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Sample records for gas cleanup system

  1. DOE, RTI to Design and Build Gas Cleanup System for IGCC Power...

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

    DOE, RTI to Design and Build Gas Cleanup System for IGCC Power Plants DOE, RTI to Design and Build Gas Cleanup System for IGCC Power Plants July 13, 2009 - 1:00pm Addthis ...

  2. Proceedings of the seventh annual gasification and gas stream cleanup systems contractors review meeting: Volume 2

    SciTech Connect (OSTI)

    Ghate, M.R.; Markel, K.E. Jr.; Jarr, L.A.; Bossart, S.J.

    1987-08-01

    On June 16 through 19, 1987, METC sponsored the Seventh Annual Gasification and Gas Stream Cleanup Systems Contractors Review Meeting which was held at the Sheraton Lakeview Conference Center in Morgantown, West Virginia. The primary purpose of the meeting was threefold: to review the technical progress and current status of the gasification and gas stream cleanup projects sponsored by the Department of Energy; to foster technology exchange among participating researchers and other technical communities; to facilitate interactive dialogues which would identify research needs that would make coal-based gasification systems more attractive economically and environmentally. More than 310 representatives of Government, academia, industry, and foreign energy research organizations attended the 4-day meeting. Fifty-three papers and thirty poster dsplays were presented summarizing recent developments in the gasification and gas stream cleanup programs. Volume II covers papers presented at sessions 5 and 6 on system for the production of synthesis gas, and on system for the production of power. All papers have been processed for inclusion in the Energy Data Base.

  3. Proceedings of the seventh annual gasification and gas stream cleanup systems contractors review meeting: Volume 1

    SciTech Connect (OSTI)

    Ghate, M.R.; Markel, K.E. Jr.; Jarr, L.A.; Bossart, S.J.

    1987-08-01

    On June 16 through 19, 1987, METC sponsored the Seventh Annual Gasification and Gas Stream Cleanup Systems Contractors Review Meeting which was held at the Sheraton Lakeview Conference Center in Morgantown, West Virginia. The primary purpose of the meeting was threefold: to review the technical progress and current status of the gasification and gas stream cleanup projects sponsored by the Department of Energy; to foster technology exchange among participating researchers and other technical communities; to facilitate interactive dialogues which would identify research needs that would make coal-based gasification systems more attractive economically and environmentally. More than 310 representatives of Government, academia, industry, and foreign energy research organizations attended the 4-day meeting. Fifty-three papers and thirty poster displays were presented summarizing recent developments in the gasification and gas stream cleanup programs. Volume I covers information presented at sessions 1 through 4 on systems for the production of Co-products and industrial fuel gas, environmental projects, and components and materials. Individual papers have been processed for the Energy Data Base.

  4. Equipment Design and Cost Estimation for Small Modular Biomass Systems, Synthesis Gas Cleanup, and Oxygen Separation Equipment; Task 2: Gas Cleanup Design and Cost Estimates -- Wood Feedstock

    SciTech Connect (OSTI)

    Nexant Inc.

    2006-05-01

    As part of Task 2, Gas Cleanup and Cost Estimates, Nexant investigated the appropriate process scheme for treatment of wood-derived syngas for use in the synthesis of liquid fuels. Two different 2,000 metric tonne per day gasification schemes, a low-pressure, indirect system using the gasifier, and a high-pressure, direct system using gasification technology were evaluated. Initial syngas conditions from each of the gasifiers was provided to the team by the National Renewable Energy Laboratory. Nexant was the prime contractor and principal investigator during this task; technical assistance was provided by both GTI and Emery Energy.

  5. Reactor water cleanup system

    DOE Patents [OSTI]

    Gluntz, D.M.; Taft, W.E.

    1994-12-20

    A reactor water cleanup system includes a reactor pressure vessel containing a reactor core submerged in reactor water. First and second parallel cleanup trains are provided for extracting portions of the reactor water from the pressure vessel, cleaning the extracted water, and returning the cleaned water to the pressure vessel. Each of the cleanup trains includes a heat exchanger for cooling the reactor water, and a cleaner for cleaning the cooled reactor water. A return line is disposed between the cleaner and the pressure vessel for channeling the cleaned water thereto in a first mode of operation. A portion of the cooled water is bypassed around the cleaner during a second mode of operation and returned through the pressure vessel for shutdown cooling. 1 figure.

  6. Reactor water cleanup system

    DOE Patents [OSTI]

    Gluntz, Douglas M.; Taft, William E.

    1994-01-01

    A reactor water cleanup system includes a reactor pressure vessel containing a reactor core submerged in reactor water. First and second parallel cleanup trains are provided for extracting portions of the reactor water from the pressure vessel, cleaning the extracted water, and returning the cleaned water to the pressure vessel. Each of the cleanup trains includes a heat exchanger for cooling the reactor water, and a cleaner for cleaning the cooled reactor water. A return line is disposed between the cleaner and the pressure vessel for channeling the cleaned water thereto in a first mode of operation. A portion of the cooled water is bypassed around the cleaner during a second mode of operation and returned through the pressure vessel for shutdown cooling.

  7. Equipment Design and Cost Estimation for Small Modular Biomass Systems, Synthesis Gas Cleanup, and Oxygen Separation Equipment; Task 2.3: Sulfur Primer

    SciTech Connect (OSTI)

    Nexant Inc.

    2006-05-01

    This deliverable is Subtask 2.3 of Task 2, Gas Cleanup Design and Cost Estimates, of NREL Award ACO-5-44027, ''Equipment Design and Cost Estimation for Small Modular Biomass Systems, Synthesis Gas Cleanup and Oxygen Separation Equipment''. Subtask 2.3 builds upon the sulfur removal information first presented in Subtask 2.1, Gas Cleanup Technologies for Biomass Gasification by adding additional information on the commercial applications, manufacturers, environmental footprint, and technical specifications for sulfur removal technologies. The data was obtained from Nexant's experience, input from GTI and other vendors, past and current facility data, and existing literature.

  8. Renewable Natural Gas Clean-up Challenges and Applications |...

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

    More Documents & Publications Renewable Natural Gas Clean-up Challenges and Applications Renewable Natural Gas Clean-up Challenges and Applications Blending Hydrogen into Natural ...

  9. Quadrogen Gas Clean-Up Technology for Fuel Cell Applications

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

    to: Quadrogen Gas Clean-up Technology for Fuel Cell Applications Presented by: Alakh ... Quadrogen Overview Developed proprietary gas clean-up technology for fuel cell ...

  10. Gas Cleanup Strategies in Europe

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

    HYGEAR GAS CLEANING EUROPE ELLART DE WIT ABOUT HYGEAR * Established in 2002 - 65 people - ... line Confidential & Proprietary NATURAL GAS CLEANING - SULFUR * Most sulfur is removed ...

  11. Desulfurization of fuel gases in fluidized bed gasification and hot fuel gas cleanup systems

    DOE Patents [OSTI]

    Steinberg, M.; Farber, G.; Pruzansky, J.; Yoo, H.J.; McGauley, P.

    1983-08-26

    A problem with the commercialization of fluidized bed gasification is that vast amounts of spent sorbent are generated if the sorbent is used on a once-through basis, especially if high sulfur coals are burned. The requirements of a sorbent for regenerative service in the FBG process are: (1) it must be capable of reducing the sulfur containing gas concentration of the FBG flue gas to within acceptable environmental standards; (2) it must not lose its reactivity on cyclic sulfidation and regeneration; (3) it must be capable of regeneration with elimination of substantially all of its sulfur content; (4) it must have good attrition resistance; and, (5) its cost must not be prohibitive. It has now been discovered that calcium silicate pellets, e.g., Portland cement type III pellets meet the criteria aforesaid. Calcium silicate removes COS and H/sub 2/S according to the reactions given to produce calcium sulfide silicate. The sulfur containing product can be regenerated using CO/sub 2/ as the regenerant. The sulfur dioxide can be conveniently reduced to sulfur with hydrogen or carbon for market or storage. The basic reactions in the process of this invention are the reactions with calcium silicate given in the patent. A convenient and inexpensive source of calcium silicate is Portland cement. Portland cement is a readily available, widely used construction meterial.

  12. Particulate hot gas stream cleanup technical issues

    SciTech Connect (OSTI)

    Pontius, D.H.; Snyder, T.R.

    1999-09-30

    The analyses of hot gas stream cleanup particulate samples and descriptions of filter performance studied under this contract were designed to address problems with filter operation that have been linked to characteristics of the collected particulate matter. One objective of this work was to generate an interactive, computerized data bank of the key physical and chemical characteristics of ash and char collected from operating advanced particle filters and to relate these characteristics to the operation and performance of these filters. The interactive data bank summarizes analyses of over 160 ash and char samples from fifteen pressurized fluidized-bed combustion and gasification facilities utilizing high-temperature, high pressure barrier filters.

  13. Equipment Design and Cost Estimation for Small Modular Biomass Systems, Synthesis Gas Cleanup, and Oxygen Separation Equipment; Task 9: Mixed Alcohols From Syngas -- State of Technology

    SciTech Connect (OSTI)

    Nexant Inc.

    2006-05-01

    This deliverable is for Task 9, Mixed Alcohols from Syngas: State of Technology, as part of National Renewable Energy Laboratory (NREL) Award ACO-5-44027, ''Equipment Design and Cost Estimation for Small Modular Biomass Systems, Synthesis Gas Cleanup and Oxygen Separation Equipment''. Task 9 supplements the work previously done by NREL in the mixed alcohols section of the 2003 technical report Preliminary Screening--Technical and Economic Assessment of Synthesis Gas to Fuels and Chemicals with Emphasis on the Potential for Biomass-Derived Syngas.

  14. Equipment Design and Cost Estimation for Small Modular Biomass Systems, Synthesis Gas Cleanup, and Oxygen Separation Equipment; Task 1: Cost Estimates of Small Modular Systems

    SciTech Connect (OSTI)

    Nexant Inc.

    2006-05-01

    This deliverable is the Final Report for Task 1, Cost Estimates of Small Modular Systems, as part of NREL Award ACO-5-44027, ''Equipment Design and Cost Estimation for Small Modular Biomass Systems, Synthesis Gas Cleanup and Oxygen Separation Equipment''. Subtask 1.1 looked into processes and technologies that have been commercially built at both large and small scales, with three technologies, Fluidized Catalytic Cracking (FCC) of refinery gas oil, Steam Methane Reforming (SMR) of Natural Gas, and Natural Gas Liquids (NGL) Expanders, chosen for further investigation. These technologies were chosen due to their applicability relative to other technologies being considered by NREL for future commercial applications, such as indirect gasification and fluidized bed tar cracking. Research in this subject is driven by an interest in the impact that scaling has on the cost and major process unit designs for commercial technologies. Conclusions from the evaluations performed could be applied to other technologies being considered for modular or skid-mounted applications.

  15. Biomass Gas Cleanup Using a Therminator

    SciTech Connect (OSTI)

    David C. Dayton; Atish Kataria; Rabhubir Gupta

    2012-03-06

    The objective of the project is to develop and demonstrate a novel fluidized-bed process module called a “Therminator” to simultaneously destroy and/or remove tar, NH3 and H2S from raw syngas produced by a fluidized-bed biomass gasifier. The raw syngas contains as much as 10 g/m3 of tar, 4,000 ppmv of NH3 and 100 ppmv of H2S. The goal of the Therminator module would be to use promising regenerable catalysts developed for removing tar, ammonia, and H2S down to low levels (around 10 ppm). Tars are cracked to a non-condensable gas and coke that would deposit on the acid catalyst. We will deposit coke, much like a fluid catalytic cracker (FCC) in a petroleum refinery. The deposited coke fouls the catalyst, much like FCC, but the coke would be burned off in the regenerator and the regenerated catalyst would be returned to the cracker. The rapid circulation between the cracker and regenerator would ensure the availability of the required amount of regenerated catalyst to accomplish our goal. Also, by removing sulfur down to less than 10 ppmv, NH3 decomposition would also be possible in the cracker at 600-700°C. In the cracker, tar decomposes and lays down coke on the acid sites of the catalyst, NH3 is decomposed using a small amount of metal (e.g., nickel or iron) catalyst incorporated into the catalyst matrix, and H2S is removed by a small amount of a metal oxide (e.g. zinc oxide or zinc titanate) by the H2S-metal oxide reaction to form metal sulfide. After a tolerable decline in activity for these reactions, the catalyst particles (and additives) are transported to the regenerator where they are exposed to air to remove the coke and to regenerate the metal sulfide back to metal oxide. Sulfate formation is avoided by running the regeneration with slightly sub-stoichiometric quantity of oxygen. Following regeneration, the catalyst is transported back to the cracker and the cycling continues. Analogous to an FCC reactor system, rapid cycling will allow the use of very active cracking catalysts that lose activity due to coking within the order of several seconds.

  16. Flue gas cleanup using the Moving-Bed Copper Oxide Process (Journal

    Office of Scientific and Technical Information (OSTI)

    Article) | SciTech Connect Journal Article: Flue gas cleanup using the Moving-Bed Copper Oxide Process Citation Details In-Document Search Title: Flue gas cleanup using the Moving-Bed Copper Oxide Process The use of copper oxide on a support had been envisioned as a gas cleanup technique to remove sulfur dioxide (SO{sub 2}) and nitric oxides (NO{sub x}) from flue gas produced by the combustion of coal for electric power generation. In general, dry, regenerable flue gas cleanup techniques

  17. Task 6.5 - Gas Separation and Hot-Gas Cleanup (Technical Report) | SciTech

    Office of Scientific and Technical Information (OSTI)

    Connect Task 6.5 - Gas Separation and Hot-Gas Cleanup Citation Details In-Document Search Title: Task 6.5 - Gas Separation and Hot-Gas Cleanup Catalytic gasification of coal to produce H{sub 2}- and CH{sub 4}-rich gases for consumption in molten carbonate fuel cells is currently under development; however, to optimize the fuel cell performance and extend its operating life, it is desired to separate as much of the inerts (i.e., CO{sub 2} and N{sub 2}) and impurities (i.e., H{sub 2}S and

  18. Task 6.5 - Gas Separation and Hot-Gas Cleanup (Technical Report) | SciTech

    Office of Scientific and Technical Information (OSTI)

    Connect Task 6.5 - Gas Separation and Hot-Gas Cleanup Citation Details In-Document Search Title: Task 6.5 - Gas Separation and Hot-Gas Cleanup × You are accessing a document from the Department of Energy's (DOE) SciTech Connect. This site is a product of DOE's Office of Scientific and Technical Information (OSTI) and is provided as a public service. Visit OSTI to utilize additional information resources in energy science and technology. A paper copy of this document is also available for

  19. Workshop on Gas Clean-Up for Fuel Cell Applications - Agenda

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

    on Gas Clean-Up for Fuel Cell Applications Sponsored by The Fuel Cell Technologies Office, ... USDOE D. Papageorgopoulos 11:00 AM Natural Gas Fuel Cells: Technology, Advantages and ...

  20. Workshop on Gas Clean-Up for Fuel Cell Applications | Department of Energy

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

    Workshop on Gas Clean-Up for Fuel Cell Applications Workshop on Gas Clean-Up for Fuel Cell Applications The U.S. Department of Energy's (DOE's) Argonne National Laboratory (ANL) hosted the Workshop on Gas Clean-Up for Fuel Cell Applications on March 6-7, 2014, in Argonne, Illinois. The workshop was sponsored by the DOE Fuel Cell Technologies Office and included participants from industry, academia, national labs, government agencies, and other stakeholders. The objectives of the workshop were to

  1. DOE Issues Request for Information on Gas Clean-Up for Fuel Cell

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

    Applications | Department of Energy Gas Clean-Up for Fuel Cell Applications DOE Issues Request for Information on Gas Clean-Up for Fuel Cell Applications June 1, 2015 - 10:37am Addthis The U.S. Department of Energy's (DOE's) Fuel Cell Technologies Office has issued a request for information (RFI) to obtain feedback and opinions from industry, academia, research laboratories, government agencies, and other stakeholders on the report findings from the Gas Clean-up for Fuel Cell Applications

  2. SUBTASK 3.12 - GASIFICATION, WARM-GAS CLEANUP, AND LIQUID FUELS...

    Office of Scientific and Technical Information (OSTI)

    Other: SUBTASK 3.12 - GASIFICATION, WARM-GAS CLEANUP, AND LIQUID FUELS PRODUCTION WITH ILLINOIS COAL Citation Details In-Document Search Title: SUBTASK 3.12 - GASIFICATION, ...

  3. SUBTASK 3.12 - GASIFICATION, WARM-GAS CLEANUP, AND LIQUID FUELS

    Office of Scientific and Technical Information (OSTI)

    PRODUCTION WITH ILLINOIS COAL (Other) | SciTech Connect Other: SUBTASK 3.12 - GASIFICATION, WARM-GAS CLEANUP, AND LIQUID FUELS PRODUCTION WITH ILLINOIS COAL Citation Details In-Document Search Title: SUBTASK 3.12 - GASIFICATION, WARM-GAS CLEANUP, AND LIQUID FUELS PRODUCTION WITH ILLINOIS COAL The goal of this project was to evaluate the performance of Illinois No. 6 coal blended with biomass in a small-scale entrained-flow gasifier and demonstrate the production of liquid fuels under three

  4. Renewable Natural Gas Clean-up Challenges and Applications

    Broader source: Energy.gov [DOE]

    Presentation by Brian Weeks, Gas Technology Institute, at the Waste-to-Energy Using Fuel Cells Workshop held Jan. 13, 2011

  5. Removal of Process Gas Equipment Marks Portsmouth Site Cleanup Milestone

    Broader source: Energy.gov [DOE]

    PIKE COUNTY, Ohio – The U.S. Department of Energy (DOE) recently met a significant milestone in the Portsmouth Site (PORTS) deactivation effort by removing the final component of process gas...

  6. Evaluation of gasification and gas cleanup processes for use in molten carbonate fuel cell power plants. Final report. [Contains lists and evaluations of coal gasification and fuel gas desulfurization processes

    SciTech Connect (OSTI)

    Jablonski, G.; Hamm, J.R.; Alvin, M.A.; Wenglarz, R.A.; Patel, P.

    1982-01-01

    This report satisfies the requirements for DOE Contract AC21-81MC16220 to: List coal gasifiers and gas cleanup systems suitable for supplying fuel to molten carbonate fuel cells (MCFC) in industrial and utility power plants; extensively characterize those coal gas cleanup systems rejected by DOE's MCFC contractors for their power plant systems by virtue of the resources required for those systems to be commercially developed; develop an analytical model to predict MCFC tolerance for particulates on the anode (fuel gas) side of the MCFC; develop an analytical model to predict MCFC anode side tolerance for chemical species, including sulfides, halogens, and trace heavy metals; choose from the candidate gasifier/cleanup systems those most suitable for MCFC-based power plants; choose a reference wet cleanup system; provide parametric analyses of the coal gasifiers and gas cleanup systems when integrated into a power plant incorporating MCFC units with suitable gas expansion turbines, steam turbines, heat exchangers, and heat recovery steam generators, using the Westinghouse proprietary AHEAD computer model; provide efficiency, investment, cost of electricity, operability, and environmental effect rankings of the system; and provide a final report incorporating the results of all of the above tasks. Section 7 of this final report provides general conclusions.

  7. Gas cleanup for combined cycle power generation using a hot gas conditioning catalyst

    SciTech Connect (OSTI)

    Paisley, M.A.; Gebhard, S.C.

    1995-11-01

    Biomass gasification provides the potential to efficiently and economically produce a renewable source of a clean gaseous fuel suitable for power generation or synthesis gas (syngas) applications. Biomass as the feedstock for the process is uniquely suited to this application because it provides the means to increase the nation`s energy security, and also, to potentially provide a more stable agricultural industry. An important side benefit of the use of biomass is the effective minimization of the primary greenhouse gas, carbon dioxide (CO{sub 2}), by providing a means to close-loop the CO{sub 2} cycle. However, high molecular weight hydrocarbon constituents (tar) in the product gas from gasification can complicate the downstream uses of the gas. This paper discusses both the development of a low cost, disposable catalyst system that can eliminate these heavy hydrocarbons from the gas and the use of the catalyst in conjunction with the Battelle high-throughput gasification process for power generation systems.

  8. Method of and apparatus for preheating pressurized fluidized bed combustor and clean-up subsystem of a gas turbine power plant

    DOE Patents [OSTI]

    Cole, Rossa W.; Zoll, August H.

    1982-01-01

    In a gas turbine power plant having a pressurized fluidized bed combustor, gas turbine-air compressor subsystem and a gas clean-up subsystem interconnected for fluid flow therethrough, a pipe communicating the outlet of the compressor of the gas turbine-air compressor subsystem with the interior of the pressurized fluidized bed combustor and the gas clean-up subsystem to provide for flow of compressed air, heated by the heat of compression, therethrough. The pressurized fluidized bed combustor and gas clean-up subsystem are vented to atmosphere so that the heated compressed air flows therethrough and loses heat to the interior of those components before passing to the atmosphere.

  9. 2020 Vision for Tank Waste Cleanup (One System Integration) - 12506

    SciTech Connect (OSTI)

    Harp, Benton; Charboneau, Stacy; Olds, Erik

    2012-07-01

    The mission of the Department of Energy's Office of River Protection (ORP) is to safely retrieve and treat the 56 million gallons of Hanford's tank waste and close the Tank Farms to protect the Columbia River. The millions of gallons of waste are a by-product of decades of plutonium production. After irradiated fuel rods were taken from the nuclear reactors to the processing facilities at Hanford they were exposed to a series of chemicals designed to dissolve away the rod, which enabled workers to retrieve the plutonium. Once those chemicals were exposed to the fuel rods they became radioactive and extremely hot. They also couldn't be used in this process more than once. Because the chemicals are caustic and extremely hazardous to humans and the environment, underground storage tanks were built to hold these chemicals until a more permanent solution could be found. The Cleanup of Hanford's 56 million gallons of radioactive and chemical waste stored in 177 large underground tanks represents the Department's largest and most complex environmental remediation project. Sixty percent by volume of the nation's high-level radioactive waste is stored in the underground tanks grouped into 18 'tank farms' on Hanford's central plateau. Hanford's mission to safely remove, treat and dispose of this waste includes the construction of a first-of-its-kind Waste Treatment Plant (WTP), ongoing retrieval of waste from single-shell tanks, and building or upgrading the waste feed delivery infrastructure that will deliver the waste to and support operations of the WTP beginning in 2019. Our discussion of the 2020 Vision for Hanford tank waste cleanup will address the significant progress made to date and ongoing activities to manage the operations of the tank farms and WTP as a single system capable of retrieving, delivering, treating and disposing Hanford's tank waste. The initiation of hot operations and subsequent full operations of the WTP are not only dependent upon the successful design and construction of the WTP, but also on appropriately preparing the tank farms and waste feed delivery infrastructure to reliably and consistently deliver waste feed to the WTP for many decades. The key components of the 2020 vision are: all WTP facilities are commissioned, turned-over and operational, achieving the earliest possible hot operations of completed WTP facilities, and supplying low-activity waste (LAW) feed directly to the LAW Facility using in-tank/near tank supplemental treatment technologies. A One System Integrated Project Team (IPT) was recently formed to focus on developing and executing the programs that will be critical to successful waste feed delivery and WTP startup. The team is comprised of members from Bechtel National, Inc. (BNI), Washington River Protection Solutions LLC (WRPS), and DOE-ORP and DOE-WTP. The IPT will combine WTP and WRPS capabilities in a mission-focused model that is clearly defined, empowered and cost efficient. The genesis for this new team and much of the 2020 vision is based on the work of an earlier team that was tasked with identifying the optimum approach to startup, commissioning, and turnover of WTP facilities for operations. This team worked backwards from 2020 - a date when the project will be completed and steady-state operations will be underway - and identified success criteria to achieving safe and efficient operations of the WTP. The team was not constrained by any existing contract work scope, labor, or funding parameters. Several essential strategies were identified to effectively realize the one-system model of integrated feed stream delivery, WTP operations, and product delivery, and to accomplish the team's vision of hot operations beginning in 2016: - Use a phased startup and turnover approach that will allow WTP facilities to be transitioned to an operational state on as short a timeline as credible. - Align Tank Farm (TF) and WTP objectives such that feed can be supplied to the WTP when it is required for hot operations. - Ensure immobilized waste and waste recycle streams can be recei

  10. Preliminary design of a fusion reactor fuel cleanup system by the palladium-alloy membrane method

    SciTech Connect (OSTI)

    Yoshida, H.; Konishi, S.; Naruse, Y.

    1983-05-01

    A design for a palladium diffuser and fuel cleanup system for a deuterium-tritium fusion reactor is proposed. The feasibility of the palladium-alloy membrane method is discussed based on early studies by the authors. Operating conditions of the palladium diffuser are determined experimentally. Dimensions of the diffuser are estimated from computer simulation. A fuel cleanup system is designed under the feed conditions of the Tritium Systems Test Assembly at Los Alamos National Laboratory. The system is composed of palladium diffusers, catalytic oxidizer, freezer, and zinc beds and has some advantages in system layout and operation. This design can readily be extended to other conditions of plasma exhaust gases.

  11. Commercial demonstration of the NOXSO SO{sub 2}/NO{sub x} removal flue gas cleanup system. Quarterly technical progress report No. 12, December 1, 1993--February 28, 1994

    SciTech Connect (OSTI)

    1994-12-31

    The NOXSO process is a dry, post-combustion flue gas treatment technology which uses a regenerable sorbent to simultaneously adsorb sulfur dioxide (SO{sub 2}) and nitrogen oxides (NO{sub x}) from the flue gas of a coal-fired utility boiler. In the process, the SO{sub 2} is reduced to sulfur by-product and the NO{sub x} is reduced to nitrogen and oxygen. It is predicted that the process can economically remove 90% of the acid rain precursor gases from the flue gas stream in a retrofit or new facility. The objective of the NOXSO Demonstration Project is to design, construct, and operate a flue gas treatment system utilizing the NOXSO process. The effectiveness of the process will be demonstrated by achieving significant reductions in emissions of sulfur and nitrogen oxides. In addition, sufficient operating data will be obtained to confirm the process economics and provide a basis to guarantee performance on a commercial scale. The project is presently in the project definition and preliminary design phase. Data obtained during pilot plant testing which was completed on July 30, 1993 is being incorporated in the design of the commercial size plant. A suitable host site to demonstrate the NOXSO process on a commercial scale is presently being sought. The plant general arrangement has been revised to incorporate principles used in the design of fluidized catalytic cracking (FCC) plants. A NOXSO plant availability analysis was prepared using operating experience from the recently completed pilot plant as a basis. The impact of water desorption in the sorbent heater and water adsorption in the sorbent cooler has been quantified and incorporated into the NOXSO process simulator. NOXSO process economics has been updated based on the present design. Capital cost for a 500 MW plant designed to remove 98% of the SO{sub 2} and 85% of the NO{sub x} is estimated at $247/kW.

  12. Development of standardized air-blown coal gasifier/gas turbine concepts for future electric power systems

    SciTech Connect (OSTI)

    Sadowski, R.S.; Brown, M.J.; Hester, J.C.; Harriz, J.T.; Ritz, G.J.

    1991-02-01

    The objective of this study is to develop standardized air blown fixed bed gasification hot gas cleanup integrated gasifier combined cycle (IGCC) systems.

  13. Environmental Cleanup

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

    Environmental Cleanup Tour Environmental Cleanup See how LANL is cleaning up the environmental legacy of the Manhattan Project and Cold War

  14. Biogas Impurities and Cleanup for Fuel Cells | Department of Energy

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

    Impurities and Cleanup for Fuel Cells Biogas Impurities and Cleanup for Fuel Cells Presentation about biogas technologies and integration with fuel cells. Presented by Shabbir Ahmed, Argonne National Laboratory, at the NREL/DOE Biogas and Fuel Cells Workshop held June 11-13, 2012, in Golden, Colorado. PDF icon june2012_biogas_workshop_ahmed.pdf More Documents & Publications Workshop on Gas Clean-Up for Fuel Cell Applications Fuel Quality Issues in Stationary Fuel Cell Systems Expanding the

  15. Environmental Cleanup

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

    Environmental Cleanup Tour Environmental Cleanup See how LANL is cleaning up the environmental legacy of the Manhattan Project and Cold War Open full screen to view more You are...

  16. OPERATION OF A TRITIUM GLOVEBOX CLEAN-UP SYSTEM USING ZIRCONIUM MANGANESE IRON AND ZIRCONIUM TWO IRON METAL GETTERS

    SciTech Connect (OSTI)

    E. LARSON; K. COOK

    2000-08-01

    A metal hydride-based tritium clean-up system has been successfully operated for more than four years on an 11 m{sup 3} helium/nitrogen glovebox which was used for handling metal tritide powders. The clean-up system consists of two beds: (1) a Zr-Mn-Fe (in a 10% by weight Al binder, SAES ST909) bed operating at 675 C followed by (2) a Zr{sub 2}Fe (SAES ST198) bed operating at 250 C. The Zr-Mn-Fe bed serves to condition the gas stream by cracking hydrogenous impurities (such as H{sub 2}O and hydrocarbons) and absorbing oxygen and carbon. The Zr{sub 2}Fe bed absorbs the hydrogen isotopes from the flowing stream by forming a solid hydride compound. These beds contain 3 kilograms of Zr{sub 2}Fe and have been loaded routinely with 230-250 STP liters of hydrogen isotopes in earlier trials. The Zr-Mn-Fe alloy exhibits an anomaly during activation, namely an exotherm upon initial exposure to nitrogen. The purpose of this work is to better understand this reaction. Nitrogen absorption studies were done in order to quantify the nitrogen taken up by the getter and to characterize the reaction kinetics. In addition, ST909 phases before and after the reaction were studied with x-ray diffraction.

  17. Systems engineering functions and requirements for the Hanford cleanup mission: First issue. Addendum 3, Draft

    SciTech Connect (OSTI)

    Holmes, J.J.; Bailey, K.B.; Collings, J.L.; Hubbard, A.B.; Niepke, T.M.

    1994-05-01

    This addendum provides additional information, in the form of Functional Flow Block Diagrams (FFBD), concerning the system engineering functional analysis for the Hanford cleanup mission. Details of the mission analysis including mission statement, scope, problem statement, initial state definition, and final state definition are provided in the parent document. The results of the functional analysis as depicted in Integrated Definition language notation (IDEFO) diagrams are provided in Addendum 2 to the parent document. The FFBDs provided herein cover the total Hanford cleanup mission and depict the decomposition of functions to a reasonable level for understanding (generally level 3 or 4). Functional definitions are contained in Section 3.0 of Addendum 2 to the parent document. Specific programs such as the Tank Waste Remediation System and Environmental Restoration, whose IDEFO diagrams were presented as part of their specific baseline documentation and not included in Addendum 2, have their FFBDs included in this addendum. The information contained in this addendum will remain tied to the overall Hanford cleanup mission through the top-level (``Capstone``) functional analysis so that a complete, top-to-bottom functional documentation set always exists for all mission activities. This linkage is accomplished through the use of the Requirements Driven Design (RDD-100{reg_sign}) design tool. Through the use of RDD-100{reg_sign}, this addendum supports and is traceable to the information presented in Addendum 2 to the parent document.

  18. Development of standardized air-blown coal gasifier/gas turbine concepts for future electric power systems. Volume 1, Final report

    SciTech Connect (OSTI)

    Sadowski, R.S.; Brown, M.J.; Hester, J.C.; Harriz, J.T.; Ritz, G.J.

    1991-02-01

    The objective of this study is to develop standardized air blown fixed bed gasification hot gas cleanup integrated gasifier combined cycle (IGCC) systems.

  19. Nuclear radiation cleanup and uranium prospecting (Patent) |...

    Office of Scientific and Technical Information (OSTI)

    Nuclear radiation cleanup and uranium prospecting Citation Details In-Document Search Title: Nuclear radiation cleanup and uranium prospecting Apparatus, systems, and methods for...

  20. SOx-NOx-Rox Box{trademark} flue gas clean-up demonstration. Final report

    SciTech Connect (OSTI)

    1995-09-01

    Babcock and Wilcox`s (B and W) SOx-NOx-Rox Box{trademark} process effectively removes SOx, NOx and particulate (Rox) from flue gas generated from coal-fired boilers in a single unit operation, a high temperature baghouse. The SNRB technology utilizes dry sorbent injection upstream of the baghouse for removal of SOx and ammonia injection upstream of a zeolitic selective catalytic reduction (SCR) catalyst incorporated in the baghouse to reduce NOx emissions. Because the SOx and NOx removal processes require operation at elevated gas temperatures (800--900 F) for high removal efficiency, high-temperature fabric filter bags are used in the baghouse. The SNRB technology evolved from the bench and laboratory pilot scale to be successfully demonstrated at the 5-MWe field scale. This report represents the completion of Milestone M14 as specified in the Work Plan. B and W tested the SNRB pollution control system at a 5-MWe demonstration facility at Ohio Edison`s R.E. Burger Plant located near Shadyside, Ohio. The design and operation were influenced by the results from laboratory pilot testing at B and W`s Alliance Research Center. The intent was to demonstrate the commercial feasibility of the SNRB process. The SNRB facility treated a 30,000 ACFM flue gas slipstream from Boiler No. 8. Operation of the facility began in May 1992 and was completed in May 1993. About 2,300 hours of high-temperature operation were achieved. The main emissions control performance goals of: greater than 70% SO{sub 2} removal using a calcium-based sorbent; greater than 90% NOx removal with minimal ammonia slip; and particulate emissions in compliance with the New Source Performance Standards (NSPS) of 0.03 lb/million Btu were exceeded simultaneously in the demonstration program when the facility was operated at optimal conditions. Testing also showed significant reductions in emissions of some hazardous air pollutants.

  1. Cleanup at Rocky Flats

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

    News » Cleanup Progress Reports Cleanup Progress Reports Documents Available for Download February 22, 2016 Cleanup Progress Report - 2015 Oak Ridge's cleanup accomplishments during 2015. January 1, 2015 Cleanup Progress Report - 2014 Oak Ridge's cleanup accomplishments during 2014 January 1, 2014 Cleanup Progress Report - 2013 Oak Ridge's cleanup accomplishments in 2013. January 1, 2013 Cleanup Progress Report - 2012 Oak Ridge's cleanup accomplishments during 2012. January 2, 2012 Cleanup

  2. Integrated Warm Gas Multicontaminant Cleanup Technologies for Coal-Derived Syngas

    SciTech Connect (OSTI)

    Turk, Brian; Gupta, Raghubir; Sharma, Pradeepkumar; Albritton, Johnny; Jamal, Aqil

    2010-09-30

    One of the key obstacles for the introduction of commercial gasification technology for the production of power with Integrated Gasification Combined Cycle (IGCC) plants or the production of value added chemicals, transportation fuels, and hydrogen has been the cost of these systems. This situation is particularly challenging because the United States has ample coal resources available as raw materials and effective use of these raw materials could help us meet our energy and transportation fuel needs while significantly reducing our need to import oil. One component of the cost of these systems that faces strong challenges for continuous improvement is removing the undesirable components present in the syngas. The need to limit the increase in cost of electricity to < 35% for new coal-based power plants which include CO{sub 2} capture and sequestration addresses both the growing social concern for global climate change resulting from the emission of greenhouse gas and in particular CO{sub 2} and the need to control cost increases to power production necessary to meet this social objective. Similar improvements to technologies for trace contaminants are getting similar pressure to reduce environmental emissions and reduce production costs for the syngas to enable production of chemicals from coal that is cost competitive with oil and natural gas. RTI, with DOE/NETL support, has been developing sorbent technologies that enable capture of trace contaminants and CO{sub 2} at temperatures above 400 °F that achieve better capture performance, lower costs and higher thermal efficiency. This report describes the specific work of sorbent development for mercury (Hg), arsenic (As), selenium (Se), cadmium (Cd), and phosphorous (P) and CO{sub 2} removal. Because the typical concentrations of Hg, As, Se, Cd, and P are less than 10 ppmv, the focus has been on single-use sorbents with sufficient capacity to ensure replacement costs are cost effective. The research in this report describes the development efforts which expand this sorbent development effort to include Se, Cd, and P as well as Hg and As. Additional research has focused on improving removal performance with the goal of achieving effluent concentrations that are suitable for chemical production applications. By contrast, sorbent development for CO{sub 2} capture has focused on regenerable sorbents that capture the CO{sub 2} byproduct at higher CO{sub 2} pressures. Previous research on CO{sub 2} sorbents has demonstrated that the most challenging aspect of developing CO{sub 2} sorbents is regeneration. The research documented in this report investigates options to improve regeneration of the CO{sub 2} capture sorbents. This research includes effort on addressing existing regeneration limitations for sorbents previously developed and new approaches that focus initially on the regeneration performance of the sorbent.

