    The availability of clean, affordable energy is essential for the prosperity and security of the United States and the world in the 21st century. Carbon dioxide (CO{sub 2}) emissions to the atmosphere are an inherent part of energy-related activities, such as electricity generation, transportation, and building systems. These energy-related activities are responsible for roughly 85% of the U.S. greenhouse gas emissions, and 95% of these emissions are dominated by CO{sub 2}. Over the last few decades, an increased concentration of CO{sub 2} in the earth's atmosphere has been observed. Many scientists believe greenhouse gases, particularly CO{sub 2}, trap heat in the earth's atmosphere. Carbon sequestration technology offers an approach to redirect CO{sub 2} emissions into sinks (e.g., geologic formations, oceans, soils, and vegetation) and potentially stabilize future atmospheric CO{sub 2} levels. Coal seams are attractive CO{sub 2} sequestration sinks, due to their abundance and proximity to electricity-generation facilities. The recovery of marketable coal bed methane (CBM) provides a value-added stream, reducing the cost to sequester CO{sub 2} gas. Much research is needed to evaluate this technology in terms of CO{sub 2} storage capacity, sequestration stability, commercial feasibility and overall economics. CONSOL Energy, with support from the U.S. DOE, is conducting a seven-year program to construct and operate a coal bed sequestration site composed of a series of horizontally drilled wells that originate at the surface and extend through overlying coal seams in the subsurface. Once completed, the wells will be used to initially drain CBM from both the upper (mineable) and lower (unmineable) coal seams. After sufficient depletion of the reservoir, centrally located wells in the lower coal seam will be converted from CBM drainage wells to CO{sub 2} injection ports. CO{sub 2} will be measured and injected into the lower unmineable coal seam while CBM continues to drain from both seams. In addition to metering all injected CO{sub 2} and CBM produced, the program includes a plan to monitor horizontal migration of CO{sub 2} within the lower seam. This is the second Technical Progress report for the project. Progress to date has been focused on pre-construction activities; in particular, attaining site approvals and securing property rights for the project. This report provides a concise overview of project activity this period and plans for future work. This is the second semi-annual Technical Progress report under the subject agreement. During this report period, progress was made in completing the environmental assessment report, securing land and coal rights, and evaluating drilling strategies. These aspects of the project are discussed in detail in this report.

  7. Description of Wyoming coal fields and seam analyses

    SciTech Connect (OSTI)

    Glass, G.B.

    1983-01-01T23:59:59.000Z

    Introductory material describe coal-bearing areas, coal-bearing rocks, and the structural geology of coal-bearing areas, discussing coal rank, proximate analyses, sulfur content, heat value, trace elements, carbonizing properties, coking coal, coking operations, in-situ gasification, coal mining, and production. The paper then gives descriptions of the coal seams with proximate analyses, where available, located in the following areas: Powder River coal basin, Green River region, Hanna field, Hams Fork coal region, and Bighorn coal basin. Very brief descriptions are given of the Wind River coal basin, Jackson Hole coal field, Black Hills coal region, Rock Creek coal field, and Goshen Hole coal field. Finally coal resources, production, and reserves are discussed. 76 references.

  8. Coal combustion by wet oxidation

    SciTech Connect (OSTI)

    Bettinger, J.A.; Lamparter, R.A.; McDowell, D.C.