  3. Gas stream clean-up filter and method for forming same

    DOE Patents [OSTI]

    Mei, Joseph S.; DeVault, James; Halow, John S.

    1993-01-01

    A gas cleaning filter is formed in-situ within a vessel containing a fluidizable bed of granular material of a relatively large size fraction. A filter membrane provided by a porous metal or ceramic body or such a body supported a perforated screen on one side thereof is coated in-situ with a layer of the granular material from the fluidized bed by serially passing a bed-fluidizing gas stream through the bed of granular material and the membrane. The layer of granular material provides the filtering medium for the combined membrane-granular layer filter. The filter is not blinded by the granular material and provides for the removal of virtually all of the particulates from a process gas stream. The granular material can be at least partially provided by a material capable of chemically reacting with and removing sulfur compounds from the process gas stream. Low level radioactive waste containing organic material may be incinerated in a fluidized bed in communication with the described filter for removing particulates from the gaseous combustion products.

  4. Environmental Cleanup Stories

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

    Cleanup Feature Stories community-environmentassetsimagesicon-environment.jpg Environmental Cleanup Stories Our environmental stewardship commitment: clean up the past,...

  5. Molybdenum-based additives to mixed-metal oxides for use in hot gas cleanup sorbents for the catalytic decomposition of ammonia in coal gases

    DOE Patents [OSTI]

    Ayala, Raul E.

    1993-01-01

    This invention relates to additives to mixed-metal oxides that act simultaneously as sorbents and catalysts in cleanup systems for hot coal gases. Such additives of this type, generally, act as a sorbent to remove sulfur from the coal gases while substantially simultaneously, catalytically decomposing appreciable amounts of ammonia from the coal gases.

  6. Oak Ridge National Laboratory Cleanup | Department of Energy

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

    Material Downblending and Disposition 4500 Gaseous Waste System Molten Salt Reactor Experiment PDF icon ORNL cleanup fact sheet More Documents & Publications Cleanup Progress ...

  7. Gas venting system

    DOE Patents [OSTI]

    Khan, Amjad; Dreier, Ken Wayne; Moulthrop, Lawrence Clinton; White, Erik James

    2010-06-29

    A system to vent a moist gas stream is disclosed. The system includes an enclosure and an electrochemical cell disposed within the enclosure, the electrochemical cell productive of the moist gas stream. A first vent is in fluid communication with the electrochemical cell for venting the moist gas stream to an exterior of the enclosure, and a second vent is in fluid communication with an interior of the enclosure and in thermal communication with the first vent for discharging heated air to the exterior of the enclosure. At least a portion of the discharging heated air is for preventing freezing of the moist gas stream within the first vent.

  8. WIPP Accelerating Cleanup

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

    ACCELERATING CLEANUP: PATHS TO CLOSURE CARLSBAD AREA OFFICE JUNE 1998 I. Operations/Field Overview CAO Mission The mission of the Carlsbad Area Office (CAO) is to protect human health and the environment by opening and operating the Waste Isolation Pilot Plant (WIPP) for safe disposal of transuranic (TRU) waste and by establishing an effective system for management of TRU waste from generation to disposal. It includes personnel assigned to CAO, WIPP site operations, transportation, and other

  9. Gas cleaning system and method

    DOE Patents [OSTI]

    Newby, Richard Allen

    2006-06-06

    A gas cleaning system for removing at least a portion of contaminants, such as halides, sulfur, particulates, mercury, and others, from a synthesis gas (syngas). The gas cleaning system may include one or more filter vessels coupled in series for removing halides, particulates, and sulfur from the syngas. The gas cleaning system may be operated by receiving gas at a first temperature and pressure and dropping the temperature of the syngas as the gas flows through the system. The gas cleaning system may be used for an application requiring clean syngas, such as, but not limited to, fuel cell power generation, IGCC power generation, and chemical synthesis.

  10. Tank Farm Area Cleanup Decision-Making

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

    Area Cleanup Decision-Making Groundwater Vadose Zone Single Shell Tank System Closure (tanks, structures and pipelines) * Washington State Hazardous Waste Management Act (Resource...

  11. Gas turbine premixing systems

    SciTech Connect (OSTI)

    Kraemer, Gilbert Otto; Varatharajan, Balachandar; Evulet, Andrei Tristan; Yilmaz, Ertan; Lacy, Benjamin Paul

    2013-12-31

    Methods and systems are provided for premixing combustion fuel and air within gas turbines. In one embodiment, a combustor includes an upstream mixing panel configured to direct compressed air and combustion fuel through premixing zone to form a fuel-air mixture. The combustor includes a downstream mixing panel configured to mix additional combustion fuel with the fule-air mixture to form a combustion mixture.

  12. Integrated low emission cleanup system for direct coal-fueled turbines (electrostatic agglomeration)

    SciTech Connect (OSTI)

    Quimby, J.M.

    1992-02-01

    The objective of this contract is to investigate the removal of So{sub x} and particulate matter from direct coal-fired combustion gas streams at high temperature and high pressure conditions. This investigation will be accomplished through a bench-scale testing and evaluation program employing sorbent mixed with a coal-water slurry for So{sub x} removal, and an innovative particulate control concept. The particulate control device utilizes electrostatic agglomeration followed by a high efficiency mechanical collector (cyclone). The process goal is to achieve particulate collection efficiency better than that required by the 1979 new source performance standards. An additional goal is to demonstrate 70% So{sub x} removal efficiency. This research project is now in the second of a 3 phase (Phase II) project. Phase II is to fabricate the combustor and particulate control devices and install the system at a test facility located at Research-Cottrell's, KVB Western Laboratory, Santa Ana, CA. There are three functional categories, or tasks which are to be completed in sequence. These tasks are itemized as follows: Design, procurement, and installation; Shakedown and startup; Reporting. Attempts to validate the concept of electrostatic agglomeration were not possible in the shakedown program before budget constraints halted the program. What was learned was that electrostatic precipitation is feasible in the temperature range of 1600--1800{degrees}F and at pressures above 10 atmospheres.

  13. Legacy Cleanup Completion Project

    Broader source: Energy.gov [DOE]

    Presentation from the 2015 DOE National Cleanup Workshop by Christine Gelles, Associate Deputy Assistant Secretary, Waste Management EM HQ.

  14. Gas Recovery Systems | Open Energy Information

    Open Energy Info (EERE)

    Systems Jump to: navigation, search Name: Gas Recovery Systems Place: California Zip: 94550 Product: Turnkey landfill gas (LFG) energy extraction systems. References: Gas Recovery...

  15. Accelerating cleanup: Paths to closure

    SciTech Connect (OSTI)

    1998-06-01

    This report describes the status of Environmental Management`s (EM`s) cleanup program and a direction forward to complete achievement of the 2006 vision. Achieving the 2006 vision results in significant benefits related to accomplishing EM program objectives. As DOE sites accelerate cleanup activities, risks to public health, the environment, and worker safety and health are all reduced. Finding more efficient ways to conduct work can result in making compliance with applicable environmental requirements easier to achieve. Finally, as cleanup activities at sites are completed, the EM program can focus attention and resources on the small number of sites with more complex cleanup challenges. Chapter 1 describes the process by which this report has been developed and what it hopes to accomplish, its relationship to the EM decision-making process, and a general background of the EM mission and program. Chapter 2 describes how the site-by-site projections were constructed, and summarizes, for each of DOE`s 11 Operations/Field Offices, the projected costs and schedules for completing the cleanup mission. Chapter 3 presents summaries of the detailed cleanup projections from three of the 11 Operations/Field Offices: Rocky Flats (Colorado), Richland (Washington), and Savannah River (South Carolina). The remaining eight Operations/Field Office summaries are in Appendix E. Chapter 4 reviews the cost drivers, budgetary constraints, and performance enhancements underlying the detailed analysis of the 353 projects that comprise EM`s accelerated cleanup and closure effort. Chapter 5 describes a management system to support the EM program. Chapter 6 provides responses to the general comments received on the February draft of this document.

  16. Development and demonstration of a wood-fired gas turbine system

    SciTech Connect (OSTI)

    Smith, V.; Selzer, B.; Sethi, V.

    1993-08-01

    The objectives of the test program were to obtain some preliminary information regarding the nature of particulate and vapor phase alkali compounds produced and to assess any deleterious impact they might have on materials of construction. Power Generating Incorporated (PGI) is developing a wood-fired gas turbine system for specialized cogeneration applications. The system is based on a patented pressurized combustor designed and tested by PGI in conjunction with McConnell Industries. The other components of the system are fuel receiving, preparation, storage and feeding system, gas clean-up equipment, and a gas turbine generator.

  17. Gas turbine cooling system

    DOE Patents [OSTI]

    Bancalari, Eduardo E.

    2001-01-01

    A gas turbine engine (10) having a closed-loop cooling circuit (39) for transferring heat from the hot turbine section (16) to the compressed air (24) produced by the compressor section (12). The closed-loop cooling system (39) includes a heat exchanger (40) disposed in the flow path of the compressed air (24) between the outlet of the compressor section (12) and the inlet of the combustor (14). A cooling fluid (50) may be driven by a pump (52) located outside of the engine casing (53) or a pump (54) mounted on the rotor shaft (17). The cooling circuit (39) may include an orifice (60) for causing the cooling fluid (50) to change from a liquid state to a gaseous state, thereby increasing the heat transfer capacity of the cooling circuit (39).

  18. Gas-recovery system

    DOE Patents [OSTI]

    Heckman, R.A.

    1971-12-14

    Nuclear explosions have been proposed as a means for recovering gas from underground gas-bearing rock formations. In present practice, the nuclear device is positioned at the end of a long pipe which is subsequently filled with grout or concrete. After the device is exploded, the grout is drilled through to provide a flow path for the released gas to the ground surface. As settled grout is brittle, often the compressive shock of the explosion fractures the grout and deforms the pipe so that it may not be removed nor reused. In addition, the pipe is sometimes pinched off completely and the gas flow is totally obstructed. (2 claims)

  19. Gas-Recovery System

    DOE Patents [OSTI]

    Heckman, R. A.

    1971-12-14

    Nuclear explosions have been proposed as a means for recovering gas from underground gas-bearing rock formations. In present practice, the nuclear device is positioned at the end of a long pipe which is subsequently filled with grout or concrete. After the device is exploded, the grout is drilled through to provide a flow path for the released gas to the ground surface. As settled grout is brittle, often the compressive shock of the explosion fractures the grout and deforms the pipe so that it may not be removed nor reused. In addition, the pipe is sometimes pinched off completely and the gas flow is totally obstructed. (2 claims)

  20. Fission gas detection system

    DOE Patents [OSTI]

    Colburn, Richard P. (Pasco, WA)

    1985-01-01

    A device for collecting fission gas released by a failed fuel rod which device uses a filter to pass coolant but which filter blocks fission gas bubbles which cannot pass through the filter due to the surface tension of the bubble.

  1. Environmental Cleanup and Remediation

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

    Cleanup /environment/_assets/images/icon_earthday.jpg Environmental Cleanup: Cleaning the Past Our goal is to clean up legacy waste sites and contaminated areas to protect human health and the environment, now and for years to come. WIPP Accident Investigation Board Report» Feature Stories» What We Clean Up & Why» TOP STORIES - highlights of our science, people, technologies close Environmental Remediation program completes legacy mercury cleanup near Smith's Marketplace To reduce its

  2. Process gas solidification system

    DOE Patents [OSTI]

    Fort, William G. S.; Lee, Jr., William W.

    1978-01-01

    It has been the practice to (a) withdraw hot, liquid UF.sub.6 from various systems, (b) direct the UF.sub.6 into storage cylinders, and (c) transport the filled cylinders to another area where the UF.sub.6 is permitted to solidify by natural cooling. However, some hazard attends the movement of cylinders containing liquid UF.sub.6, which is dense, toxic, and corrosive. As illustrated in terms of one of its applications, the invention is directed to withdrawing hot liquid UF.sub.6 from a system including (a) a compressor for increasing the pressure and temperature of a stream of gaseous UF.sub.6 to above its triple point and (b) a condenser for liquefying the compressed gas. A network containing block valves and at least first and second portable storage cylinders is connected between the outlet of the condenser and the suction inlet of the compressor. After an increment of liquid UF.sub.6 from the condenser has been admitted to the first cylinder, the cylinder is connected to the suction of the compressor to flash off UF.sub.6 from the cylinder, thus gradually solidifying UF.sub.6 therein. While the first cylinder is being cooled in this manner, an increment of liquid UF.sub.6 from the condenser is transferred into the second cylinder. UF.sub.6 then is flashed from the second cylinder while another increment of liquid UF.sub.6 is being fed to the first. The operations are repeated until both cylinders are filled with solid UF.sub.6, after which they can be moved safely. As compared with the previous technique, this procedure is safer, faster, and more economical. The method also provides the additional advantage of removing volatile impurities from the UF.sub.6 while it is being cooled.

  3. Gas hydrate cool storage system

    DOE Patents [OSTI]

    Ternes, M.P.; Kedl, R.J.

    1984-09-12

    The invention presented relates to the development of a process utilizing a gas hydrate as a cool storage medium for alleviating electric load demands during peak usage periods. Several objectives of the invention are mentioned concerning the formation of the gas hydrate as storage material in a thermal energy storage system within a heat pump cycle system. The gas hydrate was formed using a refrigerant in water and an example with R-12 refrigerant is included. (BCS)

  4. National Cleanup Workshops

    Broader source: Energy.gov [DOE]

    The Energy Communities Alliance (ECA), in cooperation with the Department of Energy (DOE) and the Energy Facility Contractors Group (EFCOG), held the first National Cleanup Workshop Sept. 29 and 30, 2015, in the Washington, D.C. area. The workshop brought together senior DOE executives, officials from DOE sites, industry executives, and other stakeholders to discuss EM’s progress in the cleanup of the environmental legacy of the nation’s Manhattan Project and Cold War nuclear weapons program. The workshop focused on major cleanup successes planned for the next two years, contract and project management improvement, efforts to develop new cleanup technologies, and more.

  5. Compressed gas fuel storage system

    DOE Patents [OSTI]

    Wozniak, John J.; Tiller, Dale B.; Wienhold, Paul D.; Hildebrand, Richard J.

    2001-01-01

    A compressed gas vehicle fuel storage system comprised of a plurality of compressed gas pressure cells supported by shock-absorbing foam positioned within a shape-conforming container. The container is dimensioned relative to the compressed gas pressure cells whereby a radial air gap surrounds each compressed gas pressure cell. The radial air gap allows pressure-induced expansion of the pressure cells without resulting in the application of pressure to adjacent pressure cells or physical pressure to the container. The pressure cells are interconnected by a gas control assembly including a thermally activated pressure relief device, a manual safety shut-off valve, and means for connecting the fuel storage system to a vehicle power source and a refueling adapter. The gas control assembly is enclosed by a protective cover attached to the container. The system is attached to the vehicle with straps to enable the chassis to deform as intended in a high-speed collision.

  6. Retrieval System for Calcined Waste for the Idaho Cleanup Project - 12104

    SciTech Connect (OSTI)

    Eastman, Randy L.; Johnston, Beau A.; Lower, Danielle E.

    2012-07-01

    This paper describes the conceptual approach to retrieve radioactive calcine waste, hereafter called calcine, from stainless steel storage bins contained within concrete vaults. The retrieval system will allow evacuation of the granular solids (calcine) from the storage bins through the use of stationary vacuum nozzles. The nozzles will use air jets for calcine fluidization and will be able to rotate and direct the fluidization or displacement of the calcine within the bin. Each bin will have a single retrieval system installed prior to operation to prevent worker exposure to the high radiation fields. The addition of an articulated camera arm will allow for operations monitoring and will be equipped with contingency tools to aid in calcine removal. Possible challenges (calcine bridging and rat-holing) associated with calcine retrieval and transport, including potential solutions for bin pressurization, calcine fluidization and waste confinement, are also addressed. The Calcine Disposition Project has the responsibility to retrieve, treat, and package HLW calcine. The calcine retrieval system has been designed to incorporate the functions and technical characteristics as established by the retrieval system functional analysis. By adequately implementing the highest ranking technical characteristics into the design of the retrieval system, the system will be able to satisfy the functional requirements. The retrieval system conceptual design provides the means for removing bulk calcine from the bins of the CSSF vaults. Top-down vacuum retrieval coupled with an articulating camera arm will allow for a robust, contained process capable of evacuating bulk calcine from bins and transporting it to the processing facility. The system is designed to fluidize, vacuum, transport and direct the calcine from its current location to the CSSF roof-top transport lines. An articulating camera arm, deployed through an adjacent access riser, will work in conjunction with the retrieval nozzle to aid in calcine fluidization, remote viewing, clumped calcine breaking and recovery from off-normal conditions. As the design of the retrieval system progresses from conceptual to preliminary, increasing attention will be directed toward detailed design and proof-of- concept testing. (authors)

  7. Novel Cleanup Agents Designed Exclusively for Oil Field Membrane Filtration Systems Low Cost Field Demonstrations of Cleanup Agents in Controlled Experimental Environments

    SciTech Connect (OSTI)

    David Burnett; Harold Vance

    2007-08-31

    The goal of our project is to develop innovative processes and novel cleaning agents for water treatment facilities designed to remove fouling materials and restore micro-filter and reverse osmosis (RO) membrane performance. This project is part of Texas A&M University's comprehensive study of the treatment and reuse of oilfield brine for beneficial purposes. Before waste water can be used for any beneficial purpose, it must be processed to remove contaminants, including oily wastes such as residual petroleum hydrocarbons. An effective way of removing petroleum from brines is the use of membrane filters to separate oily waste from the brine. Texas A&M and its partners have developed highly efficient membrane treatment and RO desalination for waste water including oil field produced water. We have also developed novel and new cleaning agents for membrane filters utilizing environmentally friendly materials so that the water from the treatment process will meet U.S. EPA drinking water standards. Prototype micellar cleaning agents perform better and use less clean water than alternate systems. While not yet optimized, the new system restores essentially complete membrane flux and separation efficiency after cleaning. Significantly the amount of desalinated water that is required to clean the membranes is reduced by more than 75%.

  8. System of treating flue gas

    DOE Patents [OSTI]

    Ziegler, D.L.

    1975-12-01

    A system is described for treating or cleaning incinerator flue gas containing acid gases and radioactive and fissionable contaminants. Flue gas and a quench solution are fed into a venturi and then tangentially into the lower portion of a receptacle for restricting volumetric content of the solution. The upper portion of the receptacle contains a scrub bed to further treat or clean the flue gas.

  9. Cleanup Progress Reports | Department of Energy

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

    News » Cleanup Progress Reports Cleanup Progress Reports Documents Available for Download February 22, 2016 Cleanup Progress Report - 2015 Oak Ridge's cleanup accomplishments during 2015. January 1, 2015 Cleanup Progress Report - 2014 Oak Ridge's cleanup accomplishments during 2014 January 1, 2014 Cleanup Progress Report - 2013 Oak Ridge's cleanup accomplishments in 2013. January 1, 2013 Cleanup Progress Report - 2012 Oak Ridge's cleanup accomplishments during 2012. January 2, 2012 Cleanup

  10. Combustion-gas recirculation system

    DOE Patents [OSTI]

    Baldwin, Darryl Dean

    2007-10-09

    A combustion-gas recirculation system has a mixing chamber with a mixing-chamber inlet and a mixing-chamber outlet. The combustion-gas recirculation system may further include a duct connected to the mixing-chamber inlet. Additionally, the combustion-gas recirculation system may include an open inlet channel with a solid outer wall. The open inlet channel may extend into the mixing chamber such that an end of the open inlet channel is disposed between the mixing-chamber inlet and the mixing-chamber outlet. Furthermore, air within the open inlet channel may be at a pressure near or below atmospheric pressure.

  11. Nuclear radiation cleanup and uranium prospecting

    DOE Patents [OSTI]

    Mariella, Jr., Raymond P.; Dardenne, Yves M.

    2016-02-02

    Apparatus, systems, and methods for nuclear radiation cleanup and uranium prospecting include the steps of identifying an area; collecting samples; sample preparation; identification, assay, and analysis; and relating the samples to the area.

  12. 2014 Cleanup Progress

    Energy Savers [EERE]

    96 Annual Report to the Oak Ridge Regional Community 2014 Cleanup Progress 2 1 Message from the EM Manager Department of Energy Oak Ridge Office To the Oak Ridge Regional Community: Reflecting on 2014, I am extremely proud of the Department of Energy (DOE) Oak Ridge Office's accomplishments. We completed the Department of Energy's larg- est-ever demolition project, transferred unneeded land to the community to bolster economic development opportunities, and progressed on cleanup projects at the

  13. Environmental Cleanup Stories

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

    Stories /environment/_assets/images/icon-environment.jpg Environmental Cleanup Stories Our environmental stewardship commitment: clean up the past, minimize environmental impacts, and create a sustainable future. A telescoping crane hoists a spider excavator over Los Alamos Canyon before placing it on the canyon slope to excavate historically contaminated soil. Environmental Remediation program completes legacy mercury cleanup near Smith's Marketplace Los Alamos National Laboratory performed a

  14. Backscatter absorption gas imaging system

    DOE Patents [OSTI]

    McRae, T.G. Jr.

    A video imaging system for detecting hazardous gas leaks. Visual displays of invisible gas clouds are produced by radiation augmentation of the field of view of an imaging device by radiation corresponding to an absorption line of the gas to be detected. The field of view of an imager is irradiated by a laser. The imager receives both backscattered laser light and background radiation. When a detectable gas is present, the backscattered laser light is highly attenuated, producing a region of contrast or shadow on the image. A flying spot imaging system is utilized to synchronously irradiate and scan the area to lower laser power requirements. The imager signal is processed to produce a video display.

  15. Backscatter absorption gas imaging system

    DOE Patents [OSTI]

    McRae, Jr., Thomas G.

    1985-01-01

    A video imaging system for detecting hazardous gas leaks. Visual displays of invisible gas clouds are produced by radiation augmentation of the field of view of an imaging device by radiation corresponding to an absorption line of the gas to be detected. The field of view of an imager is irradiated by a laser. The imager receives both backscattered laser light and background radiation. When a detectable gas is present, the backscattered laser light is highly attenuated, producing a region of contrast or shadow on the image. A flying spot imaging system is utilized to synchronously irradiate and scan the area to lower laser power requirements. The imager signal is processed to produce a video display.

  16. Fuel cell gas management system

    DOE Patents [OSTI]

    DuBose, Ronald Arthur

    2000-01-11

    A fuel cell gas management system including a cathode humidification system for transferring latent and sensible heat from an exhaust stream to the cathode inlet stream of the fuel cell; an anode humidity retention system for maintaining the total enthalpy of the anode stream exiting the fuel cell equal to the total enthalpy of the anode inlet stream; and a cooling water management system having segregated deionized water and cooling water loops interconnected by means of a brazed plate heat exchanger.

  17. EIA - Natural Gas Pipeline Network - Largest Natural Gas Pipeline Systems

    U.S. Energy Information Administration (EIA) Indexed Site

    Interstate Pipelines Table About U.S. Natural Gas Pipelines - Transporting Natural Gas based on data through 2007/2008 with selected updates Thirty Largest U.S. Interstate Natural Gas Pipeline Systems, 2008 (Ranked by system capacity) Pipeline Name Market Regions Served Primary Supply Regions States in Which Pipeline Operates Transported in 2007 (million dekatherm)1 System Capacity (MMcf/d) 2 System Mileage Columbia Gas Transmission Co. Northeast Southwest, Appalachia DE, PA, MD, KY, NC, NJ, NY,

  18. Cleanup Fact Sheets | Department of Energy

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

    Services » Site Cleanup » Cleanup Fact Sheets Cleanup Fact Sheets Fact Sheets Available for Download East Tennessee Technology Park Cleanup Y-12 National Security Complex Cleanup Oak Ridge National Laboratory Cleanup OREM Accomplishments Timeline Environmental Laws and Regulations Site Cleanup Risk Removal Modernization Reindustrialization Waste Management Program Management Community Engagement

  19. Idaho Cleanup Project Congressional Nuclear Cleanup Caucus

    Energy Savers [EERE]

    Cleanup Program April 30, 2014 Thomas J. Dieter, CH2M-WG Idaho Danny Nichols, Idaho Treatment Group 2 www.energy.gov/EM The Idaho Site Background * 890 Square Miles * Remote location in the southeast region of Idaho * Established in 1949 as the Naval Gunnery Range * Currently referred to as the Idaho National Laboratory * Provided an isolated location where 52 first-of-a-kind test reactors could be designed, built and tested with one still in operation (Advanced Test Reactor) * EM's Idaho

  20. Integrated Combined Heat and Power/Advanced Reciprocating Internal Combustion Engine System for Landfill Gas to Power Applications

    SciTech Connect (OSTI)

    2009-02-01

    Gas Technology Institute will collaborate with Integrated CHP Systems Corporation, West Virginia University, Vronay Engineering Services, KAR Engineering Associates, Pioneer Air Systems, and Energy Concepts Company to recover waste heat from reciprocating engines. The project will integrate waste heat recovery along with gas clean-up technology system improvements. This will address fuel quality issues that have hampered expanded use of opportunity fuels such as landfill gas, digester biogas, and coal mine methane. This will enable increased application of CHP using renewable and domestically derived opportunity fuels.

  1. ADVANCED GAS TURBINE SYSTEMS RESEARCH

    SciTech Connect (OSTI)

    Unknown

    2000-01-01

    The activities of the Advanced Gas Turbine Systems Research (AGRSR) program are described in the quarterly report. The report is divided into discussions of Membership, Administration, Technology Transfer (Workshop/Education) and Research. Items worthy of note are presented in extended bullet format following the appropriate heading.

  2. ADVANCED GAS TURBINE SYSTEMS RESEARCH

    SciTech Connect (OSTI)

    Unknown

    2002-04-01

    The activities of the Advanced Gas Turbine Systems Research (AGTSR) program for this reporting period are described in this quarterly report. The report is divided into discussions of Membership, Administration, Technology Transfer (Workshop/Education), Research and Miscellaneous Related Activity. Items worthy of note are presented in extended bullet format following the appropriate heading.

  3. ADVANCED GAS TURBINE SYSTEMS RESEARCH

    SciTech Connect (OSTI)

    Unknown

    2002-02-01

    The activities of the Advanced Gas Turbine Systems Research (AGTSR) program for this reporting period are described in this quarterly report. The report is divided into discussions of Membership, Administration, Technology Transfer (Workshop/Education), Research and Miscellaneous Related Activity. Items worthy of note are presented in extended bullet format following the appropriate heading.

  4. Cleanup Sites | Department of Energy

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

    Cleanup Sites Cleanup Sites Center Map As the largest environmental cleanup program in the world, EM has been charged with the responsibility of cleaning up 107 sites across the country whose area is equal to the combined area of Rhode Island and Delaware. To date, EM has made substantial progress in nearly every area of nuclear waste cleanup and completed cleanup at 91 of these sites. The "active" sites continue to have ongoing cleanup projects under EM's purview. Use the interactive

  5. Fuel Use and Greenhouse Gas Emissions from the Natural Gas System...

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

    the Natural Gas System; Sankey Diagram Methodology Fuel Use and Greenhouse Gas Emissions from the Natural Gas System; Sankey Diagram Methodology As natural gas travels through ...

  6. 2016 National Cleanup Workshop

    Broader source: Energy.gov [DOE]

    The Energy Communities Alliance (ECA) will be holding the 2016 National Cleanup Workshop Sept. 14-15, 2016, at the Hilton Alexandria Mark Center in Alexandria, Va. Cooperating organizations for the event include the Department of Energy (DOE) and the Energy Facility Contractors Group (EFCOG).

  7. Cleanup Sites | Department of Energy

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

    Sites Cleanup Sites The 33,500-acre Oak Ridge Reservation, outlined in red, contains three primary cleanup areas-- the East Tennessee Technology Park, Oak Ridge National Laboratory, and Y-12 National Security Complex. The 33,500-acre Oak Ridge Reservation, outlined in red, contains three primary cleanup areas-- the East Tennessee Technology Park, Oak Ridge National Laboratory, and Y-12 National Security Complex. Oak Ridge has three primary cleanup sites within the Oak Ridge Reservation-the Oak

  8. Environmental Cleanup | Department of Energy

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

    Environmental Cleanup Environmental Cleanup Learn more about the history, cleanup activities and possible future uses of the Hanford Site, a 586-square-mile government site in southeast Washington State. | Video courtesy of the Energy Department. The Energy Department is committed to a safe, complete cleanup of the environmental legacy of five decades of government-sponsored nuclear weapons development and nuclear energy research. As part of this mission, we safely and cost-effectively transport

  9. Biogas Cleanup Challenges and R&D Needs for Fuel Cells

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

    Biogas Cleanup Challenges and R&D Needs for Fuel Cells Chakravarthy Sishtla, Gas ... Workshop March 7, 2014 3 GTI Recent Biogas Projects > Gills Onions-Anaerobic ...

  10. Gas sampling system for a mass spectrometer

    DOE Patents [OSTI]

    2003-12-30

    The present invention relates generally to a gas sampling system, and specifically to a gas sampling system for transporting a hazardous process gas to a remotely located mass spectrometer. The gas sampling system includes a capillary tube having a predetermined capillary length and capillary diameter in communication with the supply of process gas and the mass spectrometer, a flexible tube surrounding and coaxial with the capillary tube intermediate the supply of process gas and the mass spectrometer, a heat transfer tube surrounding and coaxial with the capillary tube, and a heating device in communication the heat transfer tube for substantially preventing condensation of the process gas within the capillary tube.

  11. Gas characterization system software acceptance test report

    SciTech Connect (OSTI)

    Vo, C.V.

    1996-03-28

    This document details the results of software acceptance testing of gas characterization systems. The gas characterization systems will be used to monitor the vapor spaces of waste tanks known to contain measurable concentrations of flammable gases.

  12. Site Cleanup | Department of Energy

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

    Cleanup Site Cleanup A view of Building K-25 cleanup at the East Tenneseee Technology Park. A view of Building K-25 cleanup at the East Tenneseee Technology Park. Unlike many EM cleanup sites, Oak Ridge has numerous ongoing missions aside from EM. The success and rate of progress often depends on the amount of work the organization achieves at the site. At the East Tennessee Technology Park, EM is tasked with removing facilities associated with 40 years of uranium enrichment and production to

  13. EIA - Natural Gas Pipeline System - Northeast Region

    U.S. Energy Information Administration (EIA) Indexed Site

    Northeast Region About U.S. Natural Gas Pipelines - Transporting Natural Gas based on data through 2007/2008 with selected updates Natural Gas Pipelines in the Northeast Region Overview | Domestic Gas | Canadian Imports | Regional Pipeline Companies & Links Overview Twenty interstate natural gas pipeline systems operate within the Northeast Region (Connecticut, Delaware, Massachusetts, Maine, New Hampshire, New Jersey, New York, Pennsylvania, Rhode Island, Virginia, and West Virginia). These

  14. Mercury sorbent delivery system for flue gas

    DOE Patents [OSTI]

    Klunder; ,Edgar B.

    2009-02-24

    The invention presents a device for the removal of elemental mercury from flue gas streams utilizing a layer of activated carbon particles contained within the filter fabric of a filter bag for use in a flue gas scrubbing system.

  15. he Hanford Story Tank Waste Cleanup | Department of Energy

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

    he Hanford Story Tank Waste Cleanup he Hanford Story Tank Waste Cleanup Addthis Description The Hanford Story Tank Waste Cleanup

  16. Flammable Gas Detection for the D-Zero Gas System

    SciTech Connect (OSTI)

    Spires, L.D.; Foglesong, J.; /Fermilab

    1991-02-11

    The use of flammable gas and high voltage in detector systems is common in many experiments at Fermilab. To mitigate the hazards associated with these systems, Fermilab Engineering Standard SD-45B (Ref. 1) was adopted. Since this note is meant to be a guide and not a mandatory standard, each experiment is reviewed for compliance with SD-45B by the flammable gas safety subcommittee. Currently, there are only two types of flammable gas in use, ethane (Appendix A) and methane (Appendix B). The worst flammable-gas case is C2H6 (ethane), which has an estimated flow rate that is 73% of the CH4 (methane) flow but a heat of combustion (in kcal/g-mole) that is 173% of that of methane. In the worst case, if ethane were to spew through its restricting orifice into its gas line at 0 psig and then through a catastrophic leak into Room 215 (TRD) or Room 511 (CDC/FDCNTX), the time that would be required to build up a greater than Class 1 inventory (0.4kg H2 equivalent) would be 5.2 hours (Ref. 2). Therefore a worst-case flammable gas leak would have to go undetected for over 5 hours in order to transform a either mixing room to an environment with a Risk Class greater than Class 1. The mixing systems, gas lines, and detectors themselves will be thoroughly leak checked prior to active service. All vessels that are part of the mixing systems will be protected from overpressure by safety valves vented outside the building. Both the input and output of all detector volumes are protected from overpressure in the same way. The volume immediately outside the central tracking detectors is continuously purged by nitrogen from boiloff from the main nitrogen dewar at the site. However, if flammable gas were to build up in the mixing rooms or particular detector areas, no matter how unlikely, flammable gas detectors that are part of the interlock chain of each gas mixing system will shut down the appropriate system. This includes shutting off the output of flammable gas manifolds within the gas shed. Similarly, if a fire were to break out anywhere in the D-ZERO Hall, fire sensors would stop the output of all flammable gas manifolds within the gas shed, by unpowering electrically controlled solenoid valves that are normally closed in the event of a power failure. Fire sensor contacts have not yet been installed.

  17. Key Issues in Syngas Cleanup

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

    normalized absorption (a.u.) James J. Spivey, Louisiana State University, Director www.efrc.lsu.edu Key Issues in Syngas Cleanup Kerry Dooley - Dept. of Chemical Engineering, ...

  18. EIS-0139: Trans-Alaska Gas System

    Broader source: Energy.gov [DOE]

    This EIS analyzes the Yukon Pacific Corporation's proposed construction of the Trans-Alaska Gas System (TAGS), a 796.5-mile long, 36-inch diameter pipeline to transport high-pressured natural gas between Prudhoe Bay and a tidewater terminal and liquefied natural gas plant near Anderson Bay, Alaska.

  19. Adaptive control system for gas producing wells

    SciTech Connect (OSTI)

    Fedor, Pashchenko; Sergey, Gulyaev; Alexander, Pashchenko

    2015-03-10

    Optimal adaptive automatic control system for gas producing wells cluster is proposed intended for solving the problem of stabilization of the output gas pressure in the cluster at conditions of changing gas flow rate and changing parameters of the wells themselves, providing the maximum high resource of hardware elements of automation.

  20. System and method for detecting gas

    DOE Patents [OSTI]

    Chow, Oscar Ken; Moulthrop, Lawrence Clinton; Dreier, Ken Wayne; Miller, Jacob Andrew

    2010-03-16

    A system to detect a presence of a specific gas in a mixture of gaseous byproducts comprising moisture vapor is disclosed. The system includes an electrochemical cell, a transport to deliver the mixture of gaseous byproducts from the electrochemical cell, a gas sensor in fluid communication with the transport, the sensor responsive to a presence of the specific gas to generate a signal corresponding to a concentration of the specific gas, and a membrane to prevent transmission of liquid moisture, the membrane disposed between the transport and the gas sensor.