    1980-11-15T23:59:59.000Z

    The combustion of coal by wet oxidation was studied by the Center for Waste Management Programs, of Michigan Technological University. In wet oxidation a combustible material, such as coal, is reacted with oxygen in the presence of liquid water. The reaction is typically carried out in the range of 204/sup 0/C (400/sup 0/F) to 353/sup 0/C (650/sup 0/F) with sufficient pressure to maintain the water present in the liquid state, and provide the partial pressure of oxygen in the gas phase necessary to carry out the reaction. Experimental studies to explore the key reaction parameters of temperature, time, oxidant, catalyst, coal type, and mesh size were conducted by running batch tests in a one-gallon stirred autoclave. The factors exhibiting the greatest effect on the extent of reaction were temperature and residence time. The effect of temperature was studied from 204/sup 0/C (400/sup 0/F) to 260/sup 0/C (500/sup 0/F) with a residence time from 600 to 3600 seconds. From this data, the reaction activation energy of 2.7 x 10/sup 4/ calories per mole was determined for a high-volatile-A-Bituminous type coal. The reaction rate constant may be determined at any temperature from the activation energy using the Arrhenius equation. Additional data were generated on the effect of mesh size and different coal types. A sample of peat was also tested. Two catalysts were evaluated, and their effects on reaction rate presented in the report. In addition to the high temperature combustion, low temperature desulfurization is discussed. Desulfurization can improve low grade coal to be used in conventional combustion methods. It was found that 90% of the sulfur can be removed from the coal by wet oxidation with the carbon untouched. Further desulfurization studies are indicated.

  9. Chemical composition and some trace element contents in coals and coal ash from Tamnava-Zapadno Polje Coal Field, Serbia

    SciTech Connect (OSTI)

    Vukasinovic-Pesic, V.; Rajakovic, L.J. [University of Montenegro, Podgorica (Montenegro)

    2009-07-01T23:59:59.000Z

    The chemical compositions and trace element contents (Zn, Cu, Co, Cr, Ni, Pb, Cd, As, B, Hg, Sr, Se, Be, Ba, Mn, Th, V, U) in coal and coal ash samples from Tamnava-Zapadno Polje coal field in Serbia were studied. The coal from this field belongs to lignite. This high volatility coal has high moisture and low S contents, moderate ash yield, and high calorific value. The coal ash is abundant in alumosilicates. Many trace elements such as Ni > Cd > Cr > B > As > Cu > Co > Pb > V > Zn > Mn in the coal and Ni > Cr > As > B > Cu > Co = Pb > V > Zn > Mn in the coal ash are enriched in comparison with Clarke concentrations.

  10. Cost to the Indian economy of mining coal

    SciTech Connect (OSTI)

    Bansal, N.K.; Bhave, A. [Indian Inst. of Technology, New Delhi (India). Centre of Energy Studies

    1995-03-01T23:59:59.000Z

    Like steel production, energy production is one of the significant parameters of stage of advancement of a developing economy. Availability of energy at the right price is vital for development. Coal is a primary resource of energy. The price of coal has been a very important parameter in the Indian economy. In the past 20 years coal has been marketed at administered prices. There has been a very complex mechanism at work for this purpose. There have been a lot of incentives given to thin industry. These, in fact, are tantamount to subsidies. The role of subsidies is well acknowledged and is considered quite useful to the economy. A detailed analysis by carefully studying the methodology of mining and delineating various stages in mining has been conducted, and the subsidies, which have traditionally not been quantified, have been calculated The impact of each parameter on the total subsidy has been studied to facilitate continuance or change in the subsidy by adopting a suitable strategy for coal pricing, as presently the considerations show unaccounted-for subsidies to be more than 70% of the price charged.

  11. Clean Coal Technology Demonstration Program: Program update 1993

    SciTech Connect (OSTI)

    Not Available

    1994-03-01T23:59:59.000Z

    The Clean Coal Technology Demonstration Program (also referred to as the CCT Program) is a $6.9 billion cost-shared industry/government technology development effort. The program is to demonstrate a new generation of advanced coal-based technologies, with the most promising technologies being moved into the domestic and international marketplace. Technology has a vital role in ensuring that coal can continue to serve U.S. energy interests and enhance opportunities for economic growth and employment while meeting the national committment to a clean and healthy global environment. These technologies are being advanced through the CCT Program. The CCT Program supports three substantive national objectives: ensuring a sustainable environment through technology; enhancing energy efficiency and reliability; providing opportunities for economic growth and employment. The technologies being demonstrated under the CCT Program reduce the emissions of sulfur oxides, nitrogen oxides, greenhouse gases, hazardous air pollutants, solid and liquid wastes, and other emissions resulting from coal use or conversion to other fuel forms. These emissions reductions are achieved with efficiencies greater than or equal to currently available technologies.