  1. Turbocharged engine exhaust gas recirculation system

    SciTech Connect (OSTI)

    Stachowicz, R.W.

    1984-01-24

    Improved exhaust gas recirculation systems for turbocharged gas engines that include an exhaust pipe, a turbocharger connected thereto, and a carburetor connected with a source of gas for the engine. The recirculation system includes an air conduit extending from the turbocharger compressor discharge to a venturi, an exhaust gas conduit that extends from a connection with the exhaust pipe between the engine and the turbocharger to the venturi, a second air conduit that extends from the exhaust pipe to a connection with the first air conduit, and control valves located in the exhaust gas conduit and in the second air conduit. The valves are closed when the engine is being started or idling at no load and open when a load is imposed or when engine rpm's are increased. No pumps, blowers, etc. are needed because the system operates on a differential in pressure created within the system to cause the exhaust gas recirculation.

  2. From Cleanup to Stewardship | Department of Energy

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

    From Cleanup to Stewardship From Cleanup to Stewardship From Cleanup to Stewardship, a Companion Report to Accelerating Cleanup: Paths to Closure and Background Information Supporting the Scoping Process Required for the 1998 PEIS Settlement Study. Long-term stewardship was expected to be needed at more than 100 DOE sites after EM completed cleanup of the waste and contamination resulting from nuclear research and nuclear weapons production over the past 50 years. From Cleanup to Stewardship

  3. Nuclear radiation cleanup and uranium prospecting (Patent) |...

    Office of Scientific and Technical Information (OSTI)

    Nuclear radiation cleanup and uranium prospecting Citation Details In-Document Search Title: Nuclear radiation cleanup and uranium prospecting You are accessing a document from...

  4. Environmental Remediation program completes legacy mercury cleanup...

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

    Stories Legacy slope-side cleanup Environmental Remediation program completes legacy mercury cleanup near Smith's Marketplace Los Alamos National Laboratory performed a ...

  5. Independent Oversight Activity Report, Idaho Cleanup Project...

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

    Idaho Cleanup Project - November 2013 Independent Oversight Activity Report, Idaho Cleanup Project - November 2013 November 2013 Pre-restart Visit to the Integrated Waste Treatment...

  6. New Contract Helps Portsmouth GDP Cleanup

    Broader source: Energy.gov [DOE]

    To accelerate the Portsmouth GDP cleanup efforts left over from the Cold War, the Department of Energy made a huge step forward in our nuclear environmental cleanup efforts.

  7. Dual liquid and gas chromatograph system

    DOE Patents [OSTI]

    Gay, Don D.

    1985-01-01

    A chromatographic system that utilizes one detection system for gas chromatographic and micro-liquid chromatographic determinations. The detection system is a direct-current, atmospheric-pressure, helium plasma emission spectrometer. The detector utilizes a non-transparent plasma source unit which contains the plasma region and two side-arms which receive effluents from the micro-liquid chromatograph and the gas chromatograph. The dual nature of this chromatographic system offers: (1) extreme flexibility in the samples to be examined; (2) extremely low sensitivity; (3) element selectivity; (4) long-term stability; (5) direct correlation of data from the liquid and gas samples; (6) simpler operation than with individual liquid and gas chromatographs, each with different detection systems; and (7) cheaper than a commercial liquid chromatograph and a gas chromatograph.

  8. Dual liquid and gas chromatograph system

    DOE Patents [OSTI]

    Gay, D.D.

    A chromatographic system is described that utilizes one detection system for gas chromatographic and micro-liquid chromatographic determinations. The detection system is a direct-current, atmospheric-pressure, helium plasma emission spectrometer. The detector utilizes a nontransparent plasma source unit which contains the plasma region and two side-arms which receive effluents from the micro-liquid chromatograph and the gas chromatograph. The dual nature of this chromatographic system offers: (1) extreme flexibility in the samples to be examined; (2) extreme low sensitivity; (3) element selectivity; (4) long-term stability; (5) direct correlation of data from the liquid and gas samples; (6) simpler operation than with individual liquid and gas chromatographs, each with different detection systems; and (7) cheaper than a commercial liquid chromatograph and a gas chromatograph.

  9. Hand-held multiple system gas chromatograph

    DOE Patents [OSTI]

    Yu, Conrad M.

    2001-01-01

    A multiple parallel hand-held gas chromatograph (GC) system which includes several independent GCs. Each independent GC has its own injector, separation column, detector and oven and the GCs are mounted in a light weight hand-held assembly. Each GC operates independently and simultaneously. Because of different coatings in different separation columns, different retention times for the same gas will be measured. Thus, for a GC system with multiple parallel GCs, the system can measure, in a short period, different retention times and provide a cross-reference in the determination of the measured gas and to become a two-dimensional system for direct field use.

  10. Hanford Groundwater Contamination Areas Shrink as EM Exceeds Cleanup Goals

    Office of Environmental Management (EM)

    | Department of Energy Groundwater Contamination Areas Shrink as EM Exceeds Cleanup Goals Hanford Groundwater Contamination Areas Shrink as EM Exceeds Cleanup Goals June 26, 2013 - 12:00pm Addthis The 200 West Pump and Treat System is Hanford’s largest facility for treating contaminated groundwater. The 200 West Pump and Treat System is Hanford's largest facility for treating contaminated groundwater. A graphic showing the 200 West Pump and Treat plumes and well network. A graphic

  11. DOE National Cleanup Workshop 2015

    Broader source: Energy.gov [DOE]

    John Hale III, Director of the Office of Small and Disadvantage Business Utilization (OSDBU) at the Department of Energy, spoke at the 1st Annual DOE National Cleanup Workshop, held in September 2015.

  12. East Tennessee Technology Park Cleanup

    Broader source: Energy.gov [DOE]

    This fact sheet provides an update on all of the current cleanup projects at the site, and it also lists the major projects that were completed at the East Tennessee Technology Park.

  13. Environmental Management (EM) Cleanup Projects

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

    2008-09-24

    The guide supports DOE O 413.3A, Program and Project Management for the Acquisition of Capital Assets, and provides guidance on environmental management cleanup projects. Canceled by DOE N 251.105.

  14. Commercial Environmental Cleanup -- The products and services...

    Office of Scientific and Technical Information (OSTI)

    Commercial Environmental Cleanup -- The products and services directory. Treatment, characterization and extractiondeliverymaterials handling technologies Citation Details ...

  15. Upper Los Alamos Canyon Cleanup

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

    Upper Los Alamos Canyon Cleanup Upper Los Alamos Canyon Cleanup The Upper Los Alamos Canyon Project involves cleaning up hazardous materials left over from some of the Laboratory's earliest activities. Contact Environmental Communication & Public Involvement P.O. Box 1663 MS M996 Los Alamos, NM 87545 (505) 667-0216 Email Located along Los Alamos Canyon from 7th Street to the Pajarito Ski Hill, the Upper Los Alamos Canyon Project involves examining sites in present and former Laboratory

  16. Gas permeable electrode for electrochemical system

    DOE Patents [OSTI]

    Ludwig, Frank A.; Townsend, Carl W.

    1989-01-01

    An electrode apparatus adapted for use in electrochemical systems having an anode compartment and a cathode compartment in which gas and ions are produced and consumed in the compartments during generation of electrical current. The electrode apparatus includes a membrane for separating the anode compartment from the cathode compartment wherein the membrane is permeable to both ions and gas. The cathode and anode for the assembly are provided on opposite sides of the membrane. During use of the membrane-electrode apparatus in electrochemical cells, the gas and ions generated at the cathode or anode migrate through the membrane to provide efficient transfer of gas and ions between the anode and cathode compartments.

  17. Gas hydrate cool storage system

    DOE Patents [OSTI]

    Ternes, Mark P. (Knoxville, TN); Kedl, Robert J. (Oak Ridge, TN)

    1985-01-01

    This invention is a process for formation of a gas hydrate to be used as a cool storage medium using a refrigerant in water. Mixing of the immiscible refrigerant and water is effected by addition of a surfactant and agitation. The difficult problem of subcooling during the process is overcome by using the surfactant and agitation and performance of the process significantly improves and approaches ideal.

  18. Reliability of natural gas cogeneration systems

    SciTech Connect (OSTI)

    1995-12-01

    Cogeneration systems fueled by natural gas exceed the reliability of most central station power generating units, according to a study conducted by RINC Corporation for Gas Research Institute (GRI). In the study, researchers obtained operating data from 122 natural gas cogeneration units nationwide representing 2,200 megawatts (MW) of capacity and nearly 2 million hours of operating time at 37 facilities. Units were grouped into categories reflecting size (from 60 kilowatts to 100 MW), type of system (gas engine or gas turbine technology), use of emission controls, and type of thermal application. Various types and sizes of gas systems reported average availability factors ranging from 90.0 to 95.8 versus a weighted average of 85.9 percent for fossil-fuel steam, nuclear, and gas-turbine-based central station power generating units. Comparisons are based on study data and data reported by the North American Electric Reliability Council for utility power plants. Gas cogeneration can improve utility operations because as a group the relatively small, dispersed cogeneration units are more reliable than one or more large central station units of similar capacity.

  19. Hot gas filter and system assembly

    DOE Patents [OSTI]

    Lippert, T.E.; Palmer, K.M.; Bruck, G.J.; Alvin, M.A.; Smeltzer, E.E.; Bachovchin, D.M.

    1999-08-31

    A filter element is described for separating fine dirty particles from a hot gas. The filter element comprises a first porous wall and a second porous wall. Each porous wall has an outer surface and an inner surface. The first and second porous walls being coupled together thereby forming a substantially closed figure and open at one end. The open end is formed to be coupled to a hot gas clean up system support structure. The first and second porous walls define a channel beginning at the open end and terminate at the closed end through which a filtered clean gas can flow through and out into the clean gas side of a hot gas clean up system. 8 figs.

  20. Hot gas filter and system assembly

    DOE Patents [OSTI]

    Lippert, Thomas Edwin; Palmer, Kathryn Miles; Bruck, Gerald Joseph; Alvin, Mary Anne; Smeltzer, Eugene E.; Bachovchin, Dennis Michael

    1999-01-01

    A filter element for separating fine dirty particles from a hot gas. The filter element comprises a first porous wall and a second porous wall. Each porous wall has an outer surface and an inner surface. The first and second porous walls being coupled together thereby forming a substantially closed figure and open at one end. The open end is formed to be coupled to a hot gas clean up system support structure. The first and second porous walls define a channel beginning at the open end and terminate at the closed end through which a filtered clean gas can flow through and out into the clean gas side of a hot gas clean up system.

  1. Paducah Cleanup Milestones | Department of Energy

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

    Cleanup Milestones Paducah Cleanup Milestones The Paducah Site Management Plan sets forth enforceable milestones for cleanup activities. These activities include a series of prioritized cleanup actions, ongoing analysis to support future cleanup decisions, and eventual D&D of the gaseous diffusion plant. FY 2015 - Key Milestones/Outlook Issue Federal Facility Agreement Annual Site Management Plan (D1) Issue Burial Grounds Solid Waste Management Unit 5 and 6 Record of Decision (D1) C-400 -

  2. World Record Earned Value Management System Certification for Cleanup of the East Tennessee Technology Park, Oak Ridge, Tennessee, USA - 13181

    SciTech Connect (OSTI)

    Haynes, Ray; Hirschy, Anita

    2013-07-01

    On projects that require Earned Value Management (EVMS) Certification, it is critical to quickly prepare for and then successfully obtain certification. This is especially true for government contracts. Projects that do poorly during the review are subject to financial penalties to their company and they lose creditability with their customer creating problems with the project at the outset. At East Tennessee Technology Park (ETTP), we began preparing for Department of Energy (DOE) certification early during proposal development. Once the contract was awarded, while still in transition phase from the previous contractor to our new company, we immediately began reviewing the project controls systems that were in place on the project and determined if any replacements needed to be made immediately. The ETTP contract required the scheduling software to be upgraded to Primavera P6 and we determined that no other software changes would be done prior to certification. Next, preparation of the Project Controls System Description (PCSD) and associated procedures began using corporate standards as related to the project controls systems. During the transition phase, development was started on the Performance Measurement Baseline which is the resource loaded schedule used to measure our performance on the project and which is critical to good Earned Value Management of the project. Early on, and throughout the baseline review, there was positive feedback from the Department of Energy that the quality of the new baseline was good. Having this superior baseline also contributed to our success in EVMS certification. The combined companies of URS and CH2M Hill had recent experience with certifications at other Department of Energy sites and we were able to capitalize on that knowledge and experience. Generic PCSD and procedures consistent with our co-operations approach to Earned Value Management were available to us and were easily tailorable to the specifics of our contract and site. We also had corporate EVMS experts available to us so as to draw upon their recent certification experiences with lessons learned. This knowledge was especially helpful for training of personnel that were involved in the certification which included Project Controls, Project Management and Control Account Managers. We were also able to bring in these corporate experts to assist with our training efforts. To assure our readiness for the review, we conducted a 'White Hat' review. The 'White Hat' team consisted of corporate experts in EVMS along with an industry expert in EVMS from Humphrey and Associates. This review identified early any weaknesses that we had so corrections could be enacted prior to the EVMS Certification Readiness Review. It also helped give the evaluators confidence that we had done proper due diligence prior to their arrival. Also critical to our success, was early communication with our evaluators. It is important to start the communications early to ensure you understand the expectations of the certification team and the process that will be used during the certification. Communication through the entire process is critical to understand expectations and issues along the way. Very important to the overall process was management commitment, support and reinforcement. Management made sure that all personnel involved knew the importance and made preparations a priority. This was noted as a key strength by the evaluators during the out-brief. As a result of our preparation, our review yielded one Corrective Action Report (CAR) and two Continuous Improvement Opportunities (CIOs). The Certification team in their out-brief explained that this was the lowest number of CARs and CIOs in the history of EVMS certifications in the DOE Complex. (authors)

  3. DOE-Sponsored Syngas Cleanup Demonstration Project Reaches Development Milestone

    Broader source: Energy.gov [DOE]

    In a project sponsored by the U.S. Department of Energy (DOE), a demonstration-scale application of RTI International’s warm synthesis gas (syngas) cleanup process technology has achieved a key operational milestone at Tampa Electric Company’s coal gasification plant in Polk County, Fla.

  4. Computer systems and software description for gas characterization system

    SciTech Connect (OSTI)

    Vo, C.V.

    1997-04-01

    The Gas Characterization System Project was commissioned by TWRS management with funding from TWRS Safety, on December 1, 1994. The project objective is to establish an instrumentation system to measure flammable gas concentrations in the vapor space of selected watch list tanks, starting with tank AN-105 and AW-101. Data collected by this system is meant to support first tank characterization, then tank safety. System design is premised upon Characterization rather than mitigation, therefore redundancy is not required.

  5. Radiological cleanup of Enewetak Atoll

    SciTech Connect (OSTI)

    Not Available

    1981-01-01

    For 8 years, from 1972 until 1980, the United States planned and carried out the radiological cleanup, rehabilitation, and resettlement of Enewetak Atoll in the Marshall Islands. This documentary records, from the perspective of DOD, the background, decisions, actions, and results of this major national and international effort. The documentary is designed: First, to provide a historical document which records with accuracy this major event in the history of Enewetak Atoll, the Marshall Islands, the Trust Territory of the Pacific Islands, Micronesia, the Pacific Basin, and the United States. Second, to provide a definitive record of the radiological contamination of the Atoll. Third, to provide a detailed record of the radiological exposure of the cleanup forces themselves. Fourth, to provide a useful guide for subsequent radiological cleanup efforts elsewhere.

  6. NEXT GENERATION GAS TURBINE SYSTEMS STUDY

    SciTech Connect (OSTI)

    Benjamin C. Wiant; Ihor S. Diakunchak; Dennis A. Horazak; Harry T. Morehead

    2003-03-01

    Under sponsorship of the U.S. Department of Energy's National Energy Technology Laboratory, Siemens Westinghouse Power Corporation has conducted a study of Next Generation Gas Turbine Systems that embraces the goals of the DOE's High Efficiency Engines and Turbines and Vision 21 programs. The Siemens Westinghouse Next Generation Gas Turbine (NGGT) Systems program was a 24-month study looking at the feasibility of a NGGT for the emerging deregulated distributed generation market. Initial efforts focused on a modular gas turbine using an innovative blend of proven technologies from the Siemens Westinghouse W501 series of gas turbines and new enabling technologies to serve a wide variety of applications. The flexibility to serve both 50-Hz and 60-Hz applications, use a wide range of fuels and be configured for peaking, intermediate and base load duty cycles was the ultimate goal. As the study progressed the emphasis shifted from a flexible gas turbine system of a specific size to a broader gas turbine technology focus. This shift in direction allowed for greater placement of technology among both the existing fleet and new engine designs, regardless of size, and will ultimately provide for greater public benefit. This report describes the study efforts and provides the resultant conclusions and recommendations for future technology development in collaboration with the DOE.

  7. Savannah River Site Cleanup By the Numbers | Department of Energy

    Office of Environmental Management (EM)

    Site Cleanup By the Numbers Savannah River Site Cleanup By the Numbers Savannah River Site Cleanup By the Numbers In 2015, EM developed site infographics highlighting each sites ...

  8. Voluntary Protection Program Onsite Review, Idaho Cleanup Project...

    Energy Savers [EERE]

    Idaho Cleanup Project- June 2007 Voluntary Protection Program Onsite Review, Idaho Cleanup Project- June 2007 June 2007 Evaluation to determine whether the Idaho Cleanup Project is...

  9. Argonne National Lab Cleanup schedule

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

    Takes Steps to Complete Clean-Up of Argonne by 2003; Schedule for Shipping Waste to WIPP is 'Good News' for Illinois CARLSBAD, N.M., May 15, 2000 - The U.S. Department of Energy (DOE) reinforced plans to complete the clean-up of its Argonne National Laboratory-East site in Illinois by 2003 by accelerating its schedule for shipping transuranic waste to DOE's permanent disposal site in New Mexico. Previously, the shipments were not expected to begin before 2003. Under the accelerated schedule,

  10. Accelerated cleanup risk reduction

    SciTech Connect (OSTI)

    Knapp, R.B.; Aines, R.M.; Blake, R.G.; Copeland, A.B.; Newmark, R.L.; Tompson, A.F.B.

    1998-02-01

    There is no proven technology for remediating contaminant plume source regions in a heterogeneous subsurface. This project is an interdisciplinary effort to develop the requisite new technologies so that will be rapidly accepted by the remediation community. Our technology focus is hydrous pyrolysis/oxidation (HPO) which is a novel in situ thermal technique. We have expanded this core technology to leverage the action of steam injection and place an in situ microbial filter downstream to intercept and destroy the accelerated movement of contaminated groundwater. Most contaminant plume source regions, including the chlorinated solvent plume at LLNL, are in subsurface media characterized by a wide range in hydraulic conductivity. At LLNL, the main conduits for contaminant transport are buried stream channels composed of gravels and sands; these have a hydraulic conductivity in the range of 10{sup -1} to 10{sup -2} cm/s. Clay and silt units with a hydraulic conductivity of 10{sup -1} to 10{sup -6} cm/s bound these buried channels; these are barriers to groundwater movement and contain the highest contaminant concentrations in the source region. New remediation technologies are required because the current ones preferentially access the high conductivity units. HPO is an innovative process for the in situ destruction of contaminants in the entire subsurface. It operates by the injection of steam. We have demonstrated in laboratory experiments that many contaminants rapidly oxidize to harmless compounds at temperatures easily achieved by injecting steam, provided sufficient dissolved oxygen is present. One important challenge in a heterogeneous source region is getting heat, contaminants, and an oxidizing agent in the same place at the same time. We have used the NUFT computer program to simulate the cyclic injection of steam into a contaminated aquifer for design of a field demonstration. We used an 8 hour, steam/oxygen injection cycle followed by a 56 hour relaxation period in which the well was `capped`. Our results show the formation of an inclined gas phase during injection and a fast collapse of the steam zone within an hour of terminating steam injection. The majority of destruction occurs during the collapse phase, when contaminant laden water is drawn back towards the well. Little to no noncondensible gasses are created in this process, removing any possibility of sparging processes interfering with contaminant destruction. Our models suggest that the thermal region should be as hot and as large as possible. To have HPO accepted, we need to demonstrate the in situ destruction of contaminants. This requires the ability to inexpensively sample at depth and under high temperatures. We proved the ability to implies monitoring points at depths exceeding 150 feet in highly heterogeneous soils by use of cone penetrometry. In addition, an extractive system has been developed for sampling fluids and measuring their chemistry under the range of extreme conditions expected. We conducted a collaborative field test of HPO at a Superfund site in southern California where the contaminant is mainly creosote and pentachlorophenol. Field results confirm the destruction of contaminants by HPO, validate our field design from simulations, demonstrate that accurate field measurements of the critical fluid parameters can be obtained using existing monitoring wells (and minimal capital cost) and yield reliable cost estimates for future commercial application. We also tested the in situ microbial filter technology as a means to intercept and destroy the accelerated flow of contaminants caused by the injection of steam. A series of laboratory and field tests revealed that the selected bacterial species effectively degrades trichloroethene in LLNL Groundwater and under LLNL site conditions. In addition, it was demonstrated that the bacteria effectively attach to the LLNL subsurface media. An in-well treatability study indicated that the bacteria initially degrade greater than 99% of the contaminant, to concentrations less than regulatory limit

  11. Gas permeable electrode for electrochemical system

    DOE Patents [OSTI]

    Ludwig, F.A.; Townsend, C.W.

    1989-09-12

    An electrode apparatus is described which is adapted for use in electrochemical systems having an anode compartment and a cathode compartment in which gas and ions are produced and consumed in the compartments during generation of electrical current. The electrode apparatus includes a membrane for separating the anode compartment from the cathode compartment wherein the membrane is permeable to both ions and gas. The cathode and anode for the assembly are provided on opposite sides of the membrane. During use of the membrane-electrode apparatus in electrochemical cells, the gas and ions generated at the cathode or anode migrate through the membrane to provide efficient transfer of gas and ions between the anode and cathode compartments. 3 figs.

  12. Stimulus Funding Will Accelerate Cleanup In Idaho

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

    CLEANUP PROJECT ARRA FACT SHEET 1119 Kb Energy Secretary Chu Announces 6 Billion in Recovery Act Funding for Environmental Cleanup 88 Kb Editorial Date March 31, 2008 By Bradley...

  13. National Cleanup Workshops | Department of Energy

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

    National Cleanup Workshops National Cleanup Workshops The Energy Communities Alliance (ECA), in cooperation with the Department of Energy (DOE) and the Energy Facility Contractors Group (EFCOG), held the first National Cleanup Workshop Sept. 29 and 30, 2015, in the Washington, D.C. area. The workshop brought together senior DOE executives, officials from DOE sites, industry executives, and other stakeholders to discuss EM's progress in the cleanup of the environmental legacy of the nation's

  14. Washington Closure Hanford: Cleanup Progress Along Hanford's...

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

    Sax, President, Washington Closure Hanford. Washington Closure Hanford: Cleanup Progress Along Hanford's River Corridor More Documents & Publications 2014 Congressional Nuclear...

  15. Oak Ridge Cleanup Areas | Department of Energy

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

    Program Management » Environmental Stewardship » Oak Ridge Cleanup Areas Oak Ridge Cleanup Areas Employees conduct soil and water samples to determine which areas require cleanup. Employees conduct soil and water samples to determine which areas require cleanup. On November 21, 1989, the Environmental Protection Agency placed the Department of Energy's Oak Ridge site on its National Prioritization List (NPL). The list names national priorities where there are known or threatened releases of

  16. 2016 National Cleanup Workshop | Department of Energy

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

    2016 National Cleanup Workshop 2016 National Cleanup Workshop 2016 National Cleanup Workshop The Energy Communities Alliance (ECA) will be holding the 2016 National Cleanup Workshop Sept. 14-15, 2016, at the Hilton Alexandria Mark Center in Alexandria, Va. Cooperating organizations for the event include the Department of Energy (DOE) and the Energy Facility Contractors Group (EFCOG). The workshop will bring together senior DOE executives, officials from DOE sites, industry executives, and other

  17. Paducah Cleanup Progress | Department of Energy

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

    Progress Paducah Cleanup Progress Since 1990, DOE has invested $1.9 billion in successful Paducah site cleanup projects to protect human health and the environment. The Environmental Management (EM) cleanup mission will continue through GDP transition and decontamination and decommissioning. Significant Paducah Site Cleanup Progress since 1990: Paducah leanup Progress graphic Recent Progress A panoramic view of the east end of the C-410 complex shows a rainbow forming as sunlight passes through

  18. Gas sampling system for reactive gas-solid mixtures

    DOE Patents [OSTI]

    Daum, Edward D.; Downs, William; Jankura, Bryan J.; McCoury, Jr., John M.

    1990-01-01

    An apparatus and method for sampling gas containing a reactive particulate solid phase flowing through a duct and for communicating a representative sample to a gas analyzer. A sample probe sheath 32 with an angular opening 34 extends vertically into a sample gas duct 30. The angular opening 34 is opposite the gas flow. A gas sampling probe 36 concentrically located within sheath 32 along with calibration probe 40 partly extends in the sheath 32. Calibration probe 40 extends further in the sheath 32 than gas sampling probe 36 for purging the probe sheath area with a calibration gas during calibration.

  19. Gas sampling system for reactive gas-solid mixtures

    DOE Patents [OSTI]

    Daum, Edward D.; Downs, William; Jankura, Bryan J.; McCoury, Jr., John M.

    1989-01-01

    An apparatus and method for sampling a gas containing a reactive particulate solid phase flowing through a duct and for communicating a representative sample to a gas analyzer. A sample probe sheath 32 with an angular opening 34 extends vertically into a sample gas duct 30. The angular opening 34 is opposite the gas flow. A gas sampling probe 36 concentrically located within sheath 32 along with calibration probe 40 partly extend in the sheath 32. Calibration probe 40 extends further in the sheath 32 than gas sampling probe 36 for purging the probe sheath area with a calibration gas during calibration.

  20. Cleanup of Nuclear Licensed Facility 57

    SciTech Connect (OSTI)

    Jeanjacques, Michel; Bremond, Marie Pierre; Marchand, Carole; Poyau, Cecile; Viallefont, Cecile; Gautier, Laurent; Masure, Frederic

    2008-01-15

    This summary describes the operations to clean up the equipment of the Nuclear Licensed Facility 57 (NLF 57). Due to the diversity of the research and development work carried out on the reprocessing of spent fuel in it, this installation is emblematic of many of the technical and organizational issues liable to be encountered in the final closure of nuclear facilities. The French atomic energy commission's center at Fontenay aux Roses (CEA-FAR) was created in 1946 to house pile ZOE. Laboratories for fuel cycle research were installed in existing buildings at the site. Work was later concentrated on spent fuel reprocessing, in a pilot workshop referred to as the 'Usine Pu'. In the early sixties, after the dismantling of these first generation facilities, a radiochemistry laboratory dedicated to research and development work on reprocessing was constructed, designated Building 18. During the same decade, more buildings were added: Building 54, storehouses and offices, Building 91, a hall and laboratories for chemical engineering research on natural and depleted uranium. Together, these three building constitute NLF 57. Building 18 architecture featured four similar modules. Each module had three levels: a sub-level consisting of technical galleries and rooms for the liquid effluent tanks, a ground floor and roof space in which the ventilation was installed. Offices, change rooms, four laboratories and a hall were situated on the ground floor. The shielded lines were installed in the laboratories and the halls. Construction of the building took place between 1959 and 1962, and its commissioning began in 1961. The research and development programs performed in NLF 57 related to studies of the reprocessing of spent fuel, including dry methods and the Purex process, techniques for the treatment of waste (vitrification, alpha waste decontamination, etc.) as well as studies and production of transuranic elements for industry and research. In addition to this work, the necessary methods of analysis for monitoring it were also developed. The research and development program finally ended on 30 June 1995. The NLF 57 cleanup program was intended to reduce the nuclear and conventional hazards and minimize the quantities of HLW and MLW during the subsequent dismantling work. To facilitate the organization of the cleanup work, it was divided into categories by type: - treatment and removal of nuclear material, - removal of radioactive sources, - treatment and removal of aqueous liquid waste, - treatment and removal of organic effluents, - treatment and removal of solid waste, - pumping out of the PETRUS tank, - flushing and decontamination of the tanks, - cleanup of Buildings 18 and 91/54. To estimate the cost of the operations and to monitor the progress of the work, an indicator system was put in place based on work units representative of the operation. The values of the work units were periodically updated on the basis of experience feedback. The cleanup progress is now 92% complete (06/12/31): - treatment and removal of nuclear material: 100%, - removal of radioactive sources: 100%, - treatment and removal of aqueous liquid waste: 64%, - treatment and removal of organic effluents: 87%, - treatment and removal of solid waste: 99%, - pumping out of the PETRUS tank: 69%, - flushing and decontamination of tank: 75%, - section cleaning of Buildings 18 and 91/: 90%. The DRSN/SAFAR is the delegated Project Owner for cleanup and dismantling operations. It is also the prime contractor for the cleanup and dismantling operations. SAFAR itself is responsible for operations relating to the CEA activity and those with technical risks (Removal of nuclear materials, Removal of radioactive sources, Pumping out plutonium and transuranic contaminated solvent and Flushing and decontamination of tanks and pipes). All other operations are sub-contracted to specialist companies. The NLF57 cleanup program as executed is capable of attaining activity levels compatible with a future dismantling operation using known and mastered techniques and producing a

  1. Mid-South Metallurgical Makes Electrical and Natural Gas System...

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

    Mid-South Metallurgical Makes Electrical and Natural Gas System Upgrades to Reduce Energy Use and Achieve Cost Savings Mid-South Metallurgical Makes Electrical and Natural Gas ...

  2. Reduce Natural Gas Use in Your Industrial Process Heating Systems...

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

    Natural Gas Use in Your Industrial Process Heating Systems Industrial Technologies Program ... Companies recognize the value of natural gas as a versatile, clean-burning fuel, but ...

  3. Oilfield Flare Gas Electricity Systems (OFFGASES Project)

    SciTech Connect (OSTI)

    Rachel Henderson; Robert Fickes

    2007-12-31

    The Oilfield Flare Gas Electricity Systems (OFFGASES) project was developed in response to a cooperative agreement offering by the U.S. Department of Energy (DOE) and the National Energy Technology Laboratory (NETL) under Preferred Upstream Management Projects (PUMP III). Project partners included the Interstate Oil and Gas Compact Commission (IOGCC) as lead agency working with the California Energy Commission (CEC) and the California Oil Producers Electric Cooperative (COPE). The project was designed to demonstrate that the entire range of oilfield 'stranded gases' (gas production that can not be delivered to a commercial market because it is poor quality, or the quantity is too small to be economically sold, or there are no pipeline facilities to transport it to market) can be cost-effectively harnessed to make electricity. The utilization of existing, proven distribution generation (DG) technologies to generate electricity was field-tested successfully at four marginal well sites, selected to cover a variety of potential scenarios: high Btu, medium Btu, ultra-low Btu gas, as well as a 'harsh', or high contaminant, gas. Two of the four sites for the OFFGASES project were idle wells that were shut in because of a lack of viable solutions for the stranded noncommercial gas that they produced. Converting stranded gas to useable electrical energy eliminates a waste stream that has potential negative environmental impacts to the oil production operation. The electricity produced will offset that which normally would be purchased from an electric utility, potentially lowering operating costs and extending the economic life of the oil wells. Of the piloted sites, the most promising technologies to handle the range were microturbines that have very low emissions. One recently developed product, the Flex-Microturbine, has the potential to handle the entire range of oilfield gases. It is deployed at an oilfield near Santa Barbara to run on waste gas that is only 4% the strength of natural gas. The cost of producing oil is to a large extent the cost of electric power used to extract and deliver the oil. Researchers have identified stranded and flared gas in California that could generate 400 megawatts of power, and believe that there is at least an additional 2,000 megawatts that have not been identified. Since California accounts for about 14.5% of the total domestic oil production, it is reasonable to assume that about 16,500 megawatts could be generated throughout the United States. This power could restore the cost-effectiveness of thousands of oil wells, increasing oil production by millions of barrels a year, while reducing emissions and greenhouse gas emissions by burning the gas in clean distributed generators rather than flaring or venting the stranded gases. Most turbines and engines are designed for standardized, high-quality gas. However, emerging technologies such as microturbines have increased the options for a broader range of fuels. By demonstrating practical means to consume the four gas streams, the project showed that any gases whose properties are between the extreme conditions also could be utilized. The economics of doing so depends on factors such as the value of additional oil recovered, the price of electricity produced, and the alternate costs to dispose of stranded gas.

  4. Microfabricated BTU monitoring device for system-wide natural gas

    Office of Scientific and Technical Information (OSTI)

    monitoring. (Technical Report) | SciTech Connect Technical Report: Microfabricated BTU monitoring device for system-wide natural gas monitoring. Citation Details In-Document Search Title: Microfabricated BTU monitoring device for system-wide natural gas monitoring. The natural gas industry seeks inexpensive sensors and instrumentation to rapidly measure gas heating value in widely distributed locations. For gas pipelines, this will improve gas quality during transfer and blending, and will

  5. Water-saving liquid-gas conditioning system

    DOE Patents [OSTI]

    Martin, Christopher; Zhuang, Ye

    2014-01-14

    A method for treating a process gas with a liquid comprises contacting a process gas with a hygroscopic working fluid in order to remove a constituent from the process gas. A system for treating a process gas with a liquid comprises a hygroscopic working fluid comprising a component adapted to absorb or react with a constituent of a process gas, and a liquid-gas contactor for contacting the working fluid and the process gas, wherein the constituent is removed from the process gas within the liquid-gas contactor.

  6. Exhaust gas recirculation system for an internal combustion engine

    DOE Patents [OSTI]

    Wu, Ko-Jen

    2013-05-21

    An exhaust gas recirculation system for an internal combustion engine comprises an exhaust driven turbocharger having a low pressure turbine outlet in fluid communication with an exhaust gas conduit. The turbocharger also includes a low pressure compressor intake and a high pressure compressor outlet in communication with an intake air conduit. An exhaust gas recirculation conduit fluidly communicates with the exhaust gas conduit to divert a portion of exhaust gas to a low pressure exhaust gas recirculation branch extending between the exhaust gas recirculation conduit and an engine intake system for delivery of exhaust gas thereto. A high pressure exhaust gas recirculation branch extends between the exhaust gas recirculation conduit and the compressor intake and delivers exhaust gas to the compressor for mixing with a compressed intake charge for delivery to the intake system.

  7. Neural net controlled tag gas sampling system for nuclear reactors

    DOE Patents [OSTI]

    Gross, Kenneth C.; Laug, Matthew T.; Lambert, John D. B.; Herzog, James P.

    1997-01-01

    A method and system for providing a tag gas identifier to a nuclear fuel rod and analyze escaped tag gas to identify a particular failed nuclear fuel rod. The method and system include disposing a unique tag gas composition into a plenum of a nuclear fuel rod, monitoring gamma ray activity, analyzing gamma ray signals to assess whether a nuclear fuel rod has failed and is emitting tag gas, activating a tag gas sampling and analysis system upon sensing tag gas emission from a failed nuclear rod and evaluating the escaped tag gas to identify the particular failed nuclear fuel rod.

  8. Neural net controlled tag gas sampling system for nuclear reactors

    DOE Patents [OSTI]

    Gross, K.C.; Laug, M.T.; Lambert, J.B.; Herzog, J.P.

    1997-02-11

    A method and system are disclosed for providing a tag gas identifier to a nuclear fuel rod and analyze escaped tag gas to identify a particular failed nuclear fuel rod. The method and system include disposing a unique tag gas composition into a plenum of a nuclear fuel rod, monitoring gamma ray activity, analyzing gamma ray signals to assess whether a nuclear fuel rod has failed and is emitting tag gas, activating a tag gas sampling and analysis system upon sensing tag gas emission from a failed nuclear rod and evaluating the escaped tag gas to identify the particular failed nuclear fuel rod. 12 figs.