  12. Overall requirements for an advanced underground coal extraction system

    SciTech Connect (OSTI)

    Goldsmith, M.; Lavin, M.L.

    1980-10-15T23:59:59.000Z

    This report presents overall requirements on underground mining systems suitable for coal seams exploitable in the year 2000, with particular relevance to the resources of Central Appalachia. These requirements may be summarized as follows: (1) Production Cost: demonstrate a return on incremental investment of 1.5 to 2.5 times the value required by a low-risk capital project. (2) Miner Safety: achieve at least a 50% reduction in deaths and disabling injuries per million man-hours. (3) Miner Health: meet the intent of all applicable regulations, with particular attention to coal dust, carcinogens, and mutagens; and with continued emphasis on acceptable levels of noise and vibration, lighting, humidity and temperature, and adequate work space. (4) Environmental Impact: maintain the value of mined and adjacent lands at the pre-mining value following reclamation; mitigation of off-site impacts should not cost more than the procedures used in contemporary mining. (5) Coal Conservation: the recovery of coal from the seam being mined should be at least as good as the best available contemporary technology operating in comparable conditions. No significant trade-offs between production cost and other performance indices were found.

  13. COMBUSTION OF COAL IN AN OPPOSED FLOW DIFFUSION BURNER

    E-Print Network [OSTI]

    Chin, W.K.

    2010-01-01T23:59:59.000Z

    of Methanol and a Methanol/Coal Slurry," Lawrence Berkeleyweight polymer of glucose. A coal slurry consisting of 80%

  14. The development of coal-based technologies for Department of Defense facilities: Phase 1 final report. Volume 1: Technical report

    SciTech Connect (OSTI)

    Miller, B.G.; Morrison, J.L.; Pisupati, S.V. [Pennsylvania State Univ., University Park, PA (United States). Energy and Fuels Research Center] [and others

    1997-01-31T23:59:59.000Z

    The first phase of a three-phase project investigating the development of coal-based technologies for Department of Defense facilities has been completed. The objectives of the project are to: decrease DOD`s dependence on foreign oil and increase its use of coal; promote public and private sector deployment of technologies for utilizing coal-based fuels in oil-designed combustion equipment; and provide a continuing environment for research and development of coal-based fuel technologies for small-scale applications at a time when market conditions in the US are not favorable for the introduction of coal-fired equipment in the commercial and industrial capacity ranges. The Phase 1 activities were focused on developing clean, coal-based combustion technologies for the utilization of both micronized coal-water mixtures (MCWMs) and dry, micronized coal (DMC) in fuel oil-designed industrial boilers. The specific objective in Phase 1 was to deliver fully engineered retrofit options for a fuel oil-designed watertube boiler located on a DOD installation to fire either MCWM or DMC. This was achieved through a project consisting of fundamental, pilot-sale, and demonstration-scale activities investigating coal beneficiation and preparation, and MCWM and DMC combustion performance. In addition, detailed engineering designs and an economic analysis were conducted for a boiler located at the Naval Surface Warfare Center, near Crane, Indiana. Results are reported on MCWM and DMC combustion performance evaluation; engineering design; and cost/economic analysis.

  15. Development of coal-based technologies for Department of Defense Facilities. Semiannual technical progress report, September 28, 1996--March 27, 1997

    SciTech Connect (OSTI)

    Miller, B.G.; Miller, S.F.; Pisupati, S.V. [and others

    1997-07-22T23:59:59.000Z

    The U.S. Department of Defense (DOD), through an Interagency Agreement with the U.S. Department of Energy (DOE), has initiated a three-phase program with the Consortium for Coal-Water Slurry Fuel Technology, with the aim of developing technologies which can potentially decrease DOD`s reliance on imported oil by increasing its use of coal. The program is being conducted as a cooperative agreement between the Consortium and DOE. Work in Phase II focused on emissions reductions, coal beneficiation/preparation studies, and economic analyses of coal use. Work in Phase III focused on coal preparation studies, pilot-scale NO{sub x} reduction studies, economic analyses of coal use, and evaluation of deeply-cleaned coal as boiler fuel. Coal preparation studies were focused on continuing activities on particle size control, physical separations, surface-based separation processes, and dry processing. Preliminary pilot-scale NO{sub x} reduction catalyst tests were conducted when firing natural gas in Penn State`s down-fired combustor. This is the first step in the scale-up of bench-scale results obtained in Phase II to the demonstration boiler scale when firing coal. The economic study focused on community sensitivity to coal usage, regional/national economic impacts of new coal utilization technologies, and constructing a national energy portfolio. The evaluation of deeply-cleaned coal as boiler fuel included installing a ribbon mixer into Penn State`s micronized coal-water mixture circuit for reentraining filter cake. In addition, three cleaned coals were received from CQ Inc. and three cleaned coals were received from Cyprus-Amax.

  16. Bitterroot College Continuing Education

    E-Print Network [OSTI]

    Vonessen, Nikolaus

    , including homesteaders use of coal, discovery of oil, recent horizontal drilling and fracking revolution, and fracking process Overview of oil and gas transportation Life of an oil well industrial site. Information

  17. Repowering with clean coal technologies

    SciTech Connect (OSTI)

    Freier, M.D. [USDOE Morgantown Energy Technology Center, WV (United States); Buchanan, T.L.; DeLallo, M.L.; Goldstein, H.N. [Parsons Power Group, Inc., Reading, PA (United States)

    1996-02-01T23:59:59.000Z

    Repowering with clean coal technology can offer significant advantages, including lower heat rates and production costs, environmental compliance, incremental capacity increases, and life extension of existing facilities. Significant savings of capital costs can result by refurbishing and reusing existing sites and infrastructure relative to a greenfield siting approach. This paper summarizes some key results of a study performed by Parsons Power Group, Inc., under a contract with DOE/METC, which investigates many of the promising advanced power generation technologies in a repowering application. The purpose of this study was to evaluate the technical and economic results of applying each of a menu of Clean Coal Technologies in a repowering of a hypothetical representative fossil fueled power station. Pittsburgh No. 8 coal is used as the fuel for most of the cases evaluated herein, as well as serving as the fuel for the original unrepowered station. The steam turbine-generator, condenser, and circulating water system are refurbished and reused in this study, as is most of the existing site infrastructure such as transmission lines, railroad, coal yard and coal handling equipment, etc. The technologies evaluated in this study consisted of an atmospheric fluidized bed combustor, several varieties of pressurized fluid bed combustors, several types of gasifiers, a refueling with a process derived fuel, and, for reference, a natural gas fired combustion turbine-combined cycle.

  18. Clean Coal Program Research Activities

    SciTech Connect (OSTI)

    Larry Baxter; Eric Eddings; Thomas Fletcher; Kerry Kelly; JoAnn Lighty; Ronald Pugmire; Adel Sarofim; Geoffrey Silcox; Phillip Smith; Jeremy Thornock; Jost Wendt; Kevin Whitty