  9. Power control system for a hot gas engine

    DOE Patents [OSTI]

    Berntell, John O.

    1986-01-01

    A power control system for a hot gas engine of the type in which the power output is controlled by varying the mean pressure of the working gas charge in the engine has according to the present invention been provided with two working gas reservoirs at substantially different pressure levels. At working gas pressures below the lower of said levels the high pressure gas reservoir is cut out from the control system, and at higher pressures the low pressure gas reservoir is cut out from the system, thereby enabling a single one-stage compressor to handle gas within a wide pressure range at a low compression ratio.

  10. Hanford Story: Tank Waste Cleanup - Questions - Hanford Site

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

    The Hanford Story Hanford Story: Tank Waste Cleanup - Questions The Hanford Story Hanford Story: Tank Waste Cleanup - Questions Email Email Page | Print Print Page |Text Increase Font Size Decrease Font Size Why is the Waste Treatment Plant being built? Where did the waste in the Tank Farms come from? How many gallons of waste are contained in the tanks? Why is removing the waste from the tanks so challenging? What is the Mobile Arm Retrieval System (MARS)? How will the tank waste be delivered

  11. On-Board Hydrogen Gas Production System For Stirling Engines...

    Office of Scientific and Technical Information (OSTI)

    Patent: On-Board Hydrogen Gas Production System For Stirling Engines Citation Details In-Document Search Title: On-Board Hydrogen Gas Production System For Stirling Engines A ...

  12. On-Board Hydrogen Gas Production System For Stirling Engines...

    Office of Scientific and Technical Information (OSTI)

    Patent: On-Board Hydrogen Gas Production System For Stirling Engines Citation Details In-Document Search Title: On-Board Hydrogen Gas Production System For Stirling Engines You ...

  13. Tips: Natural Gas and Oil Heating Systems | Department of Energy

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

    Natural Gas and Oil Heating Systems Tips: Natural Gas and Oil Heating Systems Install a new energy-efficient furnace to save money over the long term. Install a new ...

  14. Energy Department Expands Gas Gouging Reporting System to Include...

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

    Expands Gas Gouging Reporting System to Include 1-800 Number: 1-800-244-3301 Energy Department Expands Gas Gouging Reporting System to Include 1-800 Number: 1-800-244-3301 ...

  15. 2014 Congressional Nuclear Cleanup Caucus Briefings | Department of Energy

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

    4 Congressional Nuclear Cleanup Caucus Briefings 2014 Congressional Nuclear Cleanup Caucus Briefings The Congressional Nuclear Cleanup Caucus serves as a way to brief members of Congress and their staff on EM headquarters and site activities, including budget, safety and project progress. PDF icon FY15 Budget Overview for Cleanup Caucus PDF icon Idaho Cleanup Project PDF icon Advanced Mixed Waste Treatment Project PDF icon Richland Operations Office Cleanup Strategy, Scope PDF icon Idaho Cleanup

  16. EM Tackles Cleanup at Tonopah Test Range | Department of Energy

    Office of Environmental Management (EM)

    Tackles Cleanup at Tonopah Test Range EM Tackles Cleanup at Tonopah Test Range September 30, 2014 - 12:00pm Addthis Field technicians survey a shaker used in past cleanup operations. Field technicians survey a shaker used in past cleanup operations. A field technician in protective gear surveys a bucket used during soil cleanup in 1997. A field technician in protective gear surveys a bucket used during soil cleanup in 1997. Field technicians survey a shaker used in past cleanup operations. A

  17. All metal valve structure for gas systems

    DOE Patents [OSTI]

    Baker, Ray W.; Pawlak, Donald A.; Ramey, Alford J.

    1984-11-13

    A valve assembly with a resilient metal seat member is disclosed for providing a gas-tight seal in a gas handling system. The valve assembly also includes a valve element for sealing against the valve seat member; and an actuating means for operating the valve element. The valve seat member is a one-piece stainless steel ring having a central valve port and peripheral mounting flange, and an annular corrugation in between. A groove between the first and second ridges serves as a flexure zone during operation of the valve member and thus provides the seating pressure between the inner ridge or valve seat and the valve element. The outer annular ridge has a diameter less than said valve element to limit the seating motion of the valve element, preventing non-elastic deformation of the seat member.

  18. Gas Main Sensor and Communications Network System

    SciTech Connect (OSTI)

    Hagen Schempf

    2006-05-31

    Automatika, Inc. was contracted by the Department of Energy (DOE) and with co-funding from the Northeast Gas Association (NGA), to develop an in-pipe natural gas prototype measurement and wireless communications system for assessing and monitoring distribution networks. This projected was completed in April 2006, and culminated in the installation of more than 2 dozen GasNet nodes in both low- and high-pressure cast-iron and steel mains owned by multiple utilities in the northeastern US. Utilities are currently logging data (off-line) and monitoring data in real time from single and multiple networked sensors over cellular networks and collecting data using wireless bluetooth PDA systems. The system was designed to be modular, using in-pipe sensor-wands capable of measuring, flow, pressure, temperature, water-content and vibration. Internal antennae allowed for the use of the pipe-internals as a waveguide for setting up a sensor network to collect data from multiple nodes simultaneously. Sensor nodes were designed to be installed with low- and no-blow techniques and tools. Using a multi-drop bus technique with a custom protocol, all electronics were designed to be buriable and allow for on-board data-collection (SD-card), wireless relaying and cellular network forwarding. Installation options afforded by the design included direct-burial and external polemounted variants. Power was provided by one or more batteries, direct AC-power (Class I Div.2) and solar-array. The utilities are currently in a data-collection phase and intend to use the collected (and processed) data to make capital improvement decisions, compare it to Stoner model predictions and evaluate the use of such a system for future expansion, technology-improvement and commercialization starting later in 2006.

  19. EIA - Natural Gas Pipeline System - Links to U.S. Natural Gas Pipeline

    U.S. Energy Information Administration (EIA) Indexed Site

    Systems Links About U.S. Natural Gas Pipelines - Transporting Natural Gas based on data through 2007/2008 with selected updates Links to U.S. Natural Gas Pipeline Information - The links below will either direct the user to a narrative describing the system, a pipeline system map, a FERC prescribed "Informational Postings" page, or a FERC Tariff Sheet. Pipeline Name Type of System Regions of Operations Acadian Gas Pipeline System Intrastate Southwest Algonquin Gas Transmission Co

  20. Legacy Cleanup Contract Awarded | Department of Energy

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

    Legacy Cleanup Contract Awarded Legacy Cleanup Contract Awarded September 23, 2015 - 6:00pm Addthis Cincinnati - The U.S. Department of Energy (DOE) today announced the award of a Cost-Plus-Award Fee contract to Los Alamos National Security, LLC (LANS) of Los Alamos, NM. This bridge contract is for the Office of Environmental Management (EM) funded legacy cleanup activities at the Los Alamos National Laboratory (LANL). LANS is formed by the University of California, Bechtel, Babcock & Wilcox

  1. Hanford Site Cleanup Completion Framework - Hanford Site

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

    Documents Hanford Site Cleanup Completion Framework Documents Documents Hanford Site Cleanup Completion Framework Tri-Party Agreement Freedom of Information and Privacy Act Hanford Site Budget Hanford Site Safety Standards DOE - ORP Contracts/Procurements DOE - RL Contracts/Procurements Integrated Waste Feed Delivery Plan Single-Shell Tank Evaluations Deep Vadose Zone 100-F RI/FS Sitewide Probabilistic Seismic Hazard Analysis Environmental Hanford Site Cleanup Completion Framework Email Email

  2. Lab completes record year for environmental cleanup

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

    Record year for environmental cleanup Lab completes record year for environmental cleanup Personnel conducted more field investigations and cleanup campaigns than ever and completed a record number of Lab shipments to WIPP. December 16, 2010 Los Alamos National Laboratory sits on top of a once-remote mesa in northern New Mexico with the Jemez mountains as a backdrop to research and innovation covering multi-disciplines from bioscience, sustainable energy sources, to plasma physics and new

  3. EIA - Natural Gas Pipeline System - Midwest Region

    U.S. Energy Information Administration (EIA) Indexed Site

    Midwest Region About U.S. Natural Gas Pipelines - Transporting Natural Gas based on data through 2007/2008 with selected updates Natural Gas Pipelines in the Midwest Region Overview | Domestic Gas | Canadian Imports | Regional Pipeline Companies & Links Overview Twenty-six interstate and at least eight intrastate natural gas pipeline companies operate within the Midwest Region (Illinois, Indiana, Michigan, Minnesota, Ohio, and Wisconsin). The principal sources of natural gas supply for the

  4. Needs for Risk Informing Environmental Cleanup Decision Making - 13613

    SciTech Connect (OSTI)

    Zhu, Ming; Moorer, Richard

    2013-07-01

    This paper discusses the needs for risk informing decision making by the U.S. Department of Energy (DOE) Office of Environmental Management (EM). The mission of the DOE EM is to complete the safe cleanup of the environmental legacy brought about from the nation's five decades of nuclear weapons development and production and nuclear energy research. This work represents some of the most technically challenging and complex cleanup efforts in the world and is projected to require the investment of billions of dollars and several decades to complete. Quantitative assessments of health and environmental risks play an important role in work prioritization and cleanup decisions of these challenging environmental cleanup and closure projects. The risk assessments often involve evaluation of performance of integrated engineered barriers and natural systems over a period of hundreds to thousands of years, when subject to complex geo-environmental transformation processes resulting from remediation and disposal actions. The requirement of resource investments for the cleanup efforts and the associated technical challenges have subjected the EM program to continuous scrutiny by oversight entities. Recent DOE reviews recommended application of a risk-informed approach throughout the EM complex for improved targeting of resources. The idea behind this recommendation is that by using risk-informed approaches to prioritize work scope, the available resources can be best utilized to reduce environmental and health risks across the EM complex, while maintaining the momentum of the overall EM cleanup program at a sustainable level. In response to these recommendations, EM is re-examining its work portfolio and key decision making with risk insights for the major sites. This paper summarizes the review findings and recommendations from the DOE internal reviews, discusses the needs for risk informing the EM portfolio and makes an attempt to identify topics for R and D in integrated risk assessment that could assist in the EM prioritization efforts. (authors)

  5. The ABCs of Hanford Cleanup

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

    ABC's of Hanford Cleanup A B C ARRA Budget Community Relations Plan Asbestos Branching Out Columbia River Workshops Baton Chromium Badgers

  6. Portsmouth Environmental Cleanup | Department of Energy

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

    required the use of a number of typical and special industrial chemicals and materials. ... The Environmental Cleanup Program was established by DOE in 1989 to identify, control, and ...

  7. Lab completes first Recovery Act cleanup project

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

    waste landfill. "The Recovery Act has been a huge boost to our overall cleanup efforts," said Michael Graham, LANL's associate director of environmental programs. "Completing...

  8. Independent Oversight Assessment, Idaho Cleanup Project Sodium...

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

    Waste Treatment Project - November 2012 November 2012 Assessment of Nuclear Safety Culture at the Idaho Cleanup Project Sodium Bearing Waste Treatment Project This report...

  9. Cleanup Chief Visits Portsmouth, Paducah Sites

    Broader source: Energy.gov [DOE]

    LEXINGTON, Ky. – EM Assistant Secretary Dr. Monica Regalbuto recently visited EM’s Portsmouth and Paducah sites to review cleanup progress.

  10. Gas-phase propane fuel delivery system

    SciTech Connect (OSTI)

    Clements, J.

    1991-04-30

    This patent describes a gas-phase fuel delivery system for delivering a vapor phase fuel independent of exterior temperatures. It comprises:a storage tank for storing a volume of fuel; a regulator in fluid communication with the tank for receiving fuel from the tank and for outputting the fuel in a vapor phase; a pressure sensor in fluid communication with the tank for monitoring pressure within the tank, the pressure sensor being operative to generate a pump enable signal when the pressure within the tank is less than a predetermined threshold; a pump in fluid communication with the tank.

  11. Reduce Natural Gas Use in Your Industrial Process Heating Systems...

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

    Reduce Natural Gas Use in Your Industrial Process Heating Systems This fact sheet describes ten effective ways to save energy and money in industrial process heating systems by ...

  12. Hot gas path component cooling system

    DOE Patents [OSTI]

    Lacy, Benjamin Paul; Bunker, Ronald Scott; Itzel, Gary Michael

    2014-02-18

    A cooling system for a hot gas path component is disclosed. The cooling system may include a component layer and a cover layer. The component layer may include a first inner surface and a second outer surface. The second outer surface may define a plurality of channels. The component layer may further define a plurality of passages extending generally between the first inner surface and the second outer surface. Each of the plurality of channels may be fluidly connected to at least one of the plurality of passages. The cover layer may be situated adjacent the second outer surface of the component layer. The plurality of passages may be configured to flow a cooling medium to the plurality of channels and provide impingement cooling to the cover layer. The plurality of channels may be configured to flow cooling medium therethrough, cooling the cover layer.

  13. Advanced Liquid Natural Gas Onboard Storage System

    SciTech Connect (OSTI)

    Greg Harper; Charles Powars

    2003-10-31

    Cummins Westport Incorporated (CWI) has designed and developed a liquefied natural gas (LNG) vehicle fuel system that includes a reciprocating pump with the cold end submerged in LNG contained in a vacuum-jacketed tank. This system was tested and analyzed under the U.S. Department of Energy (DOE) Advanced LNG Onboard Storage System (ALOSS) program. The pumped LNG fuel system developed by CWI and tested under the ALOSS program is a high-pressure system designed for application on Class 8 trucks powered by CWI's ISX G engine, which employs high-pressure direct injection (HPDI) technology. A general ALOSS program objective was to demonstrate the feasibility and advantages of a pumped LNG fuel system relative to on-vehicle fuel systems that require the LNG to be ''conditioned'' to saturation pressures that exceeds the engine fuel pressure requirements. These advantages include the capability to store more fuel mass in given-size vehicle and station tanks, and simpler lower-cost LNG refueling stations that do not require conditioning equipment. Pumped LNG vehicle fuel systems are an alternative to conditioned LNG systems for spark-ignition natural gas and port-injection dual-fuel engines (which typically require about 100 psi), and they are required for HPDI engines (which require over 3,000 psi). The ALOSS program demonstrated the feasibility of a pumped LNG vehicle fuel system and the advantages of this design relative to systems that require conditioning the LNG to a saturation pressure exceeding the engine fuel pressure requirement. LNG tanks mounted on test carts and the CWI engineering truck were repeatedly filled with LNG saturated at 20 to 30 psig. More fuel mass was stored in the vehicle tanks as well as the station tank, and no conditioning equipment was required at the fueling station. The ALOSS program also demonstrated the general viability and specific performance of the CWI pumped LNG fuel system design. The system tested as part of this program is designed to be used on Class 8 trucks with CWI ISX G HPDI engines. Extensive test cart and engineering truck tests of the pump demonstrated good durability and the high-pressure performance needed for HPDI application. The LNG tanks manufactured by Taylor-Wharton passed SAE J2343 Recommended Practice drop tests and accelerated road-load vibration tests. NER and hold-time tests produced highly consistent results. Additional tests confirmed the design adequacy of the liquid level sensor, vaporizer, ullage volume, and other fuel system components. While the testing work performed under this program focused on a high-pressure pumped LNG fuel system design, the results also validate the feasibility of a low-pressure pumped fuel system. A low-pressure pumped fuel system could incorporate various design refinements including a simpler and lighter-weight pump, which would decrease costs somewhat relative to a high-pressure system.

  14. EIA - Natural Gas Pipeline System - Central Region

    U.S. Energy Information Administration (EIA) Indexed Site

    Central Region About U.S. Natural Gas Pipelines - Transporting Natural Gas based on data through 2007/2008 with selected updates Natural Gas Pipelines in the Central Region Overview | Domestic Gas | Exports | Regional Pipeline Companies & Links Overview Twenty-two interstate and at least thirteen intrastate natural gas pipeline companies (see Table below) operate in the Central Region (Colorado, Iowa, Kansas, Missouri, Montana, Nebraska, North Dakota, South Dakota, Utah, and Wyoming). Twelve

  15. Integrated low emission cleanup system for direct coal-fueled turbines (electrostatic agglomeration). Project quarterly report, September 1, 1991--December 31, 1991

    SciTech Connect (OSTI)

    Quimby, J.M.

    1992-02-01

    The objective of this contract is to investigate the removal of SO{sub x} and particulate matter from direct coal-fired combustion gas streams at high temperature and high pressure conditions. This investigation will be accomplished through a bench-scale testing and evaluation program employing sorbent mixed with a coal-water slurry for SO{sub x} removal, and an innovative particulate control concept. The particulate control device utilizes electrostatic agglomeration followed by a high efficiency mechanical collector (cyclone). The process goal is to achieve particulate collection efficiency better than that required by the 1979 new source performance standards. An additional goal is to demonstrate 70% SO{sub x} removal efficiency. This research project is now in the second of a 3 phase (Phase II) project. Phase II is to fabricate the combustor and particulate control devices and install the system at a test facility located at Research-Cottrell`s, KVB Western Laboratory, Santa Ana, CA. There are three functional categories, or tasks which are to be completed in sequence. These tasks are itemized as follows: Design, procurement, and installation; Shakedown and startup; Reporting. Attempts to validate the concept of electrostatic agglomeration were not possible in the shakedown program before budget constraints halted the program. What was learned was that electrostatic precipitation is feasible in the temperature range of 1600--1800{degrees}F and at pressures above 10 atmospheres.

  16. System for controlling the flow of gas into and out of a gas laser

    DOE Patents [OSTI]

    Alger, Terry; Uhlich, Dennis M.; Benett, William J.; Ault, Earl R.

    1994-01-01

    A modularized system for controlling the gas pressure within a copper vapor or like laser is described herein. This system includes a gas input assembly which serves to direct gas into the laser in a controlled manner in response to the pressure therein for maintaining the laser pressure at a particular value, for example 40 torr. The system also includes a gas output assembly including a vacuum pump and a capillary tube arrangement which operates within both a viscous flow region and a molecular flow region for drawing gas out of the laser in a controlled manner.

  17. EIA - Natural Gas Pipeline Network - Network Configuration & System Design

    U.S. Energy Information Administration (EIA) Indexed Site

    Network Configuration & System Design About U.S. Natural Gas Pipelines - Transporting Natural Gas based on data through 2007/2008 with selected updates Network Configuration and System Design Overview | Transmission/Storage | Design Criteria | Importance of Storage| Overall Pipeline System Configuration Overview A principal requirement of the natural gas transmission system is that it be capable of meeting the peak demand of its shippers who have contracts for firm service. To meet this

  18. HANFORD SITE RIVER CORRIDOR CLEANUP

    SciTech Connect (OSTI)

    BAZZELL, K.D.

    2006-02-01

    In 2005, the US Department of Energy (DOE) launched the third generation of closure contracts, including the River Corridor Closure (RCC) Contract at Hanford. Over the past decade, significant progress has been made on cleaning up the river shore that bordes Hanford. However, the most important cleanup challenges lie ahead. In March 2005, DOE awarded the Hanford River Corridor Closure Contract to Washington Closure Hanford (WCH), a limited liability company owned by Washington Group International, Bechtel National and CH2M HILL. It is a single-purpose company whose goal is to safely and efficiently accelerate cleanup in the 544 km{sup 2} Hanford river corridor and reduce or eliminate future obligations to DOE for maintaining long-term stewardship over the site. The RCC Contract is a cost-plus-incentive-fee closure contract, which incentivizes the contractor to reduce cost and accelerate the schedule. At $1.9 billion and seven years, WCH has accelerated cleaning up Hanford's river corridor significantly compared to the $3.2 billion and 10 years originally estimated by the US Army Corps of Engineers. Predictable funding is one of the key features of the new contract, with funding set by contract at $183 million in fiscal year (FY) 2006 and peaking at $387 million in FY2012. Another feature of the contract allows for Washington Closure to perform up to 40% of the value of the contract and subcontract the balance. One of the major challenges in the next few years will be to identify and qualify sufficient subcontractors to meet the goal.

  19. EIA - Natural Gas Pipeline System - Southeast Region

    U.S. Energy Information Administration (EIA) Indexed Site

    Southeast Region About U.S. Natural Gas Pipelines - Transporting Natural Gas based on data through 2007/2008 with selected updates Natural Gas Pipelines in the Southeast Region Overview | Transportation to Atlantic & Gulf States | Gulf of Mexico Transportation Corridor | Transportation to the Northern Tier | Regional Pipeline Companies & Links Overview Twenty-three interstate, and at least eight intrastate, natural gas pipeline companies operate within the Southeast Region (Alabama,

  20. EIA - Natural Gas Pipeline System - Southwest Region

    U.S. Energy Information Administration (EIA) Indexed Site

    Southwest Region About U.S. Natural Gas Pipelines - Transporting Natural Gas based on data through 2007/2008 with selected updates Natural Gas Pipelines in the Southwest Region Overview | Export Transportation | Intrastate | Connection to Gulf of Mexico | Regional Pipeline Companies & Links Overview Most of the major onshore interstate natural gas pipeline companies (see Table below) operating in the Southwest Region (Arkansas, Louisiana, New Mexico, Oklahoma, and Texas) are primarily

  1. EIA - Natural Gas Pipeline System - Western Region

    U.S. Energy Information Administration (EIA) Indexed Site

    Western Region About U.S. Natural Gas Pipelines - Transporting Natural Gas based on data through 2007/2008 with selected updates Natural Gas Pipelines in the Western Region Overview | Transportation South | Transportation North | Regional Pipeline Companies & Links Overview Ten interstate and nine intrastate natural gas pipeline companies provide transportation services to and within the Western Region (Arizona, California, Idaho, Nevada, Oregon, and Washington), the fewest number serving

  2. Protocol_for_Environmental_Management_Cleanup_Projects_(clean...

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

    ProtocolforEnvironmentalManagementCleanupProjects(clean).pdf ProtocolforEnvironmentalManagementCleanupProjects(clean).pdf PDF icon ProtocolforEnvironmentalManagement...

  3. 2015 DOE National Cleanup Workshop | Department of Energy

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

    2015 DOE National Cleanup Workshop 2015 DOE National Cleanup Workshop Addthis 1 of 5 2 of 5 3 of 5 4 of 5 5 of 5

  4. Recovery Act Exceeds Major Cleanup Milestone, DOE Complex Now...

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

    Recovery Act Exceeds Major Cleanup Milestone, DOE Complex Now 74 Percent Remediated Recovery Act Exceeds Major Cleanup Milestone, DOE Complex Now 74 Percent Remediated The Office ...

  5. Recovery Act Investment Accelerates Cleanup Work at DOE's Paducah...

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

    Cleanup continues to prepare the remaining part of the complex, backgroundfor demolition ... Cleanup continues to prepare the remaining part of the complex, backgroundfor demolition ...

  6. Lawrence Berkeley National Laboratory Launches Cleanup and Demolition...

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

    Lawrence Berkeley National Laboratory Launches Cleanup and Demolition Project Lawrence Berkeley National Laboratory Launches Cleanup and Demolition Project June 30, 2015 - 12:00pm ...

  7. Passive Groundwater Cleanup Measures Save Savannah River Site...

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

    Passive Groundwater Cleanup Measures Save Savannah River Site Millions of Dollars Passive Groundwater Cleanup Measures Save Savannah River Site Millions of Dollars November 25, ...

  8. Energy Technology Engineering Center (ETEC) Cleanup By the Numbers...

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

    Energy Technology Engineering Center (ETEC) Cleanup By the Numbers Energy Technology Engineering Center (ETEC) Cleanup By the Numbers Energy Technology Engineering Center (ETEC) ...

  9. Technology Development Advances EM Cleanup | Department of Energy

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

    Development Advances EM Cleanup Technology Development Advances EM Cleanup The unique nature of many of EM's remaining facilities will require a strong and responsive engineering ...

  10. EM's Defense Waste Processing Facility Achieves Waste Cleanup...

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

    Defense Waste Processing Facility Achieves Waste Cleanup Milestone EM's Defense Waste Processing Facility Achieves Waste Cleanup Milestone January 14, 2016 - 12:10pm Addthis The ...

  11. Probing Fukushima with cosmic rays should speed cleanup

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

    Probing Fukushima with cosmic rays should speed cleanup Probing Fukushima with cosmic rays should speed cleanup The initiative could reduce the time required to clean up the ...

  12. NREL: Energy Systems Integration - NREL Teams with Southern California Gas

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

    to Launch First Power-to-Gas Project in U.S. NREL Teams with Southern California Gas to Launch First Power-to-Gas Project in U.S. April 14, 2015 Southern California Gas Company (SoCalGas) has joined with the Energy Department's National Renewable Energy Laboratory (NREL) and the National Fuel Cell Research Center (NFCRC) to launch demonstration projects to create and test a carbon-free, power-to-gas system for the first time ever in the United States. The technology converts electricity into

  13. System and method for producing substitute natural gas from coal

    DOE Patents [OSTI]

    Hobbs, Raymond

    2012-08-07

    The present invention provides a system and method for producing substitute natural gas and electricity, while mitigating production of any greenhouse gasses. The system includes a hydrogasification reactor, to form a gas stream including natural gas and a char stream, and an oxygen burner to combust the char material to form carbon oxides. The system also includes an algae farm to convert the carbon oxides to hydrocarbon material and oxygen.

  14. EM Develops Database for Efficient Solutions to Nuclear Cleanup Challenges Across Complex

    Broader source: Energy.gov [DOE]

    WASHINGTON, D.C. – Many deactivation and decommissioning (D&D) projects across the EM complex require robotic and remote handling systems to protect workers during nuclear cleanup operations.

  15. System and method for cooling a combustion gas charge

    DOE Patents [OSTI]

    Massey, Mary Cecelia; Boberg, Thomas Earl

    2010-05-25

    The present invention relates to a system and method for cooling a combustion gas charge prior. The combustion gas charge may include compressed intake air, exhaust gas, or a mixture thereof. An evaporator is provided that may then receive a relatively high temperature combustion gas charge and discharge at a relatively lower temperature. The evaporator may be configured to operate with refrigeration cycle components and/or to receive a fluid below atmospheric pressure as the phase-change cooling medium.

  16. Environmental Cleanup Reports | Department of Energy

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

    Environmental Cleanup Reports Environmental Cleanup Reports June 2, 2015 Audit Report: DOE/IG-0937 The Status of Cleanup at the Department of Energy's Paducah Site September 18, 2014 Audit Report: OAS-M-14-11 Follow-Up on the Management of the Plutonium Finishing Plant Project September 26, 2013 Audit Report: OAS-L-13-15 The Radioactive Liquid Waste Treatment Facility Replacement Project at Los Alamos National Laboratory August 8, 2013 Audit Report: OAS-M-13-03 Cost Transfers at the Department's

  17. Gas stream cleaning system and method

    DOE Patents [OSTI]

    Kunchal, S. Kumar; Erck, Louis J.; Harris, Harry A.

    1979-04-13

    An oil mist and solid particle laden gas from an oil shale retorting operation is initially treated with a temperature controlled oil spray and then by a coalescer to reduce the quantity of oil mist and remove most of the solid particle content of the gas stream and then finally treated by an electrostatic precipitator to essentially remove the oil mist remaining in the gas.

  18. Natural Gas Annual Respondent Query System

    Gasoline and Diesel Fuel Update (EIA)

    (Volumes in Thousand Cubic Feet, Prices in Dollars per Thousand Cubic Feet) Form EIA-176 * User Guide * Definitions, Sources, & Notes Natural Gas Deliveries (2011 - 2014)...

  19. Hazardous waste cleanup: the preliminaries

    SciTech Connect (OSTI)

    Amos, K.

    1985-08-01

    This article describes the lengthiness and cost of the preliminary steps in a hazardous waste cleanup. The article describes the S-Area lawsuit, an area near Niagara Falls, New York which was an inactive chemical dump. Contaminated sludge was found at a nearby water treatment plant and was traced back to S-Area. In the past five years, S-Area negotiations have cost the U.S. Environmental Protection Agency two million dollars for advice on how work should proceed for the plant and the landfill. This lawsuit was one of the first in the U.S. against a chemical company for endangering the public through unsound waste disposal practices. Negotiation was selected instead of a trial for several reasons which are outlined. S-Area may serve as a model for other such settlements, as it provides for a flexible plan, open to consideration of alternate technologies that may be developed in the future. It contains a phased approach to both defining and evaluating existing problems, then suggesting remedies. It also requires monitoring for at least 35 years or until no danger remains.

  20. Expert system technology for natural gas resource development

    SciTech Connect (OSTI)

    Munro, R.G.

    1997-12-31

    Materials data are used in all aspects of the development of natural gas resources. Unconventional gas resources require special attention in their development and may benefit from heuristic assessments of the materials data, geological site conditions, and the knowledge base accumulated from previous unconventional site developments. Opportunities for using expert systems in the development of unconventional natural gas resources are discussed. A brief introduction to expert systems is provided in a context that emphasizes the practical nature of their service. The discussion then focuses on the development of unconventional gas reserves. Whenever possible, the likelihood of success in constructing useful expert systems for gas resource development is indicated by comparisons to existing expert systems that perform comparable functions in other industries. Significant opportunities are found for applications to site assessment, the interpretation of well log data, and the monitoring and optimization of gas processing in small-scale recovery operations.

  1. Biogas Impurities and Cleanup for Fuel Cells

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

    Biogas Impurities and Cleanup for Fuel Cells Dennis Papadias and Shabbir Ahmed Argonne National Laboratory Presented at the Biogas and Fuel Cells Workshop Golden, CO June 11-13,...

  2. Microsoft Word - California_cleanup.doc

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

    WIPP Completes California Sites Cleanup CARLSBAD, N.M., June 14, 2010 - The U.S. ... 40 miles east of San Francisco and about seven miles southwest of Livermore, California. ...

  3. Environmental Cleanup Reports | Department of Energy

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

    Audit of Moab Mill Tailings Cleanup Project April 9, 2010 Audit Report: OAS-RA-10-07 Management Alert on Environmental Management's Select Strategy for Disposition of Savannah...

  4. 2012 Congressional Nuclear Cleanup Caucus Briefings

    Broader source: Energy.gov [DOE]

    The Congressional Nuclear Cleanup Caucus serves as a way to brief members of Congress and their staff on EM headquarters and site activities, including budget, safety and project progress.

  5. Y-12 National Security Complex Cleanup

    Broader source: Energy.gov [DOE]

    This fact sheet provides an update on all of the current cleanup projects at the site, and it also lists the major projects completed at the Y-12 National Security Complex.

  6. Two-tank working gas storage system for heat engine

    DOE Patents [OSTI]

    Hindes, Clyde J.

    1987-01-01

    A two-tank working gas supply and pump-down system is coupled to a hot gas engine, such as a Stirling engine. The system has a power control valve for admitting the working gas to the engine when increased power is needed, and for releasing the working gas from the engine when engine power is to be decreased. A compressor pumps the working gas that is released from the engine. Two storage vessels or tanks are provided, one for storing the working gas at a modest pressure (i.e., half maximum pressure), and another for storing the working gas at a higher pressure (i.e., about full engine pressure). Solenoid valves are associated with the gas line to each of the storage vessels, and are selectively actuated to couple the vessels one at a time to the compressor during pumpdown to fill the high-pressure vessel with working gas at high pressure and then to fill the low-pressure vessel with the gas at low pressure. When more power is needed, the solenoid valves first supply the low-pressure gas from the low-pressure vessel to the engine and then supply the high-pressure gas from the high-pressure vessel. The solenoid valves each act as a check-valve when unactuated, and as an open valve when actuated.

  7. Electrical swing adsorption gas storage and delivery system

    DOE Patents [OSTI]

    Judkins, Roddie R.; Burchell, Timothy D.

    1999-01-01

    Systems and methods for electrical swing natural gas adsorption are described. An apparatus includes a pressure vessel; an electrically conductive gas adsorptive material located within the pressure vessel; and an electric power supply electrically connected to said adsorptive material. The adsorptive material can be a carbon fiber composite molecular sieve (CFCMS). The systems and methods provide advantages in that both a high energy density and a high ratio of delivered to stored gas are provided.

  8. Electrical swing adsorption gas storage and delivery system

    DOE Patents [OSTI]

    Judkins, R.R.; Burchell, T.D.

    1999-06-15

    Systems and methods for electrical swing natural gas adsorption are described. An apparatus includes a pressure vessel; an electrically conductive gas adsorptive material located within the pressure vessel; and an electric power supply electrically connected to said adsorptive material. The adsorptive material can be a carbon fiber composite molecular sieve (CFCMS). The systems and methods provide advantages in that both a high energy density and a high ratio of delivered to stored gas are provided. 5 figs.

  9. Site Transition Process Upon Cleanup Completion | Department of Energy

    Energy Savers [EERE]

    Process Upon Cleanup Completion Site Transition Process Upon Cleanup Completion Site Transition Process Upon Cleanup Completion PDF icon Site Transition Process Upon Cleanup Completion More Documents & Publications Recommendation 198: Establish a site transition process Recommendation 218: Develop a Fact Sheet on Site Transition at On-going Mission Sites EM SSAB Conference Calls - January 27, 2011

  10. Process and system for removing impurities from a gas

    DOE Patents [OSTI]

    Henningsen, Gunnar; Knowlton, Teddy Merrill; Findlay, John George; Schlather, Jerry Neal; Turk, Brian S

    2014-04-15

    A fluidized reactor system for removing impurities from a gas and an associated process are provided. The system includes a fluidized absorber for contacting a feed gas with a sorbent stream to reduce the impurity content of the feed gas; a fluidized solids regenerator for contacting an impurity loaded sorbent stream with a regeneration gas to reduce the impurity content of the sorbent stream; a first non-mechanical gas seal forming solids transfer device adapted to receive an impurity loaded sorbent stream from the absorber and transport the impurity loaded sorbent stream to the regenerator at a controllable flow rate in response to an aeration gas; and a second non-mechanical gas seal forming solids transfer device adapted to receive a sorbent stream of reduced impurity content from the regenerator and transfer the sorbent stream of reduced impurity content to the absorber without changing the flow rate of the sorbent stream.

  11. Cleanup Progress Report - 2011 | Department of Energy

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

    1 Cleanup Progress Report - 2011 In this issue, learn about EM's accomplishments in 2011 across the Oak Ridge Reservation. There are many more stories contained within the issue, but here are some of the highlights from each site. East Tennessee Technology Park DOE Selects New Cleanup Contractor K-25 East Wing Demolition Begins K-33 Building Demolished Oak Ridge National Laboratory 2000 Complex Demolition Completed Bethel Valley Burial Ground Remediation Completed Bethel Valley Groundwater

  12. Credibility and trust in federal facility cleanups

    SciTech Connect (OSTI)

    Raynes, D.B.

    1995-12-01

    The most important indicator of a well-managed site cleanup effort may no longer be funding or scientific expertise. While support for federal facility cleanup has included appropriations of more than $10 billion annually, these expenditures alone are unlikely to assure progress toward environmental remediation. {open_quotes}Trust{close_quotes} is now overwhelmingly mentioned as a prerequisite for progress with site cleanup in DOE`s weapons complex. In part, federal budget deficits are forcing participants to focus on factors that build consensus and lead to cost-effective cleanup actions. In some cases, the stakeholders at cleanup sites are making efforts to work cooperatively with federal agencies. A report by 40 representatives of federal agencies, tribal and state governments, associations, and others developed recommendations to create a {open_quotes}new era of trust and consensus-building that allows all parties to get on with the job of cleaning up federal facilities in a manner that reflects the priorities and concerns of all stakeholders.{close_quotes} Changes are underway affecting how federal agencies work with federal and state regulators reflecting this concept of shared responsibility for conducting cleanup. This paper addresses these changes and provides examples of the successes and failures underway.

  13. Gas characterization system 241-AN-105 field acceptance test procedure

    SciTech Connect (OSTI)

    Schneider, T.C.