    2009-03-31T23:59:59.000Z

    Although remarkable progress has been made in developing technologies for the clean and efficient utilization of coal, the biggest challenge in the utilization of coal is still the protection of the environment. Specifically, electric utilities face increasingly stringent restriction on the emissions of NO{sub x} and SO{sub x}, new mercury emission standards, and mounting pressure for the mitigation of CO{sub 2} emissions, an environmental challenge that is greater than any they have previously faced. The Utah Clean Coal Program addressed issues related to innovations for existing power plants including retrofit technologies for carbon capture and sequestration (CCS) or green field plants with CCS. The Program focused on the following areas: simulation, mercury control, oxycoal combustion, gasification, sequestration, chemical looping combustion, materials investigations and student research experiences. The goal of this program was to begin to integrate the experimental and simulation activities and to partner with NETL researchers to integrate the Program's results with those at NETL, using simulation as the vehicle for integration and innovation. The investigators also committed to training students in coal utilization technology tuned to the environmental constraints that we face in the future; to this end the Program supported approximately 12 graduate students toward the completion of their graduate degree in addition to numerous undergraduate students. With the increased importance of coal for energy independence, training of graduate and undergraduate students in the development of new technologies is critical.

  19. MINIMIZATION OF NO EMISSIONS FROM MULTI-BURNER COAL-FIRED BOILERS

    SciTech Connect (OSTI)

    E.G. Eddings; A. Molina; D.W. Pershing; A.F. Sarofim; K.A. Davis; M.P. Heap; T.H. Fletcher; H. Zhang

    2000-04-01T23:59:59.000Z

    Coal continues to be one of the principal energy sources for electric power generation in the United States. One of the biggest environmental challenges involved with coal utilization is the reduction of nitrogen oxides (NO{sub x}) formed during coal combustion. The most economical method of NO{sub x} abatement in coal combustion is through burner modification. Air-staging techniques have been widely used in the development of low-NO{sub x} pulverized coal burners, promoting the conversion of NO{sub x} to N{sub 2} by delaying the mixing in the fuel-rich zone near the burner inlet. Previous studies have looked at the mechanisms of NO{sub x} evolution at relatively low temperatures where primary pyrolysis is dominant, but data published for secondary pyrolysis in the pulverized coal furnace are scarce. In this project, the nitrogen evolution behavior during secondary coal pyrolysis will be explored. The end result will be a complete model of nitrogen evolution and NO{sub x} precursor formation due to primary and secondary pyrolysis.

  20. The key to minimizing minesite versus utility laboratory analyses on Powder River Basin coals

    SciTech Connect (OSTI)

    Rexin, M.G.

    1995-08-01T23:59:59.000Z

    Powder River Basin (PRB) coals are continuing to expand their areas of use into regions previously reserved for higher ranked coals. PRB coals are subbituminous by rank. Inherent moisture values of 25 to 30 percent are the norm. PRB coals, being lower rank in nature, also tend to oxidize very easily. These factors combined produce a coal which can cause analysis problems for laboratories unaccustomed to PRB coals. In fact, even laboratories that deal with this type of coal on a daily basis can experience analytical difficulties. Special care needs to be taken by both minesite laboratory and the utility laboratory to ensure accurate analyses. Cooperation between both parties is the key to reproducible analyses. Only by working together can parties fully analyze the situation and develop analytical methods acceptable to both. This paper will describe the methods employed by the Caballo Rojo Mine (CRM) and the Georgia Power Company (GPC) to resolve laboratory analysis differences found during shipments by CRM to GPC beginning in 1994. The following topics are discussed: initial comparative results, analytical investigations, the cooperative process, recent comparative results, and conclusions.

  1. Potential growth of nuclear and coal electricity generation in the US

    SciTech Connect (OSTI)

    Bloomster, C.H.; Merrill, E.T.

    1989-08-01T23:59:59.000Z

    Electricity demand should continue to grow at about the same rate as GNP, creating a need for large amounts of new generating capacity over the next fifty years. Only coal and nuclear at this time have the abundant domestic resources and assured technology to meet this need. However, large increase in both coal and nuclear usage will require solutions to many of the problems that now deter their increased usage. For coal, the problems center around the safety and environmental impacts of increased coal mining and coal combustion. For nuclear, the problems center around reactor safety, radioactive waste disposal, financial risk, and nuclear materials safeguards. This report assesses the impacts associated with a range of projected growth rates in electricity demand over the next 50 years. The resource requirements and waste generation resulting from pursuing the coal and nuclear fuel options to meet the projected growth rates are estimated. The fuel requirements and waste generation for coal plants are orders of magnitude greater than for nuclear. Improvements in technology and waste management practices must be pursued to mitigate environmental and safety concerns about electricity generation from both options. 34 refs., 18 figs., 14 tabs.