    1996-03-01

    This document details the field Acceptance Testing of a gas characterization system being installed on waste tank 241-AN-105. The gas characterization systems will be used to monitor the vapor spaces of waste tanks known to contain measurable concentrations of flammable gases.

  14. Gas characterization system 241-AW-101 field acceptance test procedure

    SciTech Connect (OSTI)

    Schneider, T.C.

    1996-03-01

    This document details the field Acceptance Testing of a gas characterization system being installed on waste tank 241-AW-101. The gas characterization systems will be used to monitor the vapor spaces of waste tanks known to contain measurable concentrations of flammable gases.

  15. A gas-loading system for LANL two-stage gas guns

    SciTech Connect (OSTI)

    Gibson, Lloyd Lee; Bartram, Brian Douglas; Dattelbaum, Dana Mcgraw; Lang, John Michael; Morris, John Scott

    2015-09-01

    A novel gas loading system was designed for the specific application of remotely loading high purity gases into targets for gas-gun driven plate impact experiments. The high purity gases are loaded into well-defined target configurations to obtain Hugoniot states in the gas phase at greater than ambient pressures.The small volume of the gas samples is challenging, as slight changing in the ambient temperature result in measurable pressure changes. Therefore, the ability to load a gas gun target and continually monitor the sample pressure prior to firing provides the most stable and reliable target fielding approach. We present the design and evaluation of a gas loading system built for the LANL 50 mm bore two-stage light gas gun. Targets for the gun are made of 6061 Al or OFHC Cu, and assembled to form a gas containment cell with a volume of approximately 1.38 cc. The compatibility of materials was a major consideration in the design of the system, particularly for its use with corrosive gases. Piping and valves are stainless steel with wetted seals made from Kalrez® and Teflon®. Preliminary testing was completed to ensure proper flow rate and that the proper safety controls were in place. The system has been used to successfully load Ar, Kr, Xe, and anhydrous ammonia with purities of up to 99.999 percent. The design of the system and example data from the plate impact experiments will be shown.

  16. 2015 DOE National Cleanup Workshop | Department of Energy

    Energy Savers [EERE]

    DOE National Cleanup Workshop 2015 DOE National Cleanup Workshop Assistant Secretary Regalbuto Lays out Vision, Priorities to Advance Cleanup for EM Program Assistant Secretary Regalbuto Lays out Vision, Priorities to Advance Cleanup for EM Program DOE Assistant Secretary for Environmental Management Monica Regalbuto speaks to more than 350 people at the National Cleanup Workshop just outside Washington, D.C. Read more Panelists Update Workshop Participants on Waste Isolation Pilot Plant

  17. Systems for delivering liquified gas to an engine

    DOE Patents [OSTI]

    Bingham, Dennis N.; Wilding, Bruce M.; O'Brien, James E.; Siahpush, Ali S.; Brown, Kevin B.

    2006-05-16

    A liquified gas delivery system for a motorized platform includes a holding tank configured to receive liquified gas. A first conduit extends from a vapor holding portion of the tank to a valve device. A second conduit extends from a liquid holding portion of the tank to the valve device. Fluid coupled to the valve device is a vaporizer which is in communication with an engine. The valve device selectively withdraws either liquified gas or liquified gas vapor from the tank depending on the pressure within the vapor holding portion of the tank. Various configurations of the delivery system can be utilized for pressurizing the tank during operation.

  18. Systems and method for delivering liquified gas to an engine

    DOE Patents [OSTI]

    Bingham, Dennis N.; Wilding, Bruce M.; O'Brien, James E.; Siahpush, Ali S.; Brown, Kevin B.

    2002-01-01

    A liquified gas delivery system for a motorized platform includes a holding tank configured to receive liquified gas. A first conduit extends from a vapor holding portion of the tank to a valve device. A second conduit extends from a liquid holding portion of the tank to the valve device. Fluid coupled to the valve device is a vaporizer which is in communication with an engine. The valve device selectively withdraws either liquified gas or liquified gas vapor from the tank depending on the pressure within the vapor holding portion of the tank. Various configurations of the delivery system can be utilized for pressurizing the tank during operation.

  19. Spark gap switch system with condensable dielectric gas

    DOE Patents [OSTI]

    Thayer, III, William J.

    1991-01-01

    A spark gap switch system is disclosed which is capable of operating at a high pulse rate comprising an insulated switch housing having a purging gas entrance port and a gas exit port, a pair of spaced apart electrodes each having one end thereof within the housing and defining a spark gap therebetween, an easily condensable and preferably low molecular weight insulating gas flowing through the switch housing from the housing, a heat exchanger/condenser for condensing the insulating gas after it exits from the housing, a pump for recirculating the condensed insulating gas as a liquid back to the housing, and a heater exchanger/evaporator to vaporize at least a portion of the condensed insulating gas back into a vapor prior to flowing the insulating gas back into the housing.

  20. Overview of SoCalGas/SDG&E System Design & Operations

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

    Design & Operations SoCalGasSDG&E Gas Transmission System with Electric Generation Plants 2 SoCalGasSDG&E Gas Transmission System 24,100 square mile service territory ...

  1. Natural Gas Pipeline and System Expansions

    Reports and Publications (EIA)

    1997-01-01

    This special report examines recent expansions to the North American natural gas pipeline network and the nature and type of proposed pipeline projects announced or approved for construction during the next several years in the United States. It includes those projects in Canada and Mexico that tie in with U.S. markets or projects.

  2. Method for nonlinear optimization for gas tagging and other systems

    DOE Patents [OSTI]

    Chen, T.; Gross, K.C.; Wegerich, S.

    1998-01-06

    A method and system are disclosed for providing nuclear fuel rods with a configuration of isotopic gas tags. The method includes selecting a true location of a first gas tag node, selecting initial locations for the remaining n-1 nodes using target gas tag compositions, generating a set of random gene pools with L nodes, applying a Hopfield network for computing on energy, or cost, for each of the L gene pools and using selected constraints to establish minimum energy states to identify optimal gas tag nodes with each energy compared to a convergence threshold and then upon identifying the gas tag node continuing this procedure until establishing the next gas tag node until all remaining n nodes have been established. 6 figs.

  3. Method for nonlinear optimization for gas tagging and other systems

    DOE Patents [OSTI]

    Chen, Ting; Gross, Kenny C.; Wegerich, Stephan

    1998-01-01

    A method and system for providing nuclear fuel rods with a configuration of isotopic gas tags. The method includes selecting a true location of a first gas tag node, selecting initial locations for the remaining n-1 nodes using target gas tag compositions, generating a set of random gene pools with L nodes, applying a Hopfield network for computing on energy, or cost, for each of the L gene pools and using selected constraints to establish minimum energy states to identify optimal gas tag nodes with each energy compared to a convergence threshold and then upon identifying the gas tag node continuing this procedure until establishing the next gas tag node until all remaining n nodes have been established.

  4. Thermochemically recuperated and steam cooled gas turbine system

    DOE Patents [OSTI]

    Viscovich, Paul W.; Bannister, Ronald L.

    1995-01-01

    A gas turbine system in which the expanded gas from the turbine section is used to generate the steam in a heat recovery steam generator and to heat a mixture of gaseous hydrocarbon fuel and the steam in a reformer. The reformer converts the hydrocarbon gas to hydrogen and carbon monoxide for combustion in a combustor. A portion of the steam from the heat recovery steam generator is used to cool components, such as the stationary vanes, in the turbine section, thereby superheating the steam. The superheated steam is mixed into the hydrocarbon gas upstream of the reformer, thereby eliminating the need to raise the temperature of the expanded gas discharged from the turbine section in order to achieve effective conversion of the hydrocarbon gas.

  5. Thermochemically recuperated and steam cooled gas turbine system

    DOE Patents [OSTI]

    Viscovich, P.W.; Bannister, R.L.

    1995-07-11

    A gas turbine system is described in which the expanded gas from the turbine section is used to generate the steam in a heat recovery steam generator and to heat a mixture of gaseous hydrocarbon fuel and the steam in a reformer. The reformer converts the hydrocarbon gas to hydrogen and carbon monoxide for combustion in a combustor. A portion of the steam from the heat recovery steam generator is used to cool components, such as the stationary vanes, in the turbine section, thereby superheating the steam. The superheated steam is mixed into the hydrocarbon gas upstream of the reformer, thereby eliminating the need to raise the temperature of the expanded gas discharged from the turbine section in order to achieve effective conversion of the hydrocarbon gas. 4 figs.

  6. Detection system for a gas chromatograph

    DOE Patents [OSTI]

    Hayes, John M.; Small, Gerald J.

    1984-01-01

    A method and apparatus are described for the quantitative analysis of vaporizable compounds, and in particular of polycyclic aromatic hydrocarbons which may be induced to fluoresce. The sample to be analyzed is injected into a gas chromatography column and is eluted through a narrow orifice into a vacuum chamber. The free expansion of the eluted sample into the vacuum chamber creates a supersonic molecular beam in which the sample molecules are cooled to the extent that the excited vibrational and rotational levels are substantially depopulated. The cooled molecules, when induced to fluoresce by laser excitation, give greatly simplified spectra suitable for analytical purposes. The laser induced fluorimetry provides great selectivity, and the gas chromatograph provides quantitative transfer of the sample to the molecular beam.

  7. Tips: Natural Gas and Oil Heating Systems | Department of Energy

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

    more about energy-efficient furnaces and boilers. Addthis Related Articles Tips: Natural Gas and Oil Heating Systems Energy Saver Guide: Tips on Saving Money and Energy at Home...

  8. World Energy Projection System Plus Model Documentation: Natural Gas Model

    Reports and Publications (EIA)

    2011-01-01

    This report documents the objectives, analytical approach and development of the World Energy Projection System Plus (WEPS ) Natural Gas Model. It also catalogues and describes critical assumptions, computational methodology, parameter estimation techniques, and model source code.

  9. Gas characterization system operation, maintenance, and calibration plan

    SciTech Connect (OSTI)

    Tate, D.D.

    1996-03-04

    This document details the responsibilities and requirements for operation, maintenance, and calibration of the Gas Characterization Systems (GCS) analytical instrumentation. It further, defines the division of responsibility between the Characterization Monitoring Development organization and Tank Farms Operations.

  10. Virtual Pipeline System Testbed to Optimize the U.S. Natural Gas Transmission Pipeline System

    SciTech Connect (OSTI)

    Kirby S. Chapman; Prakash Krishniswami; Virg Wallentine; Mohammed Abbaspour; Revathi Ranganathan; Ravi Addanki; Jeet Sengupta; Liubo Chen

    2005-06-01

    The goal of this project is to develop a Virtual Pipeline System Testbed (VPST) for natural gas transmission. This study uses a fully implicit finite difference method to analyze transient, nonisothermal compressible gas flow through a gas pipeline system. The inertia term of the momentum equation is included in the analysis. The testbed simulate compressor stations, the pipe that connects these compressor stations, the supply sources, and the end-user demand markets. The compressor station is described by identifying the make, model, and number of engines, gas turbines, and compressors. System operators and engineers can analyze the impact of system changes on the dynamic deliverability of gas and on the environment.

  11. The Application of NEPA to CERCLA Cleanups

    Broader source: Energy.gov [DOE]

    On March 31, 1994, officials from the Departrnent of Energy (DOE), the Environmental Protection Agency (EPA), and the Council on Environmental Quality (CEQ) met with then Acting Assistant Attorney General Lois Schiffer and other representatives of the Department of Justice (DOJ) to discuss the issue of the relationship of the National Environmental Policy Act (NEPA) to the cleanup of federal facilities under the CERCLA Superfund program. The meeting focused on proposals for addressing problems that have arisen from DOE's attempts to integrate the procedural and analytical approaches of NEPA into the CERCLA cleanup process. This document describes what was discussed at the meeting and the consensus reached there.

  12. Offshore LNG (liquefied natural gas) production and storage systems

    SciTech Connect (OSTI)

    Barden, J.K.

    1982-01-01

    A barge, outfitted with gas liquefaction processing equipment and liquefied natural gas (LNG) storage tanks, is suggested as a possible way to exploit remote offshore gas production. A similar study with a barge-mounted methanol plant was conducted several years ago, also using remote offshore feed gas. This barge-mounted, LNG system is bow-moored to a single point mooring through which feed gas is piped via seafloor pipeline from a nearby gas production facility. The barge is arranged with personnel accommodation forward, LNG storage midships, and gas liquefaction processing equipment aft. A flare boom is cantilevered off the barge's stern. The basis of design stipulates feed gas properties, area environmental data, gas liquefaction process, LNG storage tank type plus other parameters desirable in a floating process plant. The latter were concerned with safety, low maintenance characteristics, and the fact that the process barge also would serve as an offshore port where LNG export tankers would moor periodically. A brief summary of results for a barge-mounted methanol plant from an earlier study is followed then by a comparison of LNG and methanol alternatives.

  13. Development of an Integrated Multi-Contaminant Removal Process Applied to Warm Syngas Cleanup for Coal-Based Advanced Gasification Systems

    SciTech Connect (OSTI)

    Howard Meyer

    2010-11-30

    This project met the objective to further the development of an integrated multi-contaminant removal process in which H2S, NH3, HCl and heavy metals including Hg, As, Se and Cd present in the coal-derived syngas can be removed to specified levels in a single/integrated process step. The process supports the mission and goals of the Department of Energy’s Gasification Technologies Program, namely to enhance the performance of gasification systems, thus enabling U.S. industry to improve the competitiveness of gasification-based processes. The gasification program will reduce equipment costs, improve process environmental performance, and increase process reliability and flexibility. Two sulfur conversion concepts were tested in the laboratory under this project, i.e., the solventbased, high-pressure University of California Sulfur Recovery Process – High Pressure (UCSRP-HP) and the catalytic-based, direct oxidation (DO) section of the CrystaSulf-DO process. Each process required a polishing unit to meet the ultra-clean sulfur content goals of <50 ppbv (parts per billion by volume) as may be necessary for fuel cells or chemical production applications. UCSRP-HP was also tested for the removal of trace, non-sulfur contaminants, including ammonia, hydrogen chloride, and heavy metals. A bench-scale unit was commissioned and limited testing was performed with simulated syngas. Aspen-Plus®-based computer simulation models were prepared and the economics of the UCSRP-HP and CrystaSulf-DO processes were evaluated for a nominal 500 MWe, coal-based, IGCC power plant with carbon capture. This report covers the progress on the UCSRP-HP technology development and the CrystaSulf-DO technology.

  14. EM's Cleanup Mission: 16 Sites in 11 States Remaining

    Broader source: Energy.gov [DOE]

    At the end of fiscal year 2013, EM completed cleanup and closed 90 sites in 28 states. This included cleanup and closure of 85 smaller sites and five major nuclear sites: Rocky Flats, Fernald, Mound, Pinellas, and Weldon Spring.

  15. DOE Completes Cleanup at New York, California Sites | Department...

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

    DOE Completes Cleanup at New York, California Sites DOE Completes Cleanup at New York, California Sites July 1, 2011 - 12:00am Addthis WASHINGTON, D.C. - Last month, the U.S....

  16. Site Transition Process upon Completion of the Cleanup Mission...

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

    DOE's internal site transition process for Cleanup to long-term stewardship, post-cleanup, ... a Landlord Program Secretarial Office or to Legacy Management for long-term stewardship. ...

  17. EM Presents Video Highlights of Cleanup Across DOE Complex in...

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

    Presents Video Highlights of Cleanup Across DOE Complex in YouTube Playlist EM Presents Video Highlights of Cleanup Across DOE Complex in YouTube Playlist April 20, 2016 - 12:00pm ...

  18. DOE Extends Idaho Cleanup Project Contract

    Broader source: Energy.gov [DOE]

    Idaho Falls, ID- The U.S. Department of Energy’s Office of Environmental Management (EM) today announced it is extending its contract for the Idaho Cleanup Project at the Idaho Site for a period of 6 months. The contract period for the current contractor, CH2M-WG Idaho, LLC, had been scheduled to expire on September 30, 2015.

  19. Chromium Groundwater Cleanup in Mortandad Canyon

    Broader source: Energy.gov [DOE]

    At the September 24, 2014 Board meeting Cheryl Rodriguez DOE and Danny Katzman LANL, Provided Information on the Status of the Characterization of the Chromium Groundwater Plume in Mortandad Canyon. Possible Clean-up Strategies were also covered in the Information Provided.

  20. DOE Completes TRU Waste Cleanup at Bettis

    Broader source: Energy.gov [DOE]

    CARLSBAD, N.M.– The U.S. Department of Energy (DOE) has successfully completed cleanup of all Cold War legacy transuranic (TRU) waste at the Bettis Atomic Power Laboratory (BAPL) near Pittsburgh, Pa., permanently disposing of it at the Waste Isolation Pilot Plant (WIPP).

  1. Hanford Progresses in Burial Ground Cleanup

    Broader source: Energy.gov [DOE]

    RICHLAND, Wash. – EM’s Richland Operations Office (RL) and cleanup contractor Washington Closure Hanford (WCH) are making tremendous progress cleaning up Hanford’s 618-10 Burial Ground, one of the most hazardous burial grounds in the EM complex.

  2. PRESSURIZED SOLID OXIDE FUEL CELL/GAS TURBINE POWER SYSTEM

    SciTech Connect (OSTI)

    W.L. Lundberg; G.A. Israelson; R.R. Moritz; S.E. Veyo; R.A. Holmes; P.R. Zafred; J.E. King; R.E. Kothmann

    2000-02-01

    Power systems based on the simplest direct integration of a pressurized solid oxide fuel cell (SOFC) generator and a gas turbine (GT) are capable of converting natural gas fuel energy to electric power with efficiencies of approximately 60% (net AC/LHV), and more complex SOFC and gas turbine arrangements can be devised for achieving even higher efficiencies. The results of a project are discussed that focused on the development of a conceptual design for a pressurized SOFC/GT power system that was intended to generate 20 MWe with at least 70% efficiency. The power system operates baseloaded in a distributed-generation application. To achieve high efficiency, the system integrates an intercooled, recuperated, reheated gas turbine with two SOFC generator stages--one operating at high pressure, and generating power, as well as providing all heat needed by the high-pressure turbine, while the second SOFC generator operates at a lower pressure, generates power, and provides all heat for the low-pressure reheat turbine. The system cycle is described, major system components are sized, the system installed-cost is estimated, and the physical arrangement of system components is discussed. Estimates of system power output, efficiency, and emissions at the design point are also presented, and the system cost of electricity estimate is developed.

  3. Moab Site Cleanup By the Numbers | Department of Energy

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

    Moab Site Cleanup By the Numbers Moab Site Cleanup By the Numbers Moab Site Cleanup By the Numbers In 2015, EM developed site infographics highlighting each sites history and important metrics including: Decontamination and demolition of facilities and waste sites Secure storage of spent fuel Retrieval of radioactive sludge and saltcake from tanks Treatment of contaminated groundwater Waste safely stored in an underground repository Available for Download PDF icon Moab Site Cleanup By the

  4. 2013 Congressional Nuclear Cleanup Caucus Briefings | Department of Energy

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

    3 Congressional Nuclear Cleanup Caucus Briefings 2013 Congressional Nuclear Cleanup Caucus Briefings The Congressional Nuclear Cleanup Caucus serves as a way to brief members of Congress and their staff on EM headquarters and site activities, including budget, safety and project progress. PDF icon 04/24/2013 - FY14 Budget Overview for Clean Up Caucus PDF icon 05/07/2013 - Office of River Protection PDF icon 05/16/2013 - Oak Ridge Congressional Nuclear Cleanup Caucus PDF icon 05/21/2013 -

  5. Independent Oversight Review, Idaho Cleanup Project- August 2014

    Broader source: Energy.gov [DOE]

    Review of the Idaho Cleanup Project Integrated Waste Treatment Unit Contractor Readiness Assessment at the Idaho Site.

  6. Idaho Site Cleanup By the Numbers | Department of Energy

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

    Idaho Site Cleanup By the Numbers Idaho Site Cleanup By the Numbers Idaho Site Cleanup By the Numbers In 2015, EM developed site infographics highlighting each sites history and important metrics including: Decontamination and demolition of facilities and waste sites Secure storage of spent fuel Retrieval of radioactive sludge and saltcake from tanks Treatment of contaminated groundwater Waste safely stored in an underground repository Available for Download PDF icon Idaho Site Cleanup By the

  7. Paducah Site Cleanup By the Numbers | Department of Energy

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

    Paducah Site Cleanup By the Numbers Paducah Site Cleanup By the Numbers Paducah Site Cleanup By the Numbers In 2015, EM developed site infographics highlighting each sites history and important metrics including: Decontamination and demolition of facilities and waste sites Secure storage of spent fuel Retrieval of radioactive sludge and saltcake from tanks Treatment of contaminated groundwater Waste safely stored in an underground repository Available for Download PDF icon Paducah Site Cleanup

  8. Hanford Site Cleanup By the Numbers | Department of Energy

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

    Hanford Site Cleanup By the Numbers Hanford Site Cleanup By the Numbers Hanford Site Cleanup By the Numbers In 2015, EM developed site infographics highlighting each sites history and important metrics including: Decontamination and demolition of facilities and waste sites Secure storage of spent fuel Retrieval of radioactive sludge and saltcake from tanks Treatment of contaminated groundwater Waste safely stored in an underground repository Available for Download PDF icon Hanford Site Cleanup

  9. Lawrence Berkeley National Laboratory Launches Cleanup and Demolition

    Office of Environmental Management (EM)

    Project | Department of Energy Berkeley National Laboratory Launches Cleanup and Demolition Project Lawrence Berkeley National Laboratory Launches Cleanup and Demolition Project June 30, 2015 - 12:00pm Addthis The Lawrence Berkeley National Laboratory Old Town area. The Lawrence Berkeley National Laboratory Old Town area. Site boundary fencing wraps around the Old Town work area for the cleanup project. Site boundary fencing wraps around the Old Town work area for the cleanup project. The

  10. EM Releases Supporting Materials From DOE's First National Cleanup

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

    Workshop | Department of Energy Releases Supporting Materials From DOE's First National Cleanup Workshop EM Releases Supporting Materials From DOE's First National Cleanup Workshop November 9, 2015 - 10:00am Addthis EM Releases Supporting Materials From DOE’s First National Cleanup Workshop WASHINGTON, D.C. - EM is making available support materials from the first-ever DOE National Cleanup Workshop. The materials include links to 15 videos that capture addresses by Energy Secretary

  11. ETTP Cleanup and Reindustrialization Finishing What We Started

    Broader source: Energy.gov [DOE]

    Presentation from the 2015 DOE National Cleanup Workshop by Ken Rueter, President, URS-CH2M Oak Ridge (UCOR).

  12. Voluntary Protection Program Onsite Review, Idaho Cleanup Project- October 2010

    Broader source: Energy.gov [DOE]

    Evaluation to determine whether Idaho Cleanup Project is continuing to perform at a level deserving DOE-VPP Star recognition.

  13. Enterprise Assessments Review, Idaho Cleanup Project- September 2014

    Broader source: Energy.gov [DOE]

    Review of the Idaho Cleanup Project Integrated Waste Treatment Unit Federal Readiness Assessment at the Idaho Site

  14. PPPO Cleanup Projects - Portsmouth, Paducah, & DUF6 | Department...

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

    ... PPPO Program Management Health, Safety, & Quality Assurance Safeguards & Security Compliance & Risk Assessment Budget & Funding Contracts & Procurement Future Use PPPO Cleanup ...

  15. On-Board Hydrogen Gas Production System For Stirling Engines

    DOE Patents [OSTI]

    Johansson, Lennart N. (Ann Arbor, MI)

    2004-06-29

    A hydrogen production system for use in connection with Stirling engines. The production system generates hydrogen working gas and periodically supplies it to the Stirling engine as its working fluid in instances where loss of such working fluid occurs through usage through operation of the associated Stirling engine. The hydrogen gas may be generated by various techniques including electrolysis and stored by various means including the use of a metal hydride absorbing material. By controlling the temperature of the absorbing material, the stored hydrogen gas may be provided to the Stirling engine as needed. A hydrogen production system for use in connection with Stirling engines. The production system generates hydrogen working gas and periodically supplies it to the Stirling engine as its working fluid in instances where loss of such working fluid occurs through usage through operation of the associated Stirling engine. The hydrogen gas may be generated by various techniques including electrolysis and stored by various means including the use of a metal hydride absorbing material. By controlling the temperature of the absorbing material, the stored hydrogen gas may be provided to the Stirling engine as needed.

  16. BASIN-CENTERED GAS SYSTEMS OF THE U.S.

    SciTech Connect (OSTI)

    Marin A. Popov; Vito F. Nuccio; Thaddeus S. Dyman; Timothy A. Gognat; Ronald C. Johnson; James W. Schmoker; Michael S. Wilson; Charles Bartberger

    2000-11-01

    The USGS is re-evaluating the resource potential of basin-centered gas accumulations in the U.S. because of changing perceptions of the geology of these accumulations, and the availability of new data since the USGS 1995 National Assessment of United States oil and gas resources (Gautier et al., 1996). To attain these objectives, this project used knowledge of basin-centered gas systems and procedures such as stratigraphic analysis, organic geochemistry, modeling of basin thermal dynamics, reservoir characterization, and pressure analysis. This project proceeded in two phases which had the following objectives: Phase I (4/1998 through 5/1999): Identify and describe the geologic and geographic distribution of potential basin-centered gas systems, and Phase II (6/1999 through 11/2000): For selected systems, estimate the location of those basin-centered gas resources that are likely to be produced over the next 30 years. In Phase I, we characterize thirty-three (33) potential basin-centered gas systems (or accumulations) based on information published in the literature or acquired from internal computerized well and reservoir data files. These newly defined potential accumulations vary from low to high risk and may or may not survive the rigorous geologic scrutiny leading towards full assessment by the USGS. For logistical reasons, not all basins received the level of detail desired or required.

  17. Plug-to-plug gas transfer system

    DOE Patents [OSTI]

    Poindexter, Allan M. (Pleasant Hills, PA)

    1978-01-01

    A system for conducting a fluid from one component to another component of a nuclear reactor wherein at least one such component is a rotatable closure head plug capable of movement relative to the other component. The conducting system utilizes the annulus located between the components as a connecting passageway for the fluid.

  18. The Office of Environmental Management Non-Defense Environmental Cleanup |

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

    Department of Energy Non-Defense Environmental Cleanup The Office of Environmental Management Non-Defense Environmental Cleanup PDF icon Microsoft Word - 8E2A4440.doc More Documents & Publications Microsoft Word - PSRP Updates 6-25-10_v2 The Office of Environmental Management (EM) Defense Environmental Cleanup The Office of Environmental Management Uranium Enrichment D&D

  19. Exhaust gas purification system for lean burn engine

    DOE Patents [OSTI]

    Haines, Leland Milburn

    2002-02-19

    An exhaust gas purification system for a lean burn engine includes a thermal mass unit and a NO.sub.x conversion catalyst unit downstream of the thermal mass unit. The NO.sub.x conversion catalyst unit includes at least one catalyst section. Each catalyst section includes a catalytic layer for converting NO.sub.x coupled to a heat exchanger. The heat exchanger portion of the catalyst section acts to maintain the catalytic layer substantially at a desired temperature and cools the exhaust gas flowing from the catalytic layer into the next catalytic section in the series. In a further aspect of the invention, the exhaust gas purification system includes a dual length exhaust pipe upstream of the NO.sub.x conversion catalyst unit. The dual length exhaust pipe includes a second heat exchanger which functions to maintain the temperature of the exhaust gas flowing into the thermal mass downstream near a desired average temperature.

  20. Recent progress on gas tungsten arc welding of vanadium alloys

    SciTech Connect (OSTI)

    Grossbeck, M.L.; King, J.F.; Alexander, D.J.

    1997-08-01

    Emphasis has been placed on welding 6.4 mm plate, primarily by gas tungsten arc (GTA) welding. The weld properties were tested using blunt notch Charpy testing to determine the ductile to brittle transition temperature (DBTT). Erratic results were attributed to hydrogen and oxygen contamination of the welds. An improved gas clean-up system was installed on the welding glove box and the resulting high purity welds had Charpy impact properties similar to those of electron beam welds with similar grain size. A post-weld heat treatment (PWHT) of 950{degrees}C for two hours did not improve the properties of the weld in cases where low concentrations of impurities were attained. Further improvements in the gas clean-up system are needed to control hydrogen contamination.

  1. Method of gas purification and system therefor

    DOE Patents [OSTI]

    Szwarc, R.

    1983-12-29

    A method and device are disclosed for conducting gettering. The gettering is conducted with one of an LiB, LiSi or LiAl system. Preferably the LiB system is of the formula Li/sub x/B/sub 1-x/ wherein 0 < x < 1 with gettering conducted at room or slightly elevated temperature of about 100 to 200/sup 0/C.

  2. Slag processing system for direct coal-fired gas turbines

    DOE Patents [OSTI]

    Pillsbury, Paul W.

    1990-01-01

    Direct coal-fired gas turbine systems and methods for their operation are provided by this invention. The systems include a primary combustion compartment coupled to an impact separator for removing molten slag from hot combustion gases. Quenching means are provided for solidifying the molten slag removed by the impact separator, and processing means are provided forming a slurry from the solidified slag for facilitating removal of the solidified slag from the system. The released hot combustion gases, substantially free of molten slag, are then ducted to a lean combustion compartment and then to an expander section of a gas turbine.

  3. Steam cooling system for a gas turbine

    DOE Patents [OSTI]

    Wilson, Ian David; Barb, Kevin Joseph; Li, Ming Cheng; Hyde, Susan Marie; Mashey, Thomas Charles; Wesorick, Ronald Richard; Glynn, Christopher Charles; Hemsworth, Martin C.

    2002-01-01

    The steam cooling circuit for a gas turbine includes a bore tube assembly supplying steam to circumferentially spaced radial tubes coupled to supply elbows for transitioning the radial steam flow in an axial direction along steam supply tubes adjacent the rim of the rotor. The supply tubes supply steam to circumferentially spaced manifold segments located on the aft side of the 1-2 spacer for supplying steam to the buckets of the first and second stages. Spent return steam from these buckets flows to a plurality of circumferentially spaced return manifold segments disposed on the forward face of the 1-2 spacer. Crossover tubes couple the steam supply from the steam supply manifold segments through the 1-2 spacer to the buckets of the first stage. Crossover tubes through the 1-2 spacer also return steam from the buckets of the second stage to the return manifold segments. Axially extending return tubes convey spent cooling steam from the return manifold segments to radial tubes via return elbows.

  4. Compressive stress system for a gas turbine engine

    DOE Patents [OSTI]

    Hogberg, Nicholas Alvin

    2015-03-24

    The present application provides a compressive stress system for a gas turbine engine. The compressive stress system may include a first bucket attached to a rotor, a second bucket attached to the rotor, the first and the second buckets defining a shank pocket therebetween, and a compressive stress spring positioned within the shank pocket.

  5. Flexible fuel cell gas manifold system

    DOE Patents [OSTI]

    Cramer, Michael; Shah, Jagdish; Hayes, Richard P.; Kelley, Dana A.

    2005-05-03

    A fuel cell stack manifold system in which a flexible manifold body includes a pan having a central area, sidewall extending outward from the periphery of the central area, and at least one compound fold comprising a central area fold connecting adjacent portions of the central area and extending between opposite sides of the central area, and a sidewall fold connecting adjacent portions of the sidewall. The manifold system further includes a rail assembly for attachment to the manifold body and adapted to receive pins by which dielectric insulators are joined to the manifold assembly.

  6. Gas Centrifuge Enrichment Plant Safeguards System Modeling

    SciTech Connect (OSTI)

    Elayat, H A; O'Connell, W J; Boyer, B D

    2006-06-05

    The U.S. Department of Energy (DOE) is interested in developing tools and methods for potential U.S. use in designing and evaluating safeguards systems used in enrichment facilities. This research focuses on analyzing the effectiveness of the safeguards in protecting against the range of safeguards concerns for enrichment plants, including diversion of attractive material and unauthorized modes of use. We developed an Extend simulation model for a generic medium-sized centrifuge enrichment plant. We modeled the material flow in normal operation, plant operational upset modes, and selected diversion scenarios, for selected safeguards systems. Simulation modeling is used to analyze both authorized and unauthorized use of a plant and the flow of safeguards information. Simulation tracks the movement of materials and isotopes, identifies the signatures of unauthorized use, tracks the flow and compilation of safeguards data, and evaluates the effectiveness of the safeguards system in detecting misuse signatures. The simulation model developed could be of use to the International Atomic Energy Agency IAEA, enabling the IAEA to observe and draw conclusions that uranium enrichment facilities are being used only within authorized limits for peaceful uses of nuclear energy. It will evaluate improved approaches to nonproliferation concerns, facilitating deployment of enhanced and cost-effective safeguards systems for an important part of the nuclear power fuel cycle.

  7. Pulsed laser linescanner for a backscatter absorption gas imaging system

    DOE Patents [OSTI]

    Kulp, Thomas J.; Reichardt, Thomas A.; Schmitt, Randal L.; Bambha, Ray P.

    2004-02-10

    An active (laser-illuminated) imaging system is described that is suitable for use in backscatter absorption gas imaging (BAGI). A BAGI imager operates by imaging a scene as it is illuminated with radiation that is absorbed by the gas to be detected. Gases become "visible" in the image when they attenuate the illumination creating a shadow in the image. This disclosure describes a BAGI imager that operates in a linescanned manner using a high repetition rate pulsed laser as its illumination source. The format of this system allows differential imaging, in which the scene is illuminated with light at least 2 wavelengths--one or more absorbed by the gas and one or more not absorbed. The system is designed to accomplish imaging in a manner that is insensitive to motion of the camera, so that it can be held in the hand of an operator or operated from a moving vehicle.

  8. Airfoil seal system for gas turbine engine

    DOE Patents [OSTI]

    Diakunchak, Ihor S.

    2013-06-25

    A turbine airfoil seal system of a turbine engine having a seal base with a plurality of seal strips extending therefrom for sealing gaps between rotational airfoils and adjacent stationary components. The seal strips may overlap each other and may be generally aligned with each other. The seal strips may flex during operation to further reduce the gap between the rotational airfoils and adjacent stationary components.

  9. Solid fuel combustion system for gas turbine engine

    DOE Patents [OSTI]

    Wilkes, Colin; Mongia, Hukam C.

    1993-01-01

    A solid fuel, pressurized fluidized bed combustion system for a gas turbine engine includes a carbonizer outside of the engine for gasifying coal to a low Btu fuel gas in a first fraction of compressor discharge, a pressurized fluidized bed outside of the engine for combusting the char residue from the carbonizer in a second fraction of compressor discharge to produce low temperature vitiated air, and a fuel-rich, fuel-lean staged topping combustor inside the engine in a compressed air plenum thereof. Diversion of less than 100% of compressor discharge outside the engine minimizes the expense of fabricating and maintaining conduits for transferring high pressure and high temperature gas and incorporation of the topping combustor in the compressed air plenum of the engine minimizes the expense of modifying otherwise conventional gas turbine engines for solid fuel, pressurized fluidized bed combustion.

  10. Feed gas contaminant control in ion transport membrane systems

    DOE Patents [OSTI]

    Carolan, Michael Francis; Minford, Eric; Waldron, William Emil

    2009-07-07

    Ion transport membrane oxidation system comprising an enclosure having an interior and an interior surface, inlet piping having an internal surface and adapted to introduce a heated feed gas into the interior of the enclosure, and outlet piping adapted to withdraw a product gas from the interior of the enclosure; one or more planar ion transport membrane modules disposed in the interior of the enclosure, each membrane module comprising mixed metal oxide material; and a preheater adapted to heat a feed gas to provide the heated feed gas to the inlet piping, wherein the preheater comprises an interior surface. Any of the interior surfaces of the enclosure, the inlet piping, and the preheater may be lined with a copper-containing metal lining. Alternatively, any of the interior surfaces of the inlet piping and the preheater may be lined with a copper-containing metal lining and the enclosure may comprise copper.

  11. Cooling system for a gas turbine

    DOE Patents [OSTI]

    Wilson, Ian David; Salamah, Samir Armando; Bylina, Noel Jacob

    2003-01-01

    A plurality of arcuate circumferentially spaced supply and return manifold segments are arranged on the rim of a rotor for respectively receiving and distributing cooling steam through exit ports for distribution to first and second-stage buckets and receiving spent cooling steam from the first and second-stage buckets through inlet ports for transmission to axially extending return passages. Each of the supply and return manifold segments has a retention system for precluding substantial axial, radial and circumferential displacement relative to the rotor. The segments also include guide vanes for minimizing pressure losses in the supply and return of the cooling steam. The segments lie substantially equal distances from the centerline of the rotor and crossover tubes extend through each of the segments for communicating steam between the axially adjacent buckets of the first and second stages, respectively.

  12. Cleanup Progress Report - 2010 | Department of Energy

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

    0 Cleanup Progress Report - 2010 In this issue, learn about EM's accomplishments in 2010 across the Oak Ridge Reservation. There are many more stories contained within the issue, but here are some of the highlights from each site. East Tennessee Technology Park K-25 Building West Wing Demolished Contaminated Surface Water, Groundwater at ETTP Addressed Reindustrialization Program Continues Effort to Privatize ETTP Oak Ridge National Laboratory Demolition Completed at 3026 C&D Six Facilities

  13. Cleanup Progress Report - 2012 | Department of Energy

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

    2 Cleanup Progress Report - 2012 In this issue, learn about EM's accomplishments in 2012 across the Oak Ridge Reservation. There are many more stories contained within the issue, but here are some of the highlights from each site. East Tennessee Technology Park K-25 Building demolition continues DOE selects commemoration options for K-25 Closure activities continue for TSCA Incinerator Oak Ridge National Laboratory Contaminated Tank W-1A and soil removed Isotope Row material removed Several

  14. Cleanup Progress Report - 2013 | Department of Energy

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

    3 Cleanup Progress Report - 2013 Read about EM's accomplishments across the Oak Ridge Reservation in 2013. Some of the stories include: East Tennessee Technology Park Last standing section of K-25 Building being demolished K-27 Building being prepared for demolition Iconic ETTP Fire Water Tower demolished Efforts under way to commemorate the K-25 site Oak Ridge National Laboratory 3026 hot cells facility downgraded and maintained in surveillance and maintenance mode Upgrade of 4500 Area Gaseous

  15. Cleanup Progress Report - 2014 | Department of Energy

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

    4 Cleanup Progress Report - 2014 Read about EM's accomplishments across the Oak Ridge Reservation in 2014. Some of the stories include: East Tennessee Technology Park K-25 Building demolished K-31 demolition begins Progress continues on commemorating the K-25 Site Parcels transferred as ETTP Reindustrialization progresses Oak Ridge National Laboratory Waste handling plan approved for Molten Salt Reactor Experiment Facility Prep work continues for U-233 disposition Y-12 National Security Complex

  16. Cleanup Progress Report - 2015 | Department of Energy

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

    5 Cleanup Progress Report - 2015 Read about EM's accomplishments across the Oak Ridge Reservation in 2015. Some of the stories include: East Tennessee Technology Park K-31 Building demolition completed K-27 Building demolition will eliminate final ETTP gaseous diffusion facility K-1037 demo prep begins K-25 historic preservation efforts progress Reindustrialization Program continues land reuse efforts Oak Ridge National Laboratory Components removed from Oak Ridge Research Reactor Prep work

  17. Richland Operations Office Cleanup Strategy, Scope

    Energy Savers [EERE]

    Richland Operations Office Cleanup Strategy, Scope Matt McCormick Manager Richland Operations Office May 1, 2014 John Ciucci Chief Operating Officer CH2M HILL Plateau Remediation Company Scott Sax President and Project Manager Washington Closure Hanford Frank Armijo President and General Manager Mission Support Alliance www.energy.gov/EM 2 Richland Operations Office Hanford Site History Hanford * Hanford began in 1943 as part of the Manhattan Project * Production of plutonium increased during

  18. Commercial demonstration of the NOXSO SO{sub 2}/NO{sub x} removal flue gas cleanup system. Environmental information volume

    SciTech Connect (OSTI)

    1998-12-31

    The Clean Coal Technology (CCT) Demonstration Program is a $5 billion technology demonstration program that was legislated by Congress to be funded jointly by the federal government and industrial or other sector participants. The goal of the Program is to make available to the U.S. energy marketplace a number of advanced, more efficient, reliable, and environmentally responsive coal utilization and environmental control technologies. These technologies are intended to reduce or eliminate the economic and environmental impediments that limit the full consideration of coal as a future energy resource. Over the next decade, the Program will advance the technical, environmental and economic performance of these advanced technologies to the point where the private sector will be able to introduce them into the commercial marketplace. Each of these demonstrations is in a scale large enough to generate sufficient design, construction and operation data for the private sector to judge the technology`s commercial potential and to make informed confident decisions on its commercial readiness. The strategy being implemented to achieve the goal of the CCT Demonstration Program is to conduct a multi-phase effort consisting of at least five separate solicitations for projects, each with individual objectives that, when integrated, will make technology options available on a schedule consistent with the demands of the energy market and responsive to the relevant environmental considerations. This paper describes a commercial demonstration project to be fielded in support of this program.

  19. Slag processing system for direct coal-fired gas turbines

    DOE Patents [OSTI]

    Pillsbury, Paul W.

    1990-01-01

    Direct coal-fired gas turbine systems and methods for their operation are provided by this invention. The gas turbine system includes a primary zone for burning coal in the presence of compressed air to produce hot combustion gases and debris, such as molten slag. The turbine system further includes a secondary combustion zone for the lean combustion of the hot combustion gases. The operation of the system is improved by the addition of a cyclone separator for removing debris from the hot combustion gases. The cyclone separator is disposed between the primary and secondary combustion zones and is in pressurized communication with these zones. In a novel aspect of the invention, the cyclone separator includes an integrally disposed impact separator for at least separating a portion of the molten slag from the hot combustion gases.

  20. Forming liquid sprays in compressed-gas energy storage systems for effective heat exchange

    DOE Patents [OSTI]

    McBride, Troy O; Bell, Alexander; Bollinger, Benjamin R; Shang, Andrew; Chmiel, David; Richter, Horst; Magari, Patrick; Cameron, Benjamin

    2013-07-02

    In various embodiments, efficiency of energy storage and recovery systems compressing and expanding gas is improved via heat exchange between the gas and a heat-transfer fluid.

  1. Forming liquid sprays in compressed-gas energy storage systems for effective heat exchange

    DOE Patents [OSTI]

    McBride, Troy O.; Bell, Alexander; Bollinger, Benjamin R.

    2012-08-07

    In various embodiments, efficiency of energy storage and recovery systems compressing and expanding gas is improved via heat exchange between the gas and a heat-transfer fluid.

  2. Danish sour-gas pipeline has subsea safety system

    SciTech Connect (OSTI)

    Thygesen, J.E. )

    1990-06-04

    Dansk Olie og Gasproduktion A/S has gained valuable experience installing a subsea safety system on a 30-in., 215-km (134-mile) subsea sour-gas pipeline. The system is designed to reduce the risk of explosion or suffocation of personnel aboard a nearby platform. It consists of a subsea check valve and a fullbore ball valve. Experience from operation of the system has been gained in pigging through the check valve, scour around the installation, repairs, and function tests. This is the basis for recommendations for operators intending to install subsea safety systems of the same or similar type.

  3. Systems for delivering liquified natural gas to an engine

    DOE Patents [OSTI]

    Bingham, Dennis N.; Wilding, Bruce M.; O'Brien, James E.; Siahpush, Ali S.; Brown, Kevin B.

    2000-01-01

    A fuel delivery system includes a fuel tank configured to receive liquid natural gas. A first conduit extends from a vapor holding portion of the fuel tank to an economizer valve. A second conduit extends from a liquid holding portion of the fuel tank to the economizer valve. Fluid coupled to the economizer valve is a vaporizer which is heated by coolant from the engine and is positioned below the fuel tank. The economizer valve selectively withdraws either liquid natural gas or vaporized natural gas from the fuel tank depending on the pressure within the vapor holding portion of the fuel tank. A delivery conduit extends from the vaporizer to the engine. A return conduit having a check valve formed therein extends from the delivery conduit to the vapor holding portion of the fuel tank for pressurizing the fuel tank.

  4. Deliverability on the interstate natural gas pipeline system

    SciTech Connect (OSTI)

    1998-05-01

    Deliverability on the Interstate Natural Gas Pipeline System examines the capability of the national pipeline grid to transport natural gas to various US markets. The report quantifies the capacity levels and utilization rates of major interstate pipeline companies in 1996 and the changes since 1990, as well as changes in markets and end-use consumption patterns. It also discusses the effects of proposed capacity expansions on capacity levels. The report consists of five chapters, several appendices, and a glossary. Chapter 1 discusses some of the operational and regulatory features of the US interstate pipeline system and how they affect overall system design, system utilization, and capacity expansions. Chapter 2 looks at how the exploration, development, and production of natural gas within North America is linked to the national pipeline grid. Chapter 3 examines the capability of the interstate natural gas pipeline network to link production areas to market areas, on the basis of capacity and usage levels along 10 corridors. The chapter also examines capacity expansions that have occurred since 1990 along each corridor and the potential impact of proposed new capacity. Chapter 4 discusses the last step in the transportation chain, that is, deliverability to the ultimate end user. Flow patterns into and out of each market region are discussed, as well as the movement of natural gas between States in each region. Chapter 5 examines how shippers reserve interstate pipeline capacity in the current transportation marketplace and how pipeline companies are handling the secondary market for short-term unused capacity. Four appendices provide supporting data and additional detail on the methodology used to estimate capacity. 32 figs., 15 tabs.

  5. Integrated exhaust gas recirculation and charge cooling system

    SciTech Connect (OSTI)

    Wu, Ko-Jen

    2013-12-10

    An intake system for an internal combustion engine comprises an exhaust driven turbocharger configured to deliver compressed intake charge, comprising exhaust gas from the exhaust system and ambient air, through an intake charge conduit and to cylinders of the internal combustion engine. An intake charge cooler is in fluid communication with the intake charge conduit. A cooling system, independent of the cooling system for the internal combustion engine, is in fluid communication with the intake charge cooler through a cooling system conduit. A coolant pump delivers a low temperature cooling medium from the cooling system to and through the intake charge cooler for the transfer of heat from the compressed intake charge thereto. A low temperature cooler receives the heated cooling medium through the cooling system conduit for the transfer or heat therefrom.

  6. Manhattan Project Truck Unearthed in Recovery Act Cleanup | Department of

    Energy Savers [EERE]

    Energy Manhattan Project Truck Unearthed in Recovery Act Cleanup Manhattan Project Truck Unearthed in Recovery Act Cleanup A Los Alamos National Laboratory (LANL) excavation crew working on an American Recovery and Reinvestment Act cleanup project has uncovered the remnants of a 1940s military truck buried in a Manhattan Project landfill. The truck was unearthed inside a sealed building where digging is taking place at Material Disposal Area B (MDA-B), the Lab's first hazardous and

  7. IDAHO OPERATIONS OFFICE NAMES NEW IDAHO CLEANUP PROJECT MANAGER

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

    doe logo Media Contact: Brad Bugger (208) 526-0833 For Immediate Release: Wednesday, June 29, 2011 IDAHO OPERATIONS OFFICE NAMES NEW IDAHO CLEANUP PROJECT MANAGER Idaho Falls, ID � The Department of Energy Idaho Operations Office today announced that James Cooper has been named deputy manager of its highly-successful Idaho Cleanup Project, which oversees the environmental cleanup and waste management mission at DOE's Idaho site. Cooper has more than 30 years of experience in commercial and

  8. West Valley Demonstration Project Site Cleanup By the Numbers | Department

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

    of Energy West Valley Demonstration Project Site Cleanup By the Numbers West Valley Demonstration Project Site Cleanup By the Numbers West Valley Demonstration Project Site Cleanup By the Numbers In 2015, EM developed site infographics highlighting each sites history and important metrics including: Decontamination and demolition of facilities and waste sites Secure storage of spent fuel Retrieval of radioactive sludge and saltcake from tanks Treatment of contaminated groundwater Waste

  9. OFFICE OF ENVIRONMENTAL MANAGEMENT NAMES NEW IDAHO CLEANUP MANAGER

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

    Danielle Miller (208) 526-5709 For Immediate Release May 30, 2014 OFFICE OF ENVIRONMENTAL MANAGEMENT NAMES NEW IDAHO CLEANUP MANAGER Idaho Falls, ID - The U.S. Department of Energy Office of Environmental Management today announced that John (Jack) Zimmerman has been named Deputy Manager of its highly-successful Idaho Cleanup program, which oversees the environmental cleanup and waste management mission at DOE's Idaho site. Mr. Zimmerman has more than 25 years of experience in nuclear

  10. November 2015 Newsletter - Los Alamos Field Office Legacy Cleanup |

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

    Department of Energy November 2015 Newsletter - Los Alamos Field Office Legacy Cleanup November 2015 Newsletter - Los Alamos Field Office Legacy Cleanup November 30, 2015 - 12:00pm Addthis TA-21-286 being demolished TA-21-286 being demolished Safety Safety and health record for October is clean Safe storage plan for nitrate salts has been completed and implemented. Contracts/Acquisition Removing concrete at the airport landfill Los Alamos Legacy Cleanup Bridge Contract commenced October 1

  11. Oak Ridge Site Cleanup By the Numbers | Department of Energy

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

    Oak Ridge Site Cleanup By the Numbers Oak Ridge Site Cleanup By the Numbers Oak Ridge Site Cleanup By the Numbers In 2015, EM developed site infographics highlighting each sites history and important metrics including: Decontamination and demolition of facilities and waste sites Secure storage of spent fuel Retrieval of radioactive sludge and saltcake from tanks Treatment of contaminated groundwater Waste safely stored in an underground repository Available for Download PDF icon Oak Ridge Site

  12. Idaho Cleanup Project Clearance Limits for Personal Property | Department

    Energy Savers [EERE]

    of Energy Idaho Cleanup Project Clearance Limits for Personal Property Idaho Cleanup Project Clearance Limits for Personal Property Kevin Konzen*, CH2M-WG Idaho, LLC ; Craig Nesshoefer, Idaho Cleanup Project Abstract: CH2M-WG Idaho, LLC (CWI) had sought alternative surface clearance limits for personal property from those referenced in DOE Order 458.1, which were approved September 2013 by the Department of Energy. Because much of the property would remain within DOE control, implementation

  13. Voluntary Protection Program Onsite Review, Idaho Cleanup Project- June

    Energy Savers [EERE]

    2007 | Department of Energy Idaho Cleanup Project- June 2007 Voluntary Protection Program Onsite Review, Idaho Cleanup Project- June 2007 June 2007 Evaluation to determine whether the Idaho Cleanup Project is continuing to perform at a level deserving DOE-VPP Star recognition. This report summarizes the results of the HSS DOE-VPP Team's evaluation of Facilities Engineering Services KCP, LLC during the period of June 4-15, 2007, and provides the Chief Health, Safety and Security Officer with

  14. Lab receives an additional $19 million for environmental cleanup

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

    Lab receives an additional $19 million for environmental cleanup Community Connections: Your link to news and opportunities from Los Alamos National Laboratory Latest Issue:May 2016 all issues All Issues » submit Lab receives an additional $19 million for environmental cleanup Lab also selects local businesses for five-year contracts June 1, 2013 Governor Susana Martinez visited the Lab in May to urge additional funding for cleanup Governor Susana Martinez visited the Lab in May to urge

  15. Environmental Remediation program completes legacy mercury cleanup near

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

    Smith's Marketplace Stories » Legacy slope-side cleanup Environmental Remediation program completes legacy mercury cleanup near Smith's Marketplace Los Alamos National Laboratory performed a high-angle canyon-side cleanup on U.S. Department of Energy property just south of Smith's Marketplace. May 1, 2015 A telescoping crane hoists a spider excavator over Los Alamos Canyon before placing it on the canyon slope to excavate historically contaminated soil. In ongoing efforts to reduce the

  16. Portsmouth Site Cleanup By the Numbers | Department of Energy

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

    Portsmouth Site Cleanup By the Numbers Portsmouth Site Cleanup By the Numbers Portsmouth Site Cleanup By the Numbers In 2015, EM developed site infographics highlighting each sites history and important metrics including: Decontamination and demolition of facilities and waste sites Secure storage of spent fuel Retrieval of radioactive sludge and saltcake from tanks Treatment of contaminated groundwater Waste safely stored in an underground repository Available for Download PDF icon Portsmouth

  17. EM Update Newsletter Spotlights River Corridor Cleanup at Hanford Site |

    Office of Environmental Management (EM)

    Department of Energy EM Update Newsletter Spotlights River Corridor Cleanup at Hanford Site EM Update Newsletter Spotlights River Corridor Cleanup at Hanford Site December 17, 2015 - 12:40pm Addthis RICHLAND, Wash. - In this issue of the EM Update newsletter, EM marks the many accomplishments the Richland Operations Office and its contractors have achieved in cleanup along the Columbia River corridor at the Hanford Site. This year marked the 10th anniversary of the River Corridor Closure

  18. Idaho Site Advances Recovery Act Cleanup after Inventing Effective

    Office of Environmental Management (EM)

    Treatment | Department of Energy Advances Recovery Act Cleanup after Inventing Effective Treatment Idaho Site Advances Recovery Act Cleanup after Inventing Effective Treatment For the first time in history, workers at the Idaho site achieved success in the initial cleanup of potentially dangerous sodium in a decommissioned nuclear reactor using an innovative treatment process. The American Recovery and Reinvestment Act invested $70 million in the project, which employs 130 workers. DOE

  19. Thermal chemical recuperation method and system for use with gas turbine systems

    DOE Patents [OSTI]

    Yang, W.C.; Newby, R.A.; Bannister, R.L.

    1999-04-27

    A system and method are disclosed for efficiently generating power using a gas turbine, a steam generating system and a reformer. The gas turbine receives a reformed fuel stream and an air stream and produces shaft power and exhaust. Some of the thermal energy from the turbine exhaust is received by the reformer. The turbine exhaust is then directed to the steam generator system that recovers thermal energy from it and also produces a steam flow from a water stream. The steam flow and a fuel stream are directed to the reformer that reforms the fuel stream and produces the reformed fuel stream used in the gas turbine. 2 figs.

  20. Thermal chemical recuperation method and system for use with gas turbine systems

    DOE Patents [OSTI]

    Yang, Wen-Ching; Newby, Richard A.; Bannister, Ronald L.

    1999-01-01

    A system and method for efficiently generating power using a gas turbine, a steam generating system (20, 22, 78) and a reformer. The gas turbine receives a reformed fuel stream (74) and an air stream and produces shaft power and exhaust. Some of the thermal energy from the turbine exhaust is received by the reformer (18). The turbine exhaust is then directed to the steam generator system that recovers thermal energy from it and also produces a steam flow from a water stream. The steam flow and a fuel stream are directed to the reformer that reforms the fuel stream and produces the reformed fuel stream used in the gas turbine.

  1. Recommendation 220: Recommendation Regarding Maintaining Funding for Cleanup

    Broader source: Energy.gov [DOE]

    The Environmental Management Site-Specific Advisory Board recommends that funding for cleanup at DOE sites should be maintained as a top priority.

  2. Recovery Act funds advance cleanup efforts at Cold War site

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

    historic Technical Area 21. "These buildings served their purpose during a difficult time in American history," said LANL Recovery Act cleanup director Bruce Schappell. "It's...

  3. Assessment of Nuclear Safety Culture at the Idaho Cleanup Project...

    Office of Environmental Management (EM)

    Independent Oversight Assessment of Nuclear Safety Culture at the Idaho Cleanup Project ... Commission (NRC), several nuclear power generating utilities, and associated ...

  4. Abandoned Uranium Mine Technical Services and Cleanup Industry...

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

    Abandoned Uranium Mine Technical Services and Cleanup Industry Day In January 2015, the United States (U.S.) and the Anadarko Litigation Trust ("Litigation Trust") entered into a...

  5. Example Cleanup: Removal of Polychlorinated Biphenyls from Hillside...

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

    Example Cleanup Removal of Polychlorinated Biphenyls from Hillside 140 Removing the source is one of three defenses in depth, as illustrated at the PCB removal from Hillside 140. ...

  6. DNFSB Chairman Connery to Speak at DOE National Cleanup Workshop |

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

    Department of Energy DNFSB Chairman Connery to Speak at DOE National Cleanup Workshop DNFSB Chairman Connery to Speak at DOE National Cleanup Workshop September 15, 2015 - 12:00pm Addthis DNFSB Chairman Connery to Speak at DOE National Cleanup Workshop WASHINGTON, D.C. - Defense Nuclear Facilities Safety Board (DNFSB) Chairman Joyce Connery is set to speak at the first DOE National Cleanup Workshop, scheduled to be held Sept. 29-30 in the Washington, D.C. area. Connery joins a list of

  7. Moab Marks 6-Million-Ton Cleanup Milestone

    Broader source: Energy.gov [DOE]

    MOAB, Utah – 6,000,000 is a big number, and it marks a significant cleanup milestone in the Beehive State.

  8. Cleanup Contractor Achieves ‘Elite’ Nuclear Material Accountability Status

    Broader source: Energy.gov [DOE]

    PADUCAH, Ky. – EM’s cleanup contractor at the Paducah site has received national acclaim for timeliness of reporting and promptness in reconciling nuclear material inventories.

  9. DOE Issues Final RFP for Idaho Cleanup Project Core

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

    Environmental Management Consolidated Business Center 250 E. 5th Street, Suite 500, ... DOE Issues Final RFP for Idaho Cleanup Project Core Cincinnati - The U.S. Department of ...

  10. Secretary Chu, Governor Gregoire Issue Statement on Hanford Cleanup

    Broader source: Energy.gov [DOE]

    U.S. Energy Secretary Steven Chu and Governor Chris Gregoire issued a joint statement on the cleanup efforts underway at Hanford.

  11. Cleanup Contractor at Paducah Site Receives Performance Excellence Award

    Broader source: Energy.gov [DOE]

    PADUCAH, Ky. – The environmental cleanup contractor at EM’s Paducah site has been honored for demonstrating serious commitment to performance improvement principles.

  12. FY14 Guidelines for Brownfields Cleanup Grants | Open Energy...

    Open Energy Info (EERE)

    search OpenEI Reference LibraryAdd to library PermittingRegulatory Guidance - GuideHandbook: FY14 Guidelines for Brownfields Cleanup GrantsPermittingRegulatory...

  13. Draft Public Involvement Advice for Central Plateau Cleanup

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

    V0, 12914 Draft Public Involvement Advice for Central Plateau Cleanup Principles Issue managers: Pollet, Mattson, Vanni, Plahuta, Catrell Background The Tri-Party Agencies are...

  14. Probing Fukushima with cosmic rays should speed cleanup

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

    Probing Fukushima with cosmic rays should speed cleanup Alumni Link: Opportunities, News ... Latest Issue:September 2015 all issues All Issues submit Probing Fukushima with cosmic ...

  15. Probing Fukushima with cosmic rays should help speed cleanup...

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

    Probing Fukushima with cosmic rays Probing Fukushima with cosmic rays should help speed cleanup of damaged plant The initiative could reduce the time required to clean up the ...

  16. Engineering analysis of biomass gasifier product gas cleaning technology

    SciTech Connect (OSTI)

    Baker, E.G.; Brown, M.D.; Moore, R.H.; Mudge, L.K.; Elliott, D.C.

    1986-08-01

    For biomass gasification to make a significant contribution to the energy picture in the next decade, emphasis must be placed on the generation of clean, pollutant-free gas products. This reports attempts to quantify levels of particulated, tars, oils, and various other pollutants generated by biomass gasifiers of all types. End uses for biomass gases and appropriate gas cleaning technologies are examined. Complete systems analysis is used to predit the performance of various gasifier/gas cleanup/end use combinations. Further research needs are identified. 128 refs., 20 figs., 19 tabs.

  17. Aerosol Observing System Greenhouse Gas (AOS GHG) Handbook

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

    5 Aerosol Observing System Greenhouse Gas (AOS GHG) Monitor Handbook SC Biraud K Reichl March 2016 DISCLAIMER This report was prepared as an account of work sponsored by the U.S. Government. Neither the United States nor any agency thereof, nor any of their employees, makes any warranty, express or implied, or assumes any legal liability or responsibility for the accuracy, completeness, or usefulness of any information, apparatus, product, or process disclosed, or represents that its use would

  18. Dumping pump and treat: rapid cleanups using thermal technology

    SciTech Connect (OSTI)

    Newmark, R.L.; Aines, R.D.

    1997-03-11

    Underground spills of volatile hydrocarbons are often difficult to clean up, especially if the contaminants are present in or below the water table as a separate liquid-organic phase. Excavating and treating the contaminated soil may not be practical or even possible if the affected zone is relatively deep. Merely pumping groundwater has proven to be ineffective because huge amounts of water must be flushed through the contaminated area to clean it; even then the contaminants may not be completely removed. Due to the low solubility of most common contaminants, such pump and treat systems can be expected to take decades to centuries to actually clean a site. Today, many sites are required to pump and treat contaminated groundwater even though there is no expectation that the site will be cleaned. In these cases, the pumps simply control the spread of the contaminant, while requiring a continuous flow of money, paperwork, and management attention. Although pump and treat systems are relatively inexpensive to operate, they represent along term cost. Most importantly, they rarely remove enough contaminant to change the property`s status. Although a pump and treat system can offer compliance in a regulatory sense, it doesn`t solve the site`s liability problem. Thermal methods promise to solve this dilemma by actually cleaning a property in a short time period, thus limiting the period of liability. This may involve cleaning a site to closure during the initial contaminant-removal phase, or removal of the majority of the contaminant so that natural processes such as bioremediation can return the site to pristine condition over a period of years, without further owner intervention. Today`s regulatory environment encourages this approach through efforts such as the brownfields initiatives. In either case, this requires a strong commitment on the part of the site owner. Most if not all the cleanup occurs within the first year or so, and nearly all the cost. In our experience, the total cleanup cost is still significantly smaller than with conventional methods. The real benefit is the cleanup and thus the removal of liability within a realistic time frame.

  19. Water augmented indirectly-fired gas turbine systems and method

    DOE Patents [OSTI]

    Bechtel, Thomas F.; Parsons, Jr., Edward J.

    1992-01-01

    An indirectly-fired gas turbine system utilizing water augmentation for increasing the net efficiency and power output of the system is described. Water injected into the compressor discharge stream evaporatively cools the air to provide a higher driving temperature difference across a high temperature air heater which is used to indirectly heat the water-containing air to a turbine inlet temperature of greater than about 1,000.degree. C. By providing a lower air heater hot side outlet temperature, heat rejection in the air heater is reduced to increase the heat recovery in the air heater and thereby increase the overall cycle efficiency.

  20. Cover and startup gas supply system for solid oxide fuel cell generator

    DOE Patents [OSTI]

    Singh, Prabhakar; George, Raymond A.

    1999-01-01

    A cover and startup gas supply system for a solid oxide fuel cell power generator is disclosed. Hydrocarbon fuel, such as natural gas or diesel fuel, and oxygen-containing gas are supplied to a burner. Combustion gas exiting the burner is cooled prior to delivery to the solid oxide fuel cell. The system mixes the combusted hydrocarbon fuel constituents with hydrogen which is preferably stored in solid form to obtain a non-explosive gas mixture. The system may be used to provide both non-explosive cover gas and hydrogen-rich startup gas to the fuel cell.

  1. Cover and startup gas supply system for solid oxide fuel cell generator

    DOE Patents [OSTI]

    Singh, P.; George, R.A.

    1999-07-27

    A cover and startup gas supply system for a solid oxide fuel cell power generator is disclosed. Hydrocarbon fuel, such as natural gas or diesel fuel, and oxygen-containing gas are supplied to a burner. Combustion gas exiting the burner is cooled prior to delivery to the solid oxide fuel cell. The system mixes the combusted hydrocarbon fuel constituents with hydrogen which is preferably stored in solid form to obtain a non-explosive gas mixture. The system may be used to provide both non-explosive cover gas and hydrogen-rich startup gas to the fuel cell. 4 figs.

  2. Water-saving liquid-gas conditioning system (Patent) | SciTech Connect

    Office of Scientific and Technical Information (OSTI)

    Patent: Water-saving liquid-gas conditioning system Citation Details In-Document Search Title: Water-saving liquid-gas conditioning system A method for treating a process gas with a liquid comprises contacting a process gas with a hygroscopic working fluid in order to remove a constituent from the process gas. A system for treating a process gas with a liquid comprises a hygroscopic working fluid comprising a component adapted to absorb or react with a constituent of a process gas, and a

  3. Gas Clean-Up for Fuel Cell Applications Workshop Report

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

    ... in pos eum quo con et grid electricity is unavailable and the fuel effciency, reliability and environment friendliness of the fuel cell is of greatest beneft to the client. ...

  4. Removal of Process Gas Equipment Marks Portsmouth Site Cleanup...

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

    ... "The removal of more than 7,000 components brings us to another step in DOE's mission to safely D&D the process buildings and clean up the site," said Dr. Vince Adams, DOE site ...

  5. Avoiding Carbon Bed Hot Spots in Thermal Process Off-Gas Systems...

    Office of Scientific and Technical Information (OSTI)

    Avoiding Carbon Bed Hot Spots in Thermal Process Off-Gas Systems Citation Details In-Document Search Title: Avoiding Carbon Bed Hot Spots in Thermal Process Off-Gas Systems You ...

  6. A High Efficiency PSOFC/ATS-Gas Turbine Power System

    SciTech Connect (OSTI)

    W.L. Lundberg; G.A. Israelson; M.D. Moeckel; S.E. Veyo; R.A. Holmes; P.R. Zafred; J.E. King; R.E. Kothmann

    2001-02-01

    A study is described in which the conceptual design of a hybrid power system integrating a pressurized Siemens Westinghouse solid oxide fuel cell generator and the Mercury{trademark} 50 gas turbine was developed. The Mercury{trademark} 50 was designed by Solar Turbines as part of the US. Department of Energy Advanced Turbine Systems program. The focus of the study was to develop the hybrid power system concept that principally would exhibit an attractively-low cost of electricity (COE). The inherently-high efficiency of the hybrid cycle contributes directly to achieving this objective, and by employing the efficient, power-intensive Mercury{trademark} 50, with its relatively-low installed cost, the higher-cost SOFC generator can be optimally sized such that the minimum-COE objective is achieved. The system cycle is described, major system components are specified, the system installed cost and COE are estimated, and the physical arrangement of the major system components is discussed. Estimates of system power output, efficiency, and emissions at the system design point are also presented. In addition, two bottoming cycle options are described, and estimates of their effects on overall-system performance, cost, and COE are provided.

  7. All-metal valve structure for gas systems

    DOE Patents [OSTI]

    Baker, R.W.; Pawlak, D.A.; Ramey, A.J.

    1982-06-10

    A valve assembly with a resilient metal seat member is disclosed for providing a gas-tight seal in a gas handling system. The valve assembly also includes a valve element for sealing against the valve seat member; and an actuating means for operating the valve element. The valve seat member is a one-piece stainless steel ring having a central valve port and peripheral mounting flange, and an annular corrugation in between. A groove between the first and second ridges serves as a flexure zone during operation of the valve member and thus provides the seating pressure between the inner ridge or valve seat and the valve element. The outer annular ridge has a diameter less than said valve element to limit the seating motion of the valve element, preventing non-elastic deformation of the seat member.

  8. IDAHO OPERATIONS OFFICE NAMES NEW IDAHO CLEANUP PROJECT MANAGER

    Broader source: Energy.gov [DOE]

    Idaho Falls, ID – The Department of Energy Idaho Operations Office today announced that James Cooper has been named deputy manager of its highly-successful Idaho Cleanup Project, which oversees the environmental cleanup and waste management mission at DOE’s Idaho site.

  9. BIOMASS GASIFICATION AND POWER GENERATION USING ADVANCED GAS TURBINE SYSTEMS

    SciTech Connect (OSTI)

    David Liscinsky

    2002-10-20

    A multidisciplined team led by the United Technologies Research Center (UTRC) and consisting of Pratt & Whitney Power Systems (PWPS), the University of North Dakota Energy & Environmental Research Center (EERC), KraftWork Systems, Inc. (kWS), and the Connecticut Resource Recovery Authority (CRRA) has evaluated a variety of gasified biomass fuels, integrated into advanced gas turbine-based power systems. The team has concluded that a biomass integrated gasification combined-cycle (BIGCC) plant with an overall integrated system efficiency of 45% (HHV) at emission levels of less than half of New Source Performance Standards (NSPS) is technically and economically feasible. The higher process efficiency in itself reduces consumption of premium fuels currently used for power generation including those from foreign sources. In addition, the advanced gasification process can be used to generate fuels and chemicals, such as low-cost hydrogen and syngas for chemical synthesis, as well as baseload power. The conceptual design of the plant consists of an air-blown circulating fluidized-bed Advanced Transport Gasifier and a PWPS FT8 TwinPac{trademark} aeroderivative gas turbine operated in combined cycle to produce {approx}80 MWe. This system uses advanced technology commercial products in combination with components in advanced development or demonstration stages, thereby maximizing the opportunity for early implementation. The biofueled power system was found to have a levelized cost of electricity competitive with other new power system alternatives including larger scale natural gas combined cycles. The key elements are: (1) An Advanced Transport Gasifier (ATG) circulating fluid-bed gasifier having wide fuel flexibility and high gasification efficiency; (2) An FT8 TwinPac{trademark}-based combined cycle of approximately 80 MWe; (3) Sustainable biomass primary fuel source at low cost and potentially widespread availability-refuse-derived fuel (RDF); (4) An overall integrated system that exceeds the U.S. Department of Energy (DOE) goal of 40% (HHV) efficiency at emission levels well below the DOE suggested limits; and (5) An advanced biofueled power system whose levelized cost of electricity can be competitive with other new power system alternatives.

  10. 3rd Generation SCR System Using Solid Ammonia Storage and Direct Gas Dosing

    Broader source: Energy.gov [DOE]

    SCR system provides direct ammonia gas dosing for optimal SCR performance with simplified and flexible exhaust layout.

  11. A message of appreciation from ORP to its cleanup partners | Department of

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

    Energy A message of appreciation from ORP to its cleanup partners A message of appreciation from ORP to its cleanup partners Addthis Description A message of appreciation from ORP to its cleanup partners

  12. A Glove Box Enclosed Gas-Tungsten Arc Welding System

    SciTech Connect (OSTI)

    Reevr, E, M; Robino, C.V.

    1999-07-01

    This report describes an inert atmosphere enclosed gas-tungsten arc welding system which has been assembled in support of the MC2730, MC2730A and MC 3500 Radioisotope Thermoelectric Generator (RTG) Enhanced Surveillance Program. One goal of this program is to fabricate welds with microstructures and impurity levels which are similar to production heat source welds previously produced at Los Alamos National Laboratory and the Mound Facility. These welds will subsequently be used for high temperature creep testing as part of the overall component lifetime assessment. In order to maximize the utility of the welding system, means for local control of the arc atmosphere have been incorporated and a wide range of welding environments can easily be evaluated. The gas-tungsten arc welding system used in the assembly is computer controlled, includes two-axis and rotary motion, and can be operated in either continuous or pulsed modes. The system can therefore be used for detailed research studies of welding impurity effects, development of prototype weld schedules, or to mimic a significant range of production-like welding conditions. Fixturing for fabrication of high temperature creep test samples have been designed and constructed, and weld schedules for grip-tab and test welds have been developed. The microstructure of these welds have been evaluated and are consistent with those used during RTG production.

  13. Colorado and the Accelerated Cleanup at Rocky Flats

    SciTech Connect (OSTI)

    Spreng, C.