  2. DECKER COALFIELD, POWDER RIVER BASIN, MONTANA: GEOLOGY, COAL QUALITY, AND COAL

    E-Print Network [OSTI]

    Chapter PD DECKER COALFIELD, POWDER RIVER BASIN, MONTANA: GEOLOGY, COAL QUALITY, AND COAL RESOURCES Tertiary coal beds and zones in the Northern RockyMountains and Great Plains region, U.S. Geological Survey of selected Tertiary coal beds and zones in the Northern Rocky Mountains and Great Plains region, U

  3. Arrowhead Center: Coal Production and Regional Economic Growth Report Title: Coal Production and Regional Economic Growth

    E-Print Network [OSTI]

    Johnson, Eric E.

    Arrowhead Center: Coal Production and Regional Economic Growth Report Title: Coal Production@nmsu.edu #12;Arrowhead Center: Coal Production and Regional Economic Growth i Disclaimer This report States Government or any agency thereof. #12;Arrowhead Center: Coal Production and Regional Economic

  4. SHERIDAN COALFIELD, POWDER RIVER BASIN: GEOLOGY, COAL QUALITY, AND COAL RESOURCES

    E-Print Network [OSTI]

    Chapter PH SHERIDAN COALFIELD, POWDER RIVER BASIN: GEOLOGY, COAL QUALITY, AND COAL RESOURCES By M assessment of selected Tertiary coal beds and zones in the Northern RockyMountains and Great Plains region, U Resource assessment of selected Tertiary coal beds and zones in the Northern Rocky Mountains and Great

  5. Argonne Premium Coal Sample Bank The Argonne Premium Coal (APC) Sample Bank can supply

    E-Print Network [OSTI]

    Maranas, Costas

    Argonne Premium Coal Sample Bank Background Overview T The Argonne Premium Coal (APC) Sample Bank can supply researchers with highly uniform, well-protected coal samples unexposed to oxygen. Researchers investigating coal structure, properties, and behavior can benefit greatly from these samples

  6. EFFECT OF COAL DUST ONEFFECT OF COAL DUST ON RAILROAD BALLAST STRENGTHRAILROAD BALLAST STRENGTH

    E-Print Network [OSTI]

    Barkan, Christopher P.L.

    1 EFFECT OF COAL DUST ONEFFECT OF COAL DUST ON RAILROAD BALLAST STRENGTHRAILROAD BALLAST STRENGTH for Laboratory StudyFouling Mechanism / Need for Laboratory Study Mechanical Properties of Coal DustMechanical Properties of Coal Dust Grain Size AnalysisGrain Size Analysis AtterbergAtterberg LimitsLimits Specific

  7. ASHLAND COALFIELD, POWDER RIVER BASIN, MONTANA: GEOLOGY, COAL QUALITY, AND COAL

    E-Print Network [OSTI]

    Chapter PA ASHLAND COALFIELD, POWDER RIVER BASIN, MONTANA: GEOLOGY, COAL QUALITY, AND COAL of selected Tertiary coal beds and zones in the Northern RockyMountains and Great Plains region, U Resource assessment of selected Tertiary coal beds and zones in the Northern Rocky Mountains and Great

  8. Color Removal from Pulp Mill Effluent Using Coal Ash Produced from Georgia Coal Combustion Power Plants

    E-Print Network [OSTI]

    Hutcheon, James M.

    permits. To improve the aesthetic qualities of the effluent, coal ash (from local power plants_mill_discharge.jpg 2. Coal Power Plant http://www.csmonitor.com/var/ezflow_site/storage/images/media/images/2008Color Removal from Pulp Mill Effluent Using Coal Ash Produced from Georgia Coal Combustion Power

  9. Climate VISION: Events - Advanced Clean Coal Workshop

    Office of Scientific and Technical Information (OSTI)

    Secretary Kyle McSlarrow, DOE, and Jim Rogers, CEO Chairman, Cinergy 10:15 Break 10:30 Case Studies on Clean Coal Projects Case StudiesLessons Learned on Clean Coal Plants (to...

  10. February 21 -22, 2014 Coast Coal Harbour

    E-Print Network [OSTI]

    Handy, Todd C.

    February 21 - 22, 2014 Coast Coal Harbour 1180 W Hastings St Vancouver, BC Healthy Mothers contact by phone: +1 604-822- 7708 or by e-mail: melissa.ipce@ubc.ca. Location The Coast Coal Harbour

  11. Integrated coal cleaning, liquefaction, and gasification process

    DOE Patents [OSTI]

    Chervenak, Michael C. (Pennington, NJ)

    1980-01-01T23:59:59.000Z

    Coal is finely ground and cleaned so as to preferentially remove denser ash-containing particles along with some coal. The resulting cleaned coal portion having reduced ash content is then fed to a coal hydrogenation system for the production of desirable hydrocarbon gases and liquid products. The remaining ash-enriched coal portion is gasified to produce a synthesis gas, the ash is removed from the gasifier usually as slag, and the synthesis gas is shift converted with steam and purified to produce the high purity hydrogen needed in the coal hydrogenation system. This overall process increases the utilization of as-mined coal, reduces the problems associated with ash in the liquefaction-hydrogenation system, and permits a desirable simplification of a liquids-solids separation step otherwise required in the coal hydrogenation system.

  12. Ohio Coal Research and Development Program (Ohio)

    Broader source: Energy.gov [DOE]

    The Ohio Coal Development Office invests in the development and implementation of technologies that can use Ohio's vast reserves of coal in an economical, environmentally sound manner. Projects are...

  13. Integrated Coal Gasification Power Plant Credit (Kansas)

    Broader source: Energy.gov [DOE]

    Integrated Coal Gasification Power Plant Credit states that an income taxpayer that makes a qualified investment in a new integrated coal gasification power plant or in the expansion of an existing...

  14. Respiratory disease in Utah coal miners

    SciTech Connect (OSTI)

    Rom, W.N.; Kanner, R.E.; Renzetti, A.D. Jr.; Shigeoka, J.W.; Barkman, H.W.; Nichols, M.; Turner, W.A.; Coleman, M.; Wright, W.E.

    1981-04-01T23:59:59.000Z

    Two hundred forty-two Utah underground coal miners volunteered to participate in a respiratory disease study. They were an older group (mean, 56 years of age) and had spent a mean of 29 years in the coal-mining industry. The prevalence of chronic bronchitis was 57%, and that of coal worker's pneumoconiosis, 25%; only one worker had progressive massive fibrosis. Significant impairment of pulmonary function was found among those with a history of cigarette smoking. Chronic bronchitis or coal worker's penumoconiosis among nonsmokers did not impair pulmonary function. There was a significant association among the nonsmokers between increasing exposure to coal dust and coal worker's pneumoconiosis, but not for changes in pulmonary function. Coal mine dust had a significant influence in causing the symptom complex of chronic cough and sputum production, and coal worker's pneumoconiosis.

  15. Respiratory disease in Utah coal miners

    SciTech Connect (OSTI)

    Rom, W.N.; Kanner, R.E.; Renzetti, A.D. Jr.; Shigeoka, J.W.; Barkman, H.W.; Nichols, M.; Turner, W.A.; Coleman, M.; Wright, W.E.