    2007-07-01

    When the Rocky Flats closure project was declared complete in October 2005, it was the largest environmental cleanup to date. Even more impressive, it was ahead of schedule and well under budget. Several factors combined to produce this success including a performance-based contract with financial incentives, development and application of innovative technologies, and a regulator-backed accelerated approach to the cleanup process. The factor in this success in which the State of Colorado had the largest role was in developing and enforcing the Rocky Flats Cleanup Agreement. In compliance with this agreement, cleanup was accomplished by means of multiple interim actions that led to a comprehensive final decision at the end. A key element that allowed the accelerated cleanup was constant consultation among DOE, its contractor, and the regulators plus collaboration with stakeholders. (authors)

  14. Improving oiled shoreline cleanup with COREXIT 9580

    SciTech Connect (OSTI)

    Fiocco, R.J.; Lessard, R.R.; Canevari, G.P.

    1996-08-01

    The cleanup of oiled shorelines has generally been by mechanical, labor-intensive means. The use of a chemical shoreline cleaner to assist in water-flushing oil from the surfaces can result in more complete and more rapid cleaning. Not only is the cleaning process more efficient, but it can also be less environmentally damaging since there is potentially much less human intrusion and stress on the biological community. This paper describes research and applications of COREXIT 9580 shoreline cleaner for treatment of oiled shorelines, including four recent applications in Puerto Rico, Bermuda, Texas and Nova Scotia. Research work on shoreline vegetation, such as mangroves, has also demonstrated the potential use of this product to save and restore oiled vegetation.

  15. Public Understanding of Cleanup Levels Discussion Public Involvement Committee Meeting - Hanford Advisory Board

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

    Discussion Public Involvement Committee Meeting - Hanford Advisory Board Wednesday, October 31, 2012 - Red Lion Hanford House, Richland Page 1 of 4 Cleanup Levels One of the reasons we want public involvement on cleanup decisions is to gather input about what kind of cleanup end-state the public wants, how clean is clean, or put another way, how dirty is acceptable. Cleanup decisions are complicated. Cleanup levels necessary to be protective dictate which cleanup actions are viable to consider.

  16. Treating exhaust gas from a pressurized fluidized bed reaction system

    DOE Patents [OSTI]

    Isaksson, J.; Koskinen, J.

    1995-08-22

    Hot gases from a pressurized fluidized bed reactor system are purified. Under super atmospheric pressure conditions hot exhaust gases are passed through a particle separator, forming a filtrate cake on the surface of the separator, and a reducing agent--such as an NO{sub x} reducing agent (like ammonia)--is introduced into the exhaust gases just prior to or just after particle separation. The retention time of the introduced reducing agent is enhanced by providing a low gas velocity (e.g. about 1--20 cm/s) during passage of the gas through the filtrate cake while at super atmospheric pressure. Separation takes place within a distinct pressure vessel, the interior of which is at a pressure of about 2--100 bar, and introduction of reducing agent can take place at multiple locations (one associated with each filter element in the pressure vessel), or at one or more locations just prior to passage of clean gas out of the pressure vessel (typically passed to a turbine). 8 figs.

  17. Treating exhaust gas from a pressurized fluidized bed reaction system

    DOE Patents [OSTI]

    Isaksson, Juhani; Koskinen, Jari

    1995-01-01

    Hot gases from a pressurized fluidized bed reactor system are purified. Under superatmospheric pressure conditions hot exhaust gases are passed through a particle separator, forming a flitrate cake on the surface of the separator, and a reducing agent--such as an NO.sub.x reducing agent (like ammonia), is introduced into the exhaust gases just prior to or just after particle separation. The retention time of the introduced reducing agent is enhanced by providing a low gas velocity (e.g. about 1-20 cm/s) during passage of the gas through the filtrate cake while at superatmospheric pressure. Separation takes place within a distinct pressure vessel the interior of which is at a pressure of about 2-100 bar, and-introduction of reducing agent can take place at multiple locations (one associated with each filter element in the pressure vessel), or at one or more locations just prior to passage of clean gas out of the pressure vessel (typically passed to a turbine).

  18. Advanced Combustion Systems for Next Generation Gas Turbines

    SciTech Connect (OSTI)

    Joel Haynes; Jonathan Janssen; Craig Russell; Marcus Huffman

    2006-01-01

    Next generation turbine power plants will require high efficiency gas turbines with higher pressure ratios and turbine inlet temperatures than currently available. These increases in gas turbine cycle conditions will tend to increase NOx emissions. As the desire for higher efficiency drives pressure ratios and turbine inlet temperatures ever higher, gas turbines equipped with both lean premixed combustors and selective catalytic reduction after treatment eventually will be unable to meet the new emission goals of sub-3 ppm NOx. New gas turbine combustors are needed with lower emissions than the current state-of-the-art lean premixed combustors. In this program an advanced combustion system for the next generation of gas turbines is being developed with the goal of reducing combustor NOx emissions by 50% below the state-of-the-art. Dry Low NOx (DLN) technology is the current leader in NOx emission technology, guaranteeing 9 ppm NOx emissions for heavy duty F class gas turbines. This development program is directed at exploring advanced concepts which hold promise for meeting the low emissions targets. The trapped vortex combustor is an advanced concept in combustor design. It has been studied widely for aircraft engine applications because it has demonstrated the ability to maintain a stable flame over a wide range of fuel flow rates. Additionally, it has shown significantly lower NOx emission than a typical aircraft engine combustor and with low CO at the same time. The rapid CO burnout and low NOx production of this combustor made it a strong candidate for investigation. Incremental improvements to the DLN technology have not brought the dramatic improvements that are targeted in this program. A revolutionary combustor design is being explored because it captures many of the critical features needed to significantly reduce emissions. Experimental measurements of the combustor performance at atmospheric conditions were completed in the first phase of the program. Emissions measurements were obtained over a variety of operating conditions. A kinetics model is formulated to describe the emissions performance. The model is a tool for determining the conditions for low emission performance. The flow field was also modeled using CFD. A first prototype was developed for low emission performance on natural gas. The design utilized the tools anchored to the atmospheric prototype performance. The 1/6 scale combustor was designed for low emission performance in GE's FA+e gas turbine. A second prototype was developed to evaluate changes in the design approach. The prototype was developed at a 1/10 scale for low emission performance in GE's FA+e gas turbine. The performance of the first two prototypes gave a strong indication of the best design approach. Review of the emission results led to the development of a 3rd prototype to further reduce the combustor emissions. The original plan to produce a scaled-up prototype was pushed out beyond the scope of the current program. The 3rd prototype was designed at 1/10 scale and targeted further reductions in the full-speed full-load emissions.

  19. Robust packaging system for diesel/natural gas oxidation catalysts

    SciTech Connect (OSTI)

    Gulati, S.T.; Sherwood, D.L.; Corn, S.H.

    1996-09-01

    The 290,000 vehicle-mile durability requirement for diesel/natural gas oxidation catalysts calls for robust packaging systems which ensure a positive mounting pressure on the ceramic flow-through converter under all operating conditions. New data for substrate/washcoat interaction, intumescent mat performance in dry and wet states, and high temperature strength and oxidation resistance of stainless steels, and canning techniques insensitive to tolerance stack-up are reviewed which help optimize packaging durability. Factors contributing to robustness of converter components are identified and methods to quantify their impact on design optimization are described.

  20. Systems acceptance and operability testing for rotary mode core sampling in flammable gas tanks

    SciTech Connect (OSTI)

    Corbett, J.E., Westinghouse Hanford

    1996-07-29

    This document provides instructions for the system acceptance and operability testing of the rotary mode core sampling system, modified for use in flammable gas tanks.

  1. A Gas-Cooled Reactor Surface Power System

    SciTech Connect (OSTI)

    Harms, G.A.; Lenard, R.X.; Lipinski, R.J.; Wright, S.A.

    1998-11-09

    A human outpost on Mars requires plentiful power to assure survival of the astronauts. Anywhere from 50 to 500 kW of electric power (kWe) will be needed, depending on the number of astronauts, level of scientific activity, and life- cycle closure desired. This paper describes a 250-kWe power system based on a gas-cooled nuclear reactor with a recuperated closed Brayton cycle conversion system. The design draws upon the extensive data and engineering experience developed under the various high-temperature gas cooled reactor programs and under the SP-100 program. The reactor core is similar in power and size to the research reactors found on numerous university campuses. The fuel is uranium nitide clad in Nb 1 %Zr, which has been extensively tested under the SP-I 00 program The fiel rods are arranged in a hexagonal array within a BeO block. The BeO softens the spectrum, allowing better use of the fbel and stabilizing the geometty against deformation during impact or other loadings. The system has a negative temperature feedback coefficient so that the power level will automatically follow a variable load without the need for continuous adjustment of control elements. Waste heat is removed by an air-cooled heat exchanger using cold Martian air. The amount of radioactivity in the reactor at launch is very small (less than a Curie, and about equal to a truckload of uranium ore). The system will need to be engineered so that criticality cannot occur for any launch accident. This system is also adaptable for electric propulsion or life-support during transit to and from Mars.

  2. Igniter for gas discharge pipe with a flame detection system

    SciTech Connect (OSTI)

    Guerra, R.E.

    1990-03-06

    This patent describes a method of burning waste gas, using an igniter of the type having a nozzle, a main gas conduit extending to the nozzle, and an electrical spark means for creating a spark in the nozzle. It comprises: mounting the igniter to a waste gas discharge pipe with the nozzle directed across the opening of the gas discharge pipe; supplying a gaseous fuel to the main gas conduit; igniting the gaseous fuel with the electrical spark means, creating a flame for igniting the waste gas being discharged from the gas discharge pipe; providing the igniter with an auxiliary gas line extending to the vicinity of the nozzle; and supplying a second and lower volume source of waste gas to the auxiliary gas line for burning at the nozzle.

  3. Advanced Materials for Mercury 50 Gas Turbine Combustion System

    SciTech Connect (OSTI)

    Price, Jeffrey

    2008-09-30

    Solar Turbines Incorporated (Solar), under cooperative agreement number DE-FC26-0CH11049, has conducted development activities to improve the durability of the Mercury 50 combustion system to 30,000 hours life and reduced life cycle costs. This project is part of Advanced Materials in the Advanced Industrial Gas Turbines program in DOE's Office of Distributed Energy. The targeted development engine was the Mercury{trademark} 50 gas turbine, which was developed by Solar under the DOE Advanced Turbine Systems program (DOE contract number DE-FC21-95MC31173). As a generator set, the Mercury 50 is used for distributed power and combined heat and power generation and is designed to achieve 38.5% electrical efficiency, reduced cost of electricity, and single digit emissions. The original program goal was 20,000 hours life, however, this goal was increased to be consistent with Solar's standard 30,000 hour time before overhaul for production engines. Through changes to the combustor design to incorporate effusion cooling in the Generation 3 Mercury 50 engine, which resulted in a drop in the combustor wall temperature, the current standard thermal barrier coated liner was predicted to have 18,000 hours life. With the addition of the advanced materials technology being evaluated under this program, the combustor life is predicted to be over 30,000 hours. The ultimate goal of the program was to demonstrate a fully integrated Mercury 50 combustion system, modified with advanced materials technologies, at a host site for a minimum of 4,000 hours. Solar was the Prime Contractor on the program team, which includes participation of other gas turbine manufacturers, various advanced material and coating suppliers, nationally recognized test laboratories, and multiple industrial end-user field demonstration sites. The program focused on a dual path development route to define an optimum mix of technologies for the Mercury 50 and future gas turbine products. For liner and injector development, multiple concepts including high thermal resistance thermal barrier coatings (TBC), oxide dispersion strengthened (ODS) alloys, continuous fiber ceramic composites (CFCC), and monolithic ceramics were evaluated before down-selection to the most promising candidate materials for field evaluation. Preliminary, component and sub-scale testing was conducted to determine material properties and demonstrate proof-of-concept. Full-scale rig and engine testing was used to validated engine performance prior to field evaluation at a Qualcomm Inc. cogeneration site located in San Diego, California. To ensure that the CFCC liners with the EBC proposed under this program would meet the target life, field evaluations of ceramic matrix composite liners in Centaur{reg_sign} 50 gas turbine engines, which had previously been conducted under the DOE sponsored Ceramic Stationary Gas Turbine program (DE-AC02-92CE40960), was continued under this program at commercial end-user sites under Program Subtask 1A - Extended CFCC Materials Durability Testing. The goal of these field demonstrations was to demonstrate significant component life, with milestones of 20,000 and 30,000 hours. Solar personnel monitor the condition of the liners at the field demonstration sites through periodic borescope inspections and emissions measurements. This program was highly successful at evaluating advanced materials and down-selecting promising solutions for use in gas turbine combustions systems. The addition of the advanced materials technology has enabled the predicted life of the Mercury 50 combustion system to reach 30,000 hours, which is Solar's typical time before overhaul for production engines. In particular, a 40 mil thick advanced Thermal Barrier Coating (TBC) system was selected over various other TBC systems, ODS liners and CFCC liners for the 4,000-hour field evaluation under the program. This advanced TBC is now production bill-of-material at various thicknesses up to 40 mils for all of Solar's advanced backside-cooled combustor liners (Centaur 50, Taurus 60, Mars 100, Taurus 70, Taurus 65, Titan 130, Titan 250 and Mercury 50). This TBC coating system significantly outperformed all other TBC systems evaluated under the program. The initial field unit, with the 40 mil advanced TBC developed under this program, has far exceeded the 4,000-hour requirement of the program, accumulating over 20,000 hours of commercial operation at Qualcomm Inc. in San Diego, CA. The 40 mil advanced TBC remains in excellent condition, with no evidence of chipping or spalling. The engine will continue operation until the unit is due for overhaul at approximately 30,000 hours. The Oxide Dispersion Strengthened (ODS) alloy injector tip testing and evaluation was also successful, however, the ODS injector tip development on this program was terminated, primarily due to the fact that the Mercury 50 injector tip was redesigned (Generation 3) by Combustion Engineering.

  4. DOE extends the Idaho Cleanup Project contract for three years

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

    of Energy extends the Idaho Cleanup Project Contract for Three Years DOE extends the Idaho Cleanup Project Contract for Three Years September 25, 2012 - 12:00pm Addthis Media Contacts Brad Bugger 208-526-0833 Danielle Miller 208-526-5709 Idaho Falls, ID - The U.S. Department of Energy has extended by three years its contract with the company currently operating the Idaho Cleanup Project at the department's Idaho Site. CH2M-WG Idaho, LLC's (CWI) period of performance on the current contract

  5. DOE Awards Legacy Cleanup Contract | Department of Energy

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

    Legacy Cleanup Contract DOE Awards Legacy Cleanup Contract September 23, 2015 - 6:00pm Addthis Media Contact Lynette Chafin, 513-246-0461, Lynette.Chafin@emcbc.doe.gov Cincinnati - The U.S. Department of Energy (DOE) today announced the award of a Cost-Plus-Award Fee contract to Los Alamos National Security, LLC (LANS) of Los Alamos, NM. This bridge contract is for the Office of Environmental Management (EM) funded legacy cleanup activities at the Los Alamos National Laboratory (LANL). LANS is

  6. Tritium research laboratory cleanup and transition project final report

    SciTech Connect (OSTI)

    Johnson, A.J.

    1997-02-01

    This Tritium Research Laboratory Cleanup and Transition Project Final Report provides a high-level summary of this project`s multidimensional accomplishments. Throughout this report references are provided for in-depth information concerning the various topical areas. Project related records also offer solutions to many of the technical and or administrative challenges that such a cleanup effort requires. These documents and the experience obtained during this effort are valuable resources to the DOE, which has more than 1200 other process contaminated facilities awaiting cleanup and reapplication or demolition.

  7. Fuel Use and Greenhouse Gas Emissions from the Natural Gas System; Sankey Diagram Methodology

    Broader source: Energy.gov [DOE]

    As natural gas travels through infrastructure, from well-head to customer meter, small portions are routinely used as fuel, vented, flared, or inadvertently leaked to the atmosphere. This paper describes the analytical and methodological basis for three diagrams that illustrate the natural gas losses and greenhouse gas emissions that result from these processes. The paper examines these emissions in some detail, focusing in particular on the production, processing, transmission and storage, and distribution segments of natural gas infrastructure.

  8. Power plant including an exhaust gas recirculation system for injecting recirculated exhaust gases in the fuel and compressed air of a gas turbine engine

    DOE Patents [OSTI]

    Anand, Ashok Kumar; Nagarjuna Reddy, Thirumala Reddy; Shaffer, Jason Brian; York, William David

    2014-05-13

    A power plant is provided and includes a gas turbine engine having a combustor in which compressed gas and fuel are mixed and combusted, first and second supply lines respectively coupled to the combustor and respectively configured to supply the compressed gas and the fuel to the combustor and an exhaust gas recirculation (EGR) system to re-circulate exhaust gas produced by the gas turbine engine toward the combustor. The EGR system is coupled to the first and second supply lines and configured to combine first and second portions of the re-circulated exhaust gas with the compressed gas and the fuel at the first and second supply lines, respectively.

  9. A Path to Reduce Methane Emissions from Gas Systems | Department of Energy

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

    A Path to Reduce Methane Emissions from Gas Systems A Path to Reduce Methane Emissions from Gas Systems July 29, 2014 - 3:33pm Addthis A researcher evaluates methane produced in a unique conservation process. Methane is both a potent greenhouse gas and valuable energy resource.| Photo courtesy of the Energy Department. A researcher evaluates methane produced in a unique conservation process. Methane is both a potent greenhouse gas and valuable energy resource.| Photo courtesy of the Energy

  10. Operation of cover-gas system during SLSF tests. [LMFBR

    SciTech Connect (OSTI)

    Braid, T.H.; Harper, H.A.; Wilson, R.E.

    1982-01-01

    During two tests in the Sodium Loop Safety Facility (W1 and P4), high resolution gamma-ray spectroscopy was used to detect pin failure by observing radioactive fission product isotopes of Kr and Xe from exposed fuel. A continuous stream of argon cover gas from the in-pile loop was transferred to a shielded sample volume. Two germanium crystal spectrometers continuously recorded spectra of gamma rays in the energy range 80 keV to approx. 2.7 MeV. A very wide range of signal strength was accommodated without saturation by dilution of the sample, reduction of the sample chamber volume and insertion of detecter collimators. The cover gas system provided an unambiguous indication of fuel failure during a series of boiling tests in W1. In P4, spectra were recorded after a power transient that released molten fuel and from a mass of exposed fuel at a range of reactor power levels. Gamma rays were observed from isotopes of Kr and Xe with half-lives from 3.8 m to 5.2 d.

  11. Systems and methods for regulating pressure of a filled-in gas

    DOE Patents [OSTI]

    Stautner, Ernst Wolfgang; Michael, Joseph Darryl

    2016-05-03

    A system for regulating a pressure of a filled-in gas is presented. The system includes a reservoir that stores a reservoir gas adsorbed in a sorbent material at a storage temperature, a gas-filled tube containing the filled-in gas, a controller configured to determine a pressure change required in the filled-in gas based upon signals representative of a pressure of the filled-in gas inside the gas-filled tube and a required pressure threshold, determine an updated temperature of the sorbent material based upon the pressure change required in the filled-in gas, and regulate the pressure of the filled-in gas by controlling the reservoir to change the storage temperature of the sorbent material to reach the updated temperature of the sorbent material.

  12. Stack Characterization System for Inspection of Contaminated Off-Gas Stacks

    Energy Savers [EERE]

    | Department of Energy Stack Characterization System for Inspection of Contaminated Off-Gas Stacks Stack Characterization System for Inspection of Contaminated Off-Gas Stacks The stack characterization system (SCS) is a tele-operated remote system that collects samples and data to characterize the quantitative and qualitative levels of contamination inside off-gas stacks protecting workers from the physical, radiological and chemical hazards of deteriorating contaminated stacks. PDF icon

  13. DOE extends the Idaho Cleanup Project Contract for Three Years

    Broader source: Energy.gov [DOE]

    Idaho Falls, ID - The U.S. Department of Energy has extended by three years its contract with the company currently operating the Idaho Cleanup Project at the department’s Idaho Site.

  14. Wendy Cain named portfolio federal project director for ETTP cleanup

    Broader source: Energy.gov [DOE]

    The U.S. Department of Energy’s Oak Ridge Office of Environmental Management has named Wendy Cain as its new portfolio federal project director for cleanup of the East Tennessee Technology Park.

  15. Department of Energy Idaho - Idaho Cleanup Project Contract

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

    & Solicitations > ICP Contract Idaho Cleanup Project Contract Basic Contract Contract Modifications Documents Related to the ICP Contract Last Updated: 11/04/2015 Privacy Statement and Disclaimer Contact Aaron S Nebeker

  16. Department of Energy Idaho - Idaho Cleanup Project Contract

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

    Contracts, Financial Assistance & Solicitations > ICP-Core Contract Idaho Cleanup Project (ICP) Core Basic Contract Contract Modifications Other Documents Last Updated: 03/22/2016 Privacy Statement and Disclaimer Contact Aaron S Nebeker

  17. DOE's Top Environmental Cleanup Official Visits Paducah Site

    Broader source: Energy.gov [DOE]

    PADUCAH, KY – Cost-efficiency is a top priority as the Department of Energy makes challenging decisions on how to best use environmental cleanup dollars, said Dave Huizenga, Senior Advisor of DOE Environmental Management (EM).

  18. Energy Secretary Moniz to Speak at DOE National Cleanup Workshop

    Broader source: Energy.gov [DOE]

    WASHINGTON, D.C. – U.S. Energy Secretary Ernest Moniz is set to provide opening remarks at the first DOE National Cleanup Workshop, scheduled to be held Sept. 29-30 in the Washington, D.C. area.

  19. Microsoft PowerPoint - DFT Syngas Cleanup_3

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

    Density Functional Theory Study of Syngas Cleanup with Ceria-Based Rare Earth Oxides Matthew D. Krcha 1 , Adam D. Mayernick 1 , Michael J. Janik 1 , Kerry M. Dooley 2 1 Department...

  20. Oak Ridge Reflects on 30 Years of Cleanup

    Broader source: Energy.gov [DOE]

    OAK RIDGE, Tenn. – Oak Ridge’s EM program hosted an event this month that documented the site’s environmental cleanup efforts since 1983, six years before the official founding of the Department’s EM.

  1. Recovery Act Funded Environmental Cleanup Begins at Y-12

    Broader source: Energy.gov [DOE]

    Environmental cleanup activities are under way at Y-12 with the removal of excess equipment and scrap materials from Beta 4 (Building 9204-4) and Alpha 5 (Building 9201-5).

  2. DOE Selects Contractor for California Energy Technology Engineering Center Cleanup

    Broader source: Energy.gov [DOE]

    Cincinnati - The Department of Energy (DOE) today awarded a competitive $25.7 million task order for cleanup activities at the Energy Technology Engineering Center (ETEC) to North Wind of Idaho Falls, Idaho.

  3. Top EM Leadership to Participate in 2016 National Cleanup Workshop

    Broader source: Energy.gov [DOE]

    WASHINGTON, D.C. – EM’s senior leaders are set to join the 2016 National Cleanup Workshop in mid-September in the Washington, D.C.-area.

  4. Los Alamos Legacy Clean-up Completion Project Bridge Contract

    Broader source: Energy.gov [DOE]

    At the December 10, 2014 Special meeting Jack Craig DOE HQ, Provided Information on the Bridge Contract for the Shift from NNSA Oversight to EM Oversight for LANL Environmental Clean-up.

  5. EM, UCOR Quickly Reconcile Oak Ridge Cleanup Contract

    Broader source: Energy.gov [DOE]

    OAK RIDGE, Tenn. – At a ceremony today, Oak Ridge’s Environmental Management (EM) program and its prime contractor, URS | CH2M Oak Ridge, LLC (UCOR) celebrated the completion of the site’s reconciled cleanup contract.

  6. RECOVERY ACT LEADS TO CLEANUP OF TRANSURANIC WASTE SITES

    Broader source: Energy.gov [DOE]

    Carlsbad, NM - The recent completion of transuranic (TRU) waste cleanup at Vallecitos Nuclear Center (VNC) and Lawrence Livermore National Laboratory (LLNL) Site 300 in California brings the total number of sites cleared of TRU waste to 17.

  7. New Idaho Cleanup Project Contractor Unveils Management Team...

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

    Cleanup Project (ICP), Fluor Idaho, LLC, has unveiled its senior management team. "The 90-day transition process is now halfway complete and Fluor Idaho, LLC, is on track to ...

  8. EM SSAB Contributes Community Views to Clean-up Decisions

    Broader source: Energy.gov [DOE]

    EM has made public participation a fundamental component of its cleanup mission and has found that the EM SSAB, which draws upon diverse community viewpoints to provide advice and recommendations,...

  9. Backscatter absorption gas imaging systems and light sources therefore

    DOE Patents [OSTI]

    Kulp, Thomas Jan; Kliner, Dahv A. V.; Sommers, Ricky; Goers, Uta-Barbara; Armstrong, Karla M.

    2006-12-19

    The location of gases that are not visible to the unaided human eye can be determined using tuned light sources that spectroscopically probe the gases and cameras that can provide images corresponding to the absorption of the gases. The present invention is a light source for a backscatter absorption gas imaging (BAGI) system, and a light source incorporating the light source, that can be used to remotely detect and produce images of "invisible" gases. The inventive light source has a light producing element, an optical amplifier, and an optical parametric oscillator to generate wavelength tunable light in the IR. By using a multi-mode light source and an amplifier that operates using 915 nm pump sources, the power consumption of the light source is reduced to a level that can be operated by batteries for long periods of time. In addition, the light source is tunable over the absorption bands of many hydrocarbons, making it useful for detecting hazardous gases.

  10. Axially staged combustion system for a gas turbine engine

    DOE Patents [OSTI]

    Bland, Robert J.

    2009-12-15

    An axially staged combustion system is provided for a gas turbine engine comprising a main body structure having a plurality of first and second injectors. First structure provides fuel to at least one of the first injectors. The fuel provided to the one first injector is adapted to mix with air and ignite to produce a flame such that the flame associated with the one first injector defines a flame front having an average length when measured from a reference surface of the main body structure. Each of the second injectors comprising a section extending from the reference surface of the main body structure through the flame front and having a length greater than the average length of the flame front. Second structure provides fuel to at least one of the second injectors. The fuel passes through the one second injector and exits the one second injector at a location axially spaced from the flame front.

  11. Deliverability on the Interstate Natural Gas Pipeline System

    Reports and Publications (EIA)

    1998-01-01

    Examines the capability of the national pipeline grid to transport natural gas to various U.S. markets.

  12. EIA - Natural Gas Pipeline Network - Region To Region System Capacity

    U.S. Energy Information Administration (EIA) Indexed Site

    Levels Interregional Capacity About U.S. Natural Gas Pipelines - Transporting Natural Gas based on data through 2007/2008 with selected updates Interregional Natural Gas Transmission Pipeline Capacity, Close of 2008 (Million cubic feet per day) Map of Interregional Natural Gas Transmission Pipeline Capacity in 2008 The EIA has determined that the informational map displays here do not raise security concerns, based on the application of the Federal Geographic Data Committee's Guidelines for

  13. Example Cleanup: Removal of Polychlorinated Biphenyls from Hillside 140

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

    Example Cleanup Removal of Polychlorinated Biphenyls from Hillside 140 Removing the source is one of three defenses in depth, as illustrated at the PCB removal from Hillside 140. August 1, 2013 Men vacuuming PCB contamination from Hillside 140 using large pipes and pullies Vacuuming PCB contamination from Hillside 140 Water and sediment is sampled periodically for contaminants. If PCB waste is present, it is shipped to licensed disposal facilities. Two cleanups of radioactive materials were

  14. Registration Now Open for 2016 National Cleanup Workshop in September |

    Office of Environmental Management (EM)

    Mission Mission The mission of the Office of Environmental Management (EM) is to complete the safe cleanup of the environmental legacy brought about from five decades of nuclear weapons development and government-sponsored nuclear energy research. The EM program has made significant progress in shifting away from risk management to embracing a mission completion philosophy based on reducing risk and reducing environmental liability. As an established operating cleanup completion and risk

  15. Glass Science Could Boost Hanford Cleanup | Department of Energy

    Energy Savers [EERE]

    Glass Science Could Boost Hanford Cleanup Glass Science Could Boost Hanford Cleanup October 29, 2015 - 12:30pm Addthis A canister filled with nonradioactive glass sits on display. A canister filled with nonradioactive glass sits on display. A sample of vitrified glass at EM's Office of River Protection. A sample of vitrified glass at EM's Office of River Protection. A glass scientist works with molten glass. A glass scientist works with molten glass. A canister filled with nonradioactive glass

  16. Grand Challenge Winning Entry Proposes Efficiencies to Tank Waste Cleanup |

    Energy Savers [EERE]

    Department of Energy Winning Entry Proposes Efficiencies to Tank Waste Cleanup Grand Challenge Winning Entry Proposes Efficiencies to Tank Waste Cleanup December 29, 2015 - 12:55pm Addthis From left, Elaine Diaz, Office of River Protection (ORP) acting chief engineer; John Vienna, Pacific Northwest National Laboratory scientist; Albert Kruger, ORP glass scientist; and Kevin Smith, ORP manager. From left, Elaine Diaz, Office of River Protection (ORP) acting chief engineer; John Vienna,

  17. DOE Idaho site reaches 20-year cleanup milestone

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

    IDAHO FALLS, IDAHO, 83403 Media Contact: Brad Bugger (208) 526-0833 For Immediate Release: January 19, 2012 DOE Idaho site reaches 20-year cleanup milestone IDAHO FALLS, ID- In two decades of Superfund cleanup work, the U.S. Department of Energy's Idaho site has removed hundreds of thousands of cubic yards of radioactive and hazardously contaminated soils, excavated radioactive waste buried since the 1950s, removed three nuclear reactors and hundreds of buildings, completely closed three major

  18. December 2015 Newsletter - Los Alamos Field Office Legacy Cleanup |

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

    Department of Energy December 2015 Newsletter - Los Alamos Field Office Legacy Cleanup December 2015 Newsletter - Los Alamos Field Office Legacy Cleanup December 31, 2015 - 12:00pm Addthis Sewage Treatment Facility at TA-21 before demolition Sewage Treatment Facility at TA-21 before demolition Debris from demolition of TA-21 Sewage Treatment Facility Debris from demolition of TA-21 Sewage Treatment Facility Sewage Treatment Facility at TA-21 before demolition Debris from demolition of TA-21

  19. EM Cleanup Chief Discusses Path Forward for DOE's Excess Facilities |

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

    Department of Energy Cleanup Chief Discusses Path Forward for DOE's Excess Facilities EM Cleanup Chief Discusses Path Forward for DOE's Excess Facilities April 27, 2016 - 1:00pm Addthis Panel moderator Jenny Freeman, president of the Energy Technology and Environmental Business Association (second from left), talks as panelists (left to right) Ken Harrawood, senior director of Y-12 Legacy Facility Disposition, Mark Duff, director of Environmental Management, Fluor Paducah Deactivation

  20. Paducah Site Undergoing Steady Groundwater Cleanup with Variety of Methods

    Energy Savers [EERE]

    | Department of Energy Undergoing Steady Groundwater Cleanup with Variety of Methods Paducah Site Undergoing Steady Groundwater Cleanup with Variety of Methods June 1, 2012 - 12:00pm Addthis The yellow outline depicts an area southeast of the C-400 Cleaning Building, background, where electrical resistance heating will be used to remove trichloroethene (TCE) down to 60 feet below ground. Electrodes will heat the chemical into a vapor that can be pumped to the surface and treated in the white

  1. SRS Recovery Act Completes Major Lower Three Runs Project Cleanup |

    Energy Savers [EERE]

    Department of Energy Recovery Act Completes Major Lower Three Runs Project Cleanup SRS Recovery Act Completes Major Lower Three Runs Project Cleanup American Recovery and Reinvestment Act can now claim that 85 percent of the Savannah River Site (SRS) has been cleaned up with the recent completion of the Lower Three Runs (stream) Project. Twenty miles long, Lower Three Runs leaves the main body of the 310-square mile site and runs through parts of Barnwell and Allendale Counties until it

  2. Probing Fukushima with cosmic rays should speed cleanup

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

    Probing Fukushima with cosmic rays should speed cleanup Probing Fukushima with cosmic rays should speed cleanup The initiative could reduce the time required to clean up the disabled complex by at least a decade and greatly reduce radiation exposure to personnel working at the plant. June 18, 2014 Los Alamos National Laboratory postdoctoral researcher Elena Guardincerri, right, and undergraduate research assistant Shelby Fellows prepare a lead hemisphere inside a muon tomography machine, which

  3. Draft Public Involvement Advice for Central Plateau Cleanup

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

    V0, 12/9/14 Draft Public Involvement Advice for Central Plateau Cleanup Principles Issue managers: Pollet, Mattson, Vanni, Plahuta, Catrell Background The Tri-Party Agencies are developing principles that will guide the cleanup of Hanford's Central Plateau. The Hanford Advisory Board (HAB) believes that the broader public should be involved in the development of these principles. Hanford's Central Plateau is planned to be the final footprint of the Hanford Site. The Central Plateau contains

  4. EM Assistant Secretary Highlights Cleanup Workers at Annual Conference |

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

    Department of Energy Highlights Cleanup Workers at Annual Conference EM Assistant Secretary Highlights Cleanup Workers at Annual Conference March 31, 2016 - 1:20pm Addthis EM Assistant Secretary Dr. Monica Regalbuto speaks during the Waste Management Conference plenary session earlier this month. EM Assistant Secretary Dr. Monica Regalbuto speaks during the Waste Management Conference plenary session earlier this month. PHOENIX - EM Assistant Secretary Dr. Monica Regalbuto praised the

  5. Recovery Act Creates Jobs, Accelerates Cleanup at DOE's Paducah Site |

    Office of Environmental Management (EM)

    Department of Energy Recovery Act Creates Jobs, Accelerates Cleanup at DOE's Paducah Site Recovery Act Creates Jobs, Accelerates Cleanup at DOE's Paducah Site October 26, 2011 - 8:14am Addthis Brandon Henderson checks a pump in the water treatment facility at the Paducah Gaseous Diffusion Plant. The former Recovery Act engineer now works for the U.S. Enrichment Corp. Brandon Henderson checks a pump in the water treatment facility at the Paducah Gaseous Diffusion Plant. The former Recovery

  6. Savannah River Site Takes on Another Environmental Cleanup Challenge:

    Office of Environmental Management (EM)

    Coal-Fired Ash | Department of Energy Takes on Another Environmental Cleanup Challenge: Coal-Fired Ash Savannah River Site Takes on Another Environmental Cleanup Challenge: Coal-Fired Ash July 29, 2015 - 12:00pm Addthis SRNS environmental engineers Ron Socha (left) and Frank Sappington inspect earth-moving work within a basin containing coal ash. SRNS environmental engineers Ron Socha (left) and Frank Sappington inspect earth-moving work within a basin containing coal ash. One of the

  7. Cleanup Verification Package for the 118-F-3, Minor Construction Burial Ground

    SciTech Connect (OSTI)

    M. J. Appel

    2007-01-04

    This cleanup verification package documents completion of remedial action for the 118-F-3, Minor Construction Burial Ground waste site. This site was an open field covered with cobbles, with no vegetation growing on the surface. The site received irradiated reactor parts that were removed during conversion of the 105-F Reactor from the Liquid 3X to the Ball 3X Project safety systems and received mostly vertical safety rod thimbles and step plugs.