    1981-04-01T23:59:59.000Z

    Two hundred forty-two Utah underground coal miners volunteered to participate in a respiratory disease study. They were an older group (mean, 56 years of age) and had spent a mean of 29 years in the coal-mining industry. The prevalence of chronic bronchitis was 57%, and that of coal worker's pneumoconiosis, 25%; only one worker had progressive massive fibrosis. Significant impairment of pulmonary function was found among those with a history of cigarette smoking. Chronic bronchitis or coal worker's pneumoconiosis among nonsmokers did not impair pulmonary function. There was a significant association among the nonsmokers between increasing exposure to coal dust and coal worker's pneumoconiosis, but not for changes in pulmonary function. Coal mine dust had a significant influence in causing the symptom complex of chronic cough and sputum production, and coal worker's pneumoconiosis.

  16. Clean Coal Incentive Tax Credit (Kentucky)

    Broader source: Energy.gov [DOE]

    Clean Coal Incentive Tax Credit provides for a property tax credit for new clean coal facilities constructed at a cost exceeding $150 million and used for the purposes of generating electricity....

  17. coal feeding | netl.doe.gov

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    DOE Supported R&D for CoalBiomass Feed and Gasification Gasification Systems Program R&D The Department of Energy is currently developing technology for high pressure dry coal...

  18. Advanced coal-fueled industrial cogeneration gas turbine system. Annual report, June 1990--June 1991

    SciTech Connect (OSTI)

    LeCren, R.T.; Cowell, L.H.; Galica, M.A.; Stephenson, M.D.; Wen, C.S.

    1991-07-01T23:59:59.000Z

    Advances in coal-fueled gas turbine technology over the past few years, together with recent DOE-METC sponsored studies, have served to provide new optimism that the problems demonstrated in the past can be economically resolved and that the coal-fueled gas turbine can ultimately be the preferred system in appropriate market application sectors. The objective of the Solar/METC program is to prove the technical, economic, and environmental feasibility of a coal-fired gas turbine for cogeneration applications through tests of a Centaur Type H engine system operated on coal fuel throughout the engine design operating range. The five-year program consists of three phases, namely: (1) system description; (2) component development; (3) prototype system verification. A successful conclusion to the program will initiate a continuation of the commercialization plan through extended field demonstration runs.

  19. Advanced Coal Conversion Process Demonstration Project. Technical progress report, January 1, 1995--March 31, 1995

    SciTech Connect (OSTI)

    NONE

    1996-06-01T23:59:59.000Z

    This detailed report describes the technical progress made on the Advanced Coal Conversion Process (ACCP) Demonstration Project. This U.S. Department of Energy (DOE) Clean Coal Technology Project demonstrates an advanced thermal coal upgrading process, coupled with physical cleaning techniques, that is designed to upgrade high-moisture, low-rank coals to high-quality, low-sulfur fuel. During this reporting period, the primary focus for the project was to expand market awareness and acceptability for the products and the technology. The use of covered hopper cars has been successful and marketing efforts have focused on this technique. Operational improvements are currently aimed at developing fines marketing systems, increasing throughput capacity, decreasing operation costs, and developing standardized continuous operator training. Testburns at industrial user sites were also conducted. A detailed process description; technical progress report including facility operations/plant production, facility testing, product testing, and testburn product; and process stability report are included. 3 figs., 8 tabs.

  20. Canada's coal industry: full swing ahead

    SciTech Connect (OSTI)

    Stone, K. [Natural Resources Canada (Canada). Minerals and Metals Sector

    2007-03-15T23:59:59.000Z

    The article presents facts and figures about Canada's coal industry in 2006 including production, exports, imports, mines in operation, the Genesee 3 coal-fired generation unit, the Dodds-Roundhill Gasification Project, and new coal mine development plans. The outlook for 2007 is positive, with coal production expected to increase from 67 Mt in 2006 to 70 Mt in 2007 and exports expected to increase from 28 Mt in 2006 to 30 Mt in 2007.