  8. Los Alamos National Laboratory Site Cleanup By the Numbers | Department of

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

    Energy Los Alamos National Laboratory Site Cleanup By the Numbers Los Alamos National Laboratory Site Cleanup By the Numbers Status of the Los Alamos Cleanup Activities as of May 2016 PDF icon LANL-Site-By-The-Numbers-May-2016.pdf More Documents & Publications Los Alamos National Laboratory Site Cleanup By the Numbers Los Alamos National Laboratory Site Cleanup By the Numbers Audit Report: IG-0793 CX-010905: Categorical Exclusion Determination

  9. [Advanced Gas Turbine Systems Research]. Technical Quarterly Progress Report

    SciTech Connect (OSTI)

    1998-09-30

    Major Accomplishments by Advanced Gas Turbine Systems Research (AGTSR) during this reporting period are highlighted below and amplified in later sections of this report: AGTSR distributed 50 proposals from the 98RFP to the IRB for review, evaluation and rank-ordering during the summer; AGTSR conducted a detailed program review at DOE-FETC on July 24; AGTSR organized the 1998 IRB proposal review meeting at SCIES on September 15-16; AGTSR consolidated all the IRB proposal scores and rank-orderings to facilitate the 98RFP proposal deliberations; AGTSR submitted meeting minutes and proposal short-list recommendation to the IRB and DOE for the 98RFP solicitation; AGTSR reviewed two gas turbine related proposals as part of the CU RFP State Project for renovating the central energy facility; AGTSR reviewed and cleared research papers with the IRB from the University of Pittsburgh, Wisconsin, and Minnesota; AGTSR assisted GTA in obtaining university stakeholder support of the ATS program from California, Pennsylvania, and Colorado; AGTSR assisted GTA in distributing alert notices on potential ATS budget cuts to over 150 AGTSR performing university members; AGTSR submitted proceedings booklet and organizational information pertaining to the OAI hybrid gas turbine workshop to DOE-FETC; For DOE-FETC, AGTSR updated the university consortium poster to include new members and research highlights; For DOE-FETC, the general AGTSR Fact Sheet was updated to include new awards, workshops, educational activity and select accomplishments from the research projects; For DOE-FETC, AGTSR prepared three fact sheets highlighting university research supported in combustion, aero-heat transfer, and materials; For DOE-FETC, AGTSR submitted pictures on materials research for inclusion in the ATS technology brochure; For DOE-FETC, AGTSR submitted a post-2000 roadmap showing potential technology paths AGTSR could pursue in the next decade; AGTSR distributed the ninth newsletter UPDATE to DOE, the IRB: and two interested partners involved in ATS; AGTSR submitted information on its RFP's, workshops, and educational activities for the 1999 ASMWIGTI technology report for worldwide distribution; AGTSR coordinated university poster session titles and format with Conference Management Associates (CMA) for the 98 ATS Annual; and AGTSR submitted 2-page abstract to CMA for the 98 ATS Review titled: ''AGTSR: A Virtual National Lab''.

  10. Fact Sheet: Advanced Natural Gas Systems Manufacturing R&D Initiative |

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

    Department of Energy Advanced Natural Gas Systems Manufacturing R&D Initiative Fact Sheet: Advanced Natural Gas Systems Manufacturing R&D Initiative The following fact sheet outlines one of the Department of Energy's series of actions, partnerships, and stakeholder commitments to help modernize the nation¹s natural gas transmission and distribution systems and reduce methane emissions. DOE will launch a collaborative effort with industry to evaluate and scope high-impact

  11. Portsmouth Cleanup Progress | Department of Energy

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

    ... Twenty four facilities have been removed to reduce site risks and long-term surveillance and maintenance costs. X-230J-8 Environmental Storage Building X-344E Gas Ventilation Stack ...

  12. Superconducting cable cooling system by helium gas and a mixture of gas and liquid helium

    DOE Patents [OSTI]

    Dean, John W.

    1977-01-01

    Thermally contacting, oppositely streaming cryogenic fluid streams in the same enclosure in a closed cycle that changes from a cool high pressure helium gas to a cooler reduced pressure helium fluid comprised of a mixture of gas and boiling liquid so as to be near the same temperature but at different pressures respectively in go and return legs that are in thermal contact with each other and in thermal contact with a longitudinally extending superconducting transmission line enclosed in the same cable enclosure that insulates the line from the ambient at a temperature T.sub.1. By first circulating the fluid in a go leg from a refrigerator at one end of the line as a high pressure helium gas near the normal boiling temperature of helium; then circulating the gas through an expander at the other end of the line where the gas becomes a mixture of reduced pressure gas and boiling liquid at its boiling temperature; then by circulating the mixture in a return leg that is separated from but in thermal contact with the gas in the go leg and in the same enclosure therewith; and finally returning the resulting low pressure gas to the refrigerator for compression into a high pressure gas at T.sub.2 is a closed cycle, where T.sub.1 >T.sub.2, the temperature distribution is such that the line temperature is nearly constant along its length from the refrigerator to the expander due to the boiling of the liquid in the mixture. A heat exchanger between the go and return lines removes the gas from the liquid in the return leg while cooling the go leg.

  13. Intergrating Magnetotellurics, Soil Gas Geochemistry and Structural Analysis to Identify Hidden, High Enthalpy, Extensional Geothermal Systems

    Broader source: Energy.gov [DOE]

    Intergrating Magnetotellurics, Soil Gas Geochemistry and Structural Analysis to Identify Hidden, High Enthalpy, Extensional Geothermal Systems presentation at the April 2013 peer review meeting held in Denver, Colorado.

  14. Advanced coal-fueled industrial cogeneration gas turbine system

    SciTech Connect (OSTI)

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

    1992-06-01

    This report covers the activity during the period from 2 June 1991 to 1 June 1992. The major areas of work include: the combustor sub-scale and full size testing, cleanup, coal fuel specification and processing, the Hot End Simulation rig and design of the engine parts required for use with the coal-fueled combustor island. To date Solar has demonstrated: Stable and efficient combustion burning coal-water mixtures using the Two Stage Slagging Combustor; Molten slag removal of over 97% using the slagging primary and the particulate removal impact separator; and on-site preparation of CWM is feasible. During the past year the following tasks were completed: The feasibility of on-site CWM preparation was demonstrated on the subscale TSSC. A water-cooled impactor was evaluated on the subscale TSSC; three tests were completed on the full size TSSC, the last one incorporating the PRIS; a total of 27 hours of operation on CWM at design temperature were accumulated using candle filters supplied by Refraction through Industrial Pump Filter; a target fuel specification was established and a fuel cost model developed which can identify sensitivities of specification parameters; analyses of the effects of slag on refractory materials were conducted; and modifications continued on the Hot End Simulation Rig to allow extended test times.

  15. Characterization of suspended flue gas particle systems with...

    Office of Scientific and Technical Information (OSTI)

    Sponsoring Org: USDOE Country of Publication: United States Language: English Subject: 01 COAL, LIGNITE, AND PEAT; CASCADE IMPACTORS; PERFORMANCE TESTING; FLUE GAS; PARTICLE SIZE; ...

  16. Fuel Cell/Gas Turbine System Performance Studies

    Office of Scientific and Technical Information (OSTI)

    ... of the environmentally clean and low noise ... introduction of the technology. electrical efficiencies ... GTRC- 5 MW Gas Turbine Recup C 43 40 PCFGD Pulverised Coal...

  17. Feed gas contaminant removal in ion transport membrane systems

    DOE Patents [OSTI]

    Carolan, Michael Francis (Allentown, PA); Miller, Christopher Francis (Macungie, PA)

    2008-09-16

    Method for gas purification comprising (a) obtaining a feed gas stream containing one or more contaminants selected from the group consisting of volatile metal oxy-hydroxides, volatile metal oxides, and volatile silicon hydroxide; (b) contacting the feed gas stream with a reactive solid material in a guard bed and reacting at least a portion of the contaminants with the reactive solid material to form a solid reaction product in the guard bed; and (c) withdrawing from the guard bed a purified gas stream.

  18. Gas tagging and cover gas combination for nuclear reactor

    DOE Patents [OSTI]

    Gross, Kenny C.; Laug, Matthew T.

    1985-01-01

    The invention discloses the use of stable isotopes of neon and argon, that are grouped in preselected different ratios one to the other and are then sealed as tags in different cladded nuclear fuel elements to be used in a liquid metal fast breeder reactor. Failure of the cladding of any fuel element allows fission gases generated in the reaction and these tag isotopes to escape and to combine with the cover gas held in the reactor over the fuel elements. The isotopes specifically are Ne.sup.20, Ne.sup.21 and Ne.sup.22 of neon and Ar.sup.36, Ar.sup.38 and Ar.sup.40 of argon, and the cover gas is helium. Serially connected cryogenically operated charcoal beds are used to clean the cover gas and to separate out the tags. The first or cover gas cleanup bed is held between approximately 0.degree. and -25.degree. C. operable to remove the fission gases from the cover gas and tags and the second or tag recovery system bed is held between approximately -170.degree. and -185.degree. C. operable to isolate the tags from the cover gas. Spectrometric analysis further is used to identify the specific tags that are recovered, and thus the specific leaking fuel element. By cataloging the fuel element tags to the location of the fuel elements in the reactor, the location of the leaking fuel element can then be specifically determined.

  19. Improved gas tagging and cover gas combination for nuclear reactor

    DOE Patents [OSTI]

    Gross, K.C.; Laug, M.T.

    1983-09-26

    The invention discloses the use of stable isotopes of neon and argon, sealed as tags in different cladding nuclear fuel elements to be used in a liquid metal fast breeder reactor. Cladding failure allows fission gases and these tag isotopes to escape and to combine with the cover gas. The isotopes are Ne/sup 20/, Ne/sup 21/ and Ne/sup 22/ and Ar/sup 36/, Ar/sup 38/ and Ar/sup 40/, and the cover gas is He. Serially connected cryogenically operated charcoal beds are used to clean the cover gas and to separate out the tags. The first or cover gas cleanup bed is held between 0 and -25/sup 0/C to remove the fission gases from the cover gas and tags, and the second or tag recovery system bed between -170 and -185/sup 0/C to isolate the tags from the cover gas. Spectrometric analysis is used to identify the specific tags that are recovered, and thus the specific leaking fuel element. By cataloging the fuel element tags to the location of the fuel elements in the reactor, the location of the leaking fuel element can then be determined.

  20. Superconducting cable cooling system by helium gas at two pressures

    DOE Patents [OSTI]

    Dean, John W.

    1977-01-01

    Thermally contacting, oppositely streaming, cryogenic fluid streams in the same enclosure in a closed cycle that changes the fluid from a cool high pressure helium gas to a cooler reduced pressure helium gas in an expander so as to be at different temperature ranges and pressures respectively in go and return legs that are in thermal contact with each other and in thermal contact with a longitudinally extending superconducting transmission line enclosed in the same cable enclosure that insulates the line from the ambient at a temperature T.sub.1. By first circulating the fluid from a refrigerator at one end of the line as a cool gas at a temperature range T.sub.2 to T.sub.3 in the go leg, then circulating the gas through an expander at the other end of the line where the gas becomes a cooler gas at a reduced pressure and at a reduced temperature T.sub.4 and finally by circulating the cooler gas back again to the refrigerator in a return leg at a temperature range T.sub.4 to T.sub.5, while in thermal contact with the gas in the go leg, and in the same enclosure therewith for compression into a higher pressure gas at T.sub.2 in a closed cycle, where T.sub.2 >T.sub.3 and T.sub.5 >T.sub.4, the fluid leaves the enclosure in the go leg as a gas at its coldest point in the go leg, and the temperature distribution is such that the line temperature decreases along its length from the refrigerator due to the cooling from the gas in the return leg.

  1. System and method for converting wellhead gas to liquefied petroleum gases (LPG)

    SciTech Connect (OSTI)

    May, R.L.; Snow, N.J. Jr.

    1983-12-06

    A method of converting natural wellhead gas to liquefied petroleum gases (LPG) may comprise the steps of: separating natural gas from petroleum fluids exiting a well-head; compressing the natural gas; refrigerating the natural gas, liquefying at least a portion thereof; and separating LPG from gas vapors of the refrigerated natural gas. A system for performing the method may comprise: a two-stage gas compressor connected to the wellhead; a refrigeration unit downstream of the gas compressor for cooling the compressed gases therefrom; and a product separator downstream of the refrigeration unit for receiving cooled and compressed gases discharged from the refrigeration unit and separating LPG therein from gases remaining in vapor form.

  2. Opportunities for Micropower and Fuel Cell/Gas Turbine Hybrid Systems in

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

    Industrial Applications - Volume I, January 2000 | Department of Energy Opportunities for Micropower and Fuel Cell/Gas Turbine Hybrid Systems in Industrial Applications - Volume I, January 2000 Opportunities for Micropower and Fuel Cell/Gas Turbine Hybrid Systems in Industrial Applications - Volume I, January 2000 In this January 2000 report, Arthur D. Little provides an assessment of the opportunities for micropower and fuel cell/gas turbine hybrid technologies in the industrial sector for

  3. Cold box shuttle - a system for the recovery of offshore gas - applied to Sweden

    SciTech Connect (OSTI)

    Smith, D.; Eriksson, L.; Pehrsson, L.O.; Strom-Olsen, H.

    1982-01-01

    The recovery of offshore gas as LNG, by heat exchange on an LNG carrier with liquid nitrogen, was studied in the context of a North Sea gas source and a Swedish market. The technical suitability of each component of this cold-box shuttle system was examined and the capital and operating costs were estimated. It was concluded that the system is technically robust and flexible and that, for the case studied, gas could be landed at a competitive cost.

  4. Measurements of gas sorption from seawater and the influence of gas release on open-cycle ocean thermal energy conversion (OC-OTEC) system performance

    SciTech Connect (OSTI)

    Penney, T.R.; Althof, J.A.

    1985-06-01

    The technical community has questioned the validity and cost-effectiveness of open-cycle ocean thermal energy conversion (OC-OTEC) systems because of the unknown effect of noncondensable gas on heat exchanger performance and the power needed to run vacuum equipment to remove this gas. To date, studies of seawater gas desorption have not been prototypical for system level analysis. This study gives preliminary gas desorption data on a vertical spout, direct contact evaporator and multiple condenser geometries. Results indicate that dissolved gas can be substantially removed before the seawater enters the heat exchange process, reducing the uncertainty and effect of inert gas on heat exchanger performance.

  5. Gas chromatograph-mass spectrometer (GC/MS) system for quantitative analysis of reactive chemical compounds

    DOE Patents [OSTI]

    Grindstaff, Quirinus G.

    1992-01-01

    Described is a new gas chromatograph-mass spectrometer (GC/MS) system and method for quantitative analysis of reactive chemical compounds. All components of such a GC/MS system external to the oven of the gas chromatograph are programmably temperature controlled to operate at a volatilization temperature specific to the compound(s) sought to be separated and measured.

  6. Feed gas contaminant removal in ion transport membrane systems

    DOE Patents [OSTI]

    Underwood, Richard Paul; Makitka, III, Alexander; Carolan, Michael Francis

    2012-04-03

    An oxygen ion transport membrane process wherein a heated oxygen-containing gas having one or more contaminants is contacted with a reactive solid material to remove the one or more contaminants. The reactive solid material is provided as a deposit on a support. The one or more contaminant compounds in the heated oxygen-containing gas react with the reactive solid material. The contaminant-depleted oxygen-containing gas is contacted with a membrane, and oxygen is transported through the membrane to provide transported oxygen.

  7. Degradation of TBC Systems in Environments Relevant to Advanced Gas Turbines for IGCC Systems

    SciTech Connect (OSTI)

    Gleeson, Brian

    2014-09-30

    Air plasma sprayed (APS) thermal barrier coatings (TBCs) are used to provide thermal insulation for the hottest components in gas turbines. Zirconia stabilized with 7wt% yttria (7YSZ) is the most common ceramic top coat used for turbine blades. The 7YSZ coating can be degraded from the buildup of fly-ash deposits created in the power-generation process. Fly ash from an integrated gasification combined cycle (IGCC) system can result from coal-based syngas. TBCs are also exposed to harsh gas environments containing CO2, SO2, and steam. Degradation from the combined effects of fly ash and harsh gas atmospheres has the potential to severely limit TBC lifetimes. The main objective of this study was to use lab-scale testing to systematically elucidate the interplay between prototypical deposit chemistries (i.e., ash and its constituents, K2SO4, and FeS) and environmental oxidants (i.e., O2, H2O and CO2) on the degradation behavior of advanced TBC systems. Several mechanisms of early TBC failure were identified, as were the specific fly-ash constituents responsible for degradation. The reactivity of MCrAlY bondcoats used in TBC systems was also investigated. The specific roles of oxide and sulfate components were assessed, together with the complex interplay between gas composition, deposit chemistry and alloy reactivity. Bondcoat composition design strategies to mitigate corrosion were established, particularly with regard to controlling phase constitution and the amount of reactive elements the bondcoat contains in order to achieve optimal corrosion resistance.

  8. Deriving cleanup guidelines for radionuclides at Brookhaven National Laboratory

    SciTech Connect (OSTI)

    Meinhold, A.F.; Morris, S.C.; Dionne, B.; Moskowitz, P.D.

    1997-01-01

    Past activities at Brookhaven National Laboratory (BNL) resulted in soil and groundwater contamination. As a result, BNL was designated a Superfund site under the Comprehensive Environmental Response Compensation and Liability Act (CERCLA). BNL`s Office of Environmental Restoration (OER) is overseeing environmental restoration activities at the Laboratory. With the exception of radium, there are no regulations or guidelines to establish cleanup guidelines for radionuclides in soils at BNL. BNL must derive radionuclide soil cleanup guidelines for a number of Operable Units (OUs) and Areas of Concern (AOCs). These guidelines are required by DOE under a proposed regulation for radiation protection of public health and the environment as well as to satisfy the requirements of CERCLA. The objective of this report is to propose a standard approach to deriving risk-based cleanup guidelines for radionuclides in soil at BNL. Implementation of the approach is briefly discussed.

  9. EM Talks Cleanup Progress with State and Tribal Government Working Group |

    Office of Environmental Management (EM)

    Cleanup Sites Cleanup Sites Center Map As the largest environmental cleanup program in the world, EM has been charged with the responsibility of cleaning up 107 sites across the country whose area is equal to the combined area of Rhode Island and Delaware. To date, EM has made substantial progress in nearly every area of nuclear waste cleanup and completed cleanup at 91 of these sites. The "active" sites continue to have ongoing cleanup projects under EM's purview. Use the interactive

  10. Fuel Cell/Gas Turbine System Performance Studies

    Office of Scientific and Technical Information (OSTI)

    Natural gas, indirect-fired, carbonate fuel cell bottomed, combined cycle (NG-IFCFC) and the topping natural gassolid oxide fuel cell combined cycle (NG-SOFCCC) novel power plant ...

  11. Method for eliminating gas blocking in electrokinetic pumping systems

    DOE Patents [OSTI]

    Arnold, Don W.; Paul, Phillip H.; Schoeniger, Joseph S.

    2001-09-11

    A method for eliminating gas bubble blockage of current flow during operation of an electrokinetic pump. By making use of the ability to modify the surface charge on the porous dielectric medium used in electrokinetic pumps, it becomes possible to place electrodes away from the pressurized region of the electrokinetic pump. While gas is still generated at the electrodes they are situated such that the generated gas can escape into a larger buffer reservoir and not into the high pressure region of the pump where the gas bubbles can interrupt current flow. Various combinations of porous dielectric materials and ionic conductors can be used to create pumps that have desirable electrical, material handling, and flow attributes.

  12. Gas phase chemical detection with an integrated chemical analysis system

    SciTech Connect (OSTI)

    CASALNUOVO,STEPHEN A.; FRYE-MASON,GREGORY CHARLES; KOTTENSTETTE,RICHARD; HELLER,EDWIN J.; MATZKE,CAROLYN M.; LEWIS,PATRICK R.; MANGINELL,RONALD P.; BACA,ALBERT G.; HIETALA,VINCENT M.

    2000-04-12

    Microfabrication technology has been applied to the development of a miniature, multi-channel gas phase chemical laboratory that provides fast response, small size, and enhanced versatility and chemical discrimination. Each analysis channel includes a sample preconcentrator followed by a gas chromatographic separator and a chemically selective surface acoustic wave detector array to achieve high sensitivity and selectivity. The performance of the components, individually and collectively, is described.

  13. The Office of Environmental Management (EM) Defense Environmental Cleanup |

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

    Department of Energy (EM) Defense Environmental Cleanup The Office of Environmental Management (EM) Defense Environmental Cleanup PDF icon Microsoft Word - 271C2C7B.doc More Documents & Publications Microsoft Word - PSRP Updates 6-25-10_v2 Above on the left is K-25, at Oak Ridge before and after the 844,000 sq-ft demolition. In addition, on the right: K Cooling Tower at Savannah River Site demolition. Deactivation & Decommissioning (D&D) Program Map Microsoft Word - PSRP Updates

  14. IMPORTANT CLEANUP PROJECT TO RESUME AT IDAHO NATIONAL LABORATORY

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

    Contact: Jon Hanian (208) 334-2100 For Immediate Release: June 27, 2013 IMPORTANT CLEANUP PROJECT TO RESUME AT IDAHO NATIONAL LABORATORY (IDAHO FALLS) - Governor C.L. "Butch" Otter joined U.S. Department of Energy officials today in announcing that a critically important cleanup project will be resuming at the Idaho National Laboratory. The project involves the "legacy" radioactive and hazardous waste generated during Cold War weapons production in the 1950s and 1960s that

  15. Idaho Cleanup Project grows its workforce to complete ARRA work

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

    Idaho Cleanup Project grows its workforce to complete ARRA work CWI President and CEO John Fulton greets newly hired ICP employees at a June orientation session in Idaho Falls. Over a hundred new faces have already joined the Idaho Cleanup Project (ICP) workforce, both in offices and at work sites across DOE's Idaho Site. The ICP is ramping up its workforce to complete new work scope assigned to the ICP under the American Recovery and Reinvestment Act (ARRA). As of June 27, 143 new workers have

  16. DOE Awards Technical Assistance Contract for Moab Mill Tailings Cleanup |

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

    Department of Energy Technical Assistance Contract for Moab Mill Tailings Cleanup DOE Awards Technical Assistance Contract for Moab Mill Tailings Cleanup May 31, 2012 - 12:00pm Addthis Media Contact Bill Taylor bill.taylor@srs.gov 803-952-8564 Cincinnati-The U.S. Department of Energy (DOE) today announced the award of an $18 million small disadvantaged business contract with S&K Aerospace, LLC, of St. Ignatius, Montana to continue to provide technical assistance services for the Moab

  17. Recovery Act funds advance cleanup efforts at Cold War site

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

    Cleanup efforts at Cold War site Recovery Act funds advance cleanup efforts at Cold War site A local small business, ARSEC Environmental, LLC, of White Rock, NM, won a $2 million task order in April to perform this work. June 29, 2010 Los Alamos National Laboratory sits on top of a once-remote mesa in northern New Mexico with the Jemez mountains as a backdrop to research and innovation covering multi-disciplines from bioscience, sustainable energy sources, to plasma physics and new materials.

  18. F Reactor Area Cleanup Complete | Department of Energy

    Office of Environmental Management (EM)

    F Reactor Area Cleanup Complete F Reactor Area Cleanup Complete September 19, 2012 - 12:00pm Addthis Media Contact Cameron Hardy, DOE Cameron.Hardy@rl.doe.gov 509-376-5365 RICHLAND, Wash. - U.S. Department of Energy (DOE) contractors have cleaned up the F Reactor Area, the first reactor area at the Hanford Site in southeastern Washington state to be fully remediated. While six of Hanford's nine plutonium production reactors have been sealed up, or cocooned, the F Reactor Area is the first to

  19. Manhattan Project truck unearthed at landfill cleanup site

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

    Manhattan project truck Manhattan Project truck unearthed at landfill cleanup site A LANL excavation crew working on a Recovery Act cleanup project has uncovered the remnants of a 1940s military truck buried in a Manhattan Project-era landfill. April 8, 2011 image description Excavator operator Kevin Miller looks at the remnants of a 1940s military truck buried in a Manhattan Project-era landfill. Contact Fred deSousa Communications Office (505) 665-3430 Email Remnants of a 1940s military truck

  20. Mercury cleanup efforts intensify | Y-12 National Security Complex

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

    Mercury cleanup efforts ... Mercury cleanup efforts intensify Posted: February 11, 2013 - 3:31pm | Y-12 Report | Volume 9, Issue 2 | 2013 Millions of pounds of mercury were required to support Y-12's post-World War II mission of separating lithium isotopes. Cleaning up the toxic heavy metal poses many challenges, but what Y-12 is learning could help conquer mercury pollution worldwide. There's a reason you won't find mercury in many thermometers these days. Mercury is a heavy metal that occurs

  1. EM's Defense Waste Processing Facility Achieves Waste Cleanup Milestone |

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

    Department of Energy Defense Waste Processing Facility Achieves Waste Cleanup Milestone EM's Defense Waste Processing Facility Achieves Waste Cleanup Milestone January 14, 2016 - 12:10pm Addthis The Defense Waste Processing Facility. The Defense Waste Processing Facility. If 4,000 of the 10-feet tall, 2-feet wide canisters were laid end to end, they would stretch more than 7.5 miles. If 4,000 of the 10-feet tall, 2-feet wide canisters were laid end to end, they would stretch more than 7.5

  2. U.S. Department of Energy Keeps Its Cleanup Commitments

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

    U.S. Department of Energy Keeps Its Cleanup Commitments By ELIZABETH SELLERS As significant progress continues on cleanup of legacy environmental challenges at the Idaho National Laboratory, there are two points I'd like to emphasize: Workers sort previously-buried waste. Inside of underground waste storage tank after cleaning was completed ready for grouting to begin. The U.S. Department of Energy is keeping its promises to Idahoans. In the last 20 years, DOE has met, on time or ahead of

  3. SULFUR REMOVAL FROM PIPE LINE NATURAL GAS FUEL: APPLICATION TO FUEL CELL POWER GENERATION SYSTEMS

    SciTech Connect (OSTI)

    King, David L.; Birnbaum, Jerome C.; Singh, Prabhakar

    2003-11-21

    Pipeline natural gas is being considered as the fuel of choice for utilization in fuel cell-based distributed generation systems because of its abundant supply and the existing supply infrastructure (1). For effective utilization in fuel cells, pipeline gas requires efficient removal of sulfur impurities (naturally occurring sulfur compounds or sulfur bearing odorants) to prevent the electrical performance degradation of the fuel cell system. Sulfur odorants such as thiols and sulfides are added to pipeline natural gas and to LPG to ensure safe handling during transportation and utilization. The odorants allow the detection of minute gas line leaks, thereby minimizing the potential for explosions or fires.

  4. Gas mixing system for imaging of nanomaterials under dynamic environments by environmental transmission electron microscopy

    SciTech Connect (OSTI)

    Akatay, M. Cem; Zvinevich, Yury; Ribeiro, Fabio H. E-mail: estach@bnl.gov; Baumann, Philipp; Stach, Eric A. E-mail: estach@bnl.gov

    2014-03-15

    A gas mixing manifold system that is capable of delivering a stable pressure stream of a desired composition of gases into an environmental transmission electron microscope has been developed. The system is designed to provide a stable imaging environment upon changes of either the composition of the gas mixture or upon switching from one gas to another. The design of the system is described and the response of the pressure inside the microscope, the sample temperature, and sample drift in response to flow and composition changes of the system are reported.

  5. Inert gas rejection device for zinc-halogen battery systems

    DOE Patents [OSTI]

    Hammond, Michael J.; Arendell, Mark W.

    1981-01-01

    An electrolytic cell for separating chlorine gas from other (foreign) gases, having an anode, a cathode assembly, an aqueous electrolyte, a housing, and a constant voltage power supply. The cathode assembly is generally comprised of a dense graphite electrode having a winding channel formed in the face opposing the anode, a gas impermeable (but liquid permeable) membrane sealed into the side of the cathode electrode over the channel, and a packing of graphite particles contained in the channel of the cathode electrode. The housing separates and parallelly aligns the anode and cathode assembly, and provides a hermetic seal for the cell. In operation, a stream of chlorine and foreign gases enters the cell at the beginning of the cathode electrode channel. The chlorine gas is dissolved into the electrolyte and electrochemically reduced into chloride ions. The chloride ions disfuse through the gas impermeable membrane, and are electrochemically oxidized at the anode into purified chlorine gas. The foreign gases do not participate in the above electrochemical reactions, and are vented from the cell at the end of the cathode electrode channel.

  6. System and method to determine thermophysical properties of a multi-component gas

    DOE Patents [OSTI]

    Morrow, Thomas B.; Behring, II, Kendricks A.

    2003-08-05

    A system and method to characterize natural gas hydrocarbons using a single inferential property, such as standard sound speed, when the concentrations of the diluent gases (e.g., carbon dioxide and nitrogen) are known. The system to determine a thermophysical property of a gas having a first plurality of components comprises a sound velocity measurement device, a concentration measurement device, and a processor to determine a thermophysical property as a function of a correlation between the thermophysical property, the speed of sound, and the concentration measurements, wherein the number of concentration measurements is less than the number of components in the gas. The method includes the steps of determining the speed of sound in the gas, determining a plurality of gas component concentrations in the gas, and determining the thermophysical property as a function of a correlation between the thermophysical property, the speed of sound, and the plurality of concentrations.

  7. Anode shroud for off-gas capture and removal from electrolytic oxide reduction system

    DOE Patents [OSTI]

    Bailey, James L.; Barnes, Laurel A.; Wiedmeyer, Stanley G.; Williamson, Mark A.; Willit, James L.

    2014-07-08

    An electrolytic oxide reduction system according to a non-limiting embodiment of the present invention may include a plurality of anode assemblies and an anode shroud for each of the anode assemblies. The anode shroud may be used to dilute, cool, and/or remove off-gas from the electrolytic oxide reduction system. The anode shroud may include a body portion having a tapered upper section that includes an apex. The body portion may have an inner wall that defines an off-gas collection cavity. A chimney structure may extend from the apex of the upper section and be connected to the off-gas collection cavity of the body portion. The chimney structure may include an inner tube within an outer tube. Accordingly, a sweep gas/cooling gas may be supplied down the annular space between the inner and outer tubes, while the off-gas may be removed through an exit path defined by the inner tube.

  8. Advanced coal-fueled industrial cogeneration gas turbine system particle removal system development

    SciTech Connect (OSTI)

    Stephenson, M.

    1994-03-01

    Solar Turbines developed a direct coal-fueled turbine system (DCFT) and tested each component in subscale facilities and the combustion system was tested at full-scale. The combustion system was comprised of a two-stage slagging combustor with an impact separator between the two combustors. Greater than 90 percent of the native ash in the coal was removed as liquid slag with this system. In the first combustor, coal water slurry mixture (CWM) was injected into a combustion chamber which was operated loan to suppress NO{sub x} formation. The slurry was introduced through four fuel injectors that created a toroidal vortex because of the combustor geometry and angle of orientation of the injectors. The liquid slag that was formed was directed downward toward an impaction plate made of a refractory material. Sixty to seventy percent of the coal-borne ash was collected in this fashion. An impact separator was used to remove additional slag that had escaped the primary combustor. The combined particulate collection efficiency from both combustors was above 95 percent. Unfortunately, a great deal of the original sulfur from the coal still remained in the gas stream and needed to be separated. To accomplish this, dolomite or hydrated lime were injected in the secondary combustor to react with the sulfur dioxide and form calcium sulfite and sulfates. This solution for the sulfur problem increased the dust concentrations to as much as 6000 ppmw. A downstream particulate control system was required, and one that could operate at 150 psia, 1850-1900{degrees}F and with low pressure drop. Solar designed and tested a particulate rejection system to remove essentially all particulate from the high temperature, high pressure gas stream. A thorough research and development program was aimed at identifying candidate technologies and testing them with Solar`s coal-fired system. This topical report summarizes these activities over a period beginning in 1987 and ending in 1992.

  9. JISEA News: Study on Methane Emissions from Natural Gas Systems Indicates

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

    New Priorities - News Releases | NREL JISEA News: Study on Methane Emissions from Natural Gas Systems Indicates New Priorities Study findings published in Policy Forum of Journal Science February 18, 2014 A new study published in the journal Science says that the total impact of switching to natural gas depends heavily on leakage of methane (CH4) during the natural gas life cycle, and suggests that more can be done to reduce methane emissions and to improve measurement tools which help

  10. Development of Fuel-Flexible Combustion Systems Utilizing Opportunity Fuels in Gas Turbines

    SciTech Connect (OSTI)

    2008-12-01

    General Electric Global Research will define, develop, and test new fuel nozzle technology concepts for gas turbine operation on a wide spectrum of opportunity fuels and/or fuel blends. This will enable gas turbine operation on ultra-low Btu fuel streams such as very weak natural gas, highly-diluted industrial process gases, or gasified waste streams that are out of the capability range of current turbine systems.

  11. Gas Phase Chemical Detection with an Integrated Chemical Analysis System

    SciTech Connect (OSTI)

    Baca, Albert G.; Casalnuovo, Stephen A.; Frye-Mason, Gregory C.; Heller, Edwin J.; Hietala, Susan L.; Hietala, Vincent M.; Kottenstette, Richard J.; Lewis, Patrick R.; Manginell, Ronald P.; Matzke, Carloyn M.; Reno, John L.; Sasaki, Darryl Y.; Schubert, W. Kent

    1999-07-08

    Microfabrication technology has been applied to the development of a miniature, multi-channel gas phase chemical laboratory that provides fast response, small size, and enhanced versatility and chemical discrimination. Each analysis channel includes a sample concentrator followed by a gas chromatographic separator and a chemically selective surface acoustic wave detector array to achieve high sensitivity and selectivity. The performance of the components, individually and collectively, is described. The design and performance of novel micromachined acoustic wave devices, with the potential for improved chemical sensitivity, are also described.

  12. System and method for converting wellhead gas to liquefied petroleum gases (LPG)

    SciTech Connect (OSTI)

    May, R.L.; Sinclair, B.W.

    1984-07-31

    A method of converting natural wellhead gas to liquefied petroleum gases (LPG) may comprise the steps of: separating natural gas from petroleum fluids exiting a wellhead; compressing the natural gas; refrigerating the natural gas, liquefying at least a portion thereof; separating LPG from gas vapors of the refrigerated natural gas; storing the separated LPG in a storage tank with a vapor space therein; and recirculating a portion of the LPG vapors in the storage tank with the natural gas exiting the wellhead to enhance recovery of LPG. A system for performing the method may comprise: a two-stage gas compressor connected to the wellhead; a refrigeration unit downstream of the gas compressor for refrigerating the compressed gases therefrom; at least one product separator downstream of the refrigerator unit for receiving refrigerated and compressed gases discharged from the refrigerator unit and separating LPG therein from gases remaining in vapor form; and a storage tank for receiving and storing the separated LPG therein, the storage tank having a vapor space therein connected upstream of the gas compressor through a pressure regulator allowing recirculation of some LPG vapors with the natural gases through said system.

  13. Flibe Coolant Cleanup and Processing in the HYLIFE-II Inertial...

    Office of Scientific and Technical Information (OSTI)

    Flibe Coolant Cleanup and Processing in the HYLIFE-II Inertial Fusion Energy Power Plant Citation Details In-Document Search Title: Flibe Coolant Cleanup and Processing in the ...

  14. Technical papers presented at a DOE meeting on criteria for cleanup of transuranium elements in soil

    SciTech Connect (OSTI)

    Not Available

    1984-09-01

    Transuranium element soil contamination cleanup experience gained from nuclear weapons accidents and cleanup at Eniwetok Atoll was reviewed. Presentations have been individually abstracted for inclusion in the data base. (ACR)

  15. DOE and NASA Reach Cleanup Agreements with the State of California...

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

    NASA Reach Cleanup Agreements with the State of California for the Santa Susana Field Laboratory DOE and NASA Reach Cleanup Agreements with the State of California for the Santa ...

  16. West Valley Site History, Cleanup Status, and Role of the West...

    Office of Environmental Management (EM)

    Site History, Cleanup Status, and Role of the West Valley Citizen Task Force West Valley Site History, Cleanup Status, and Role of the West Valley Citizen Task Force Presentation...

  17. Los Alamos Lab to perform slope-side cleanup near Smith's Marketplace

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

    Los Alamos Lab to perform slope-side cleanup near Smith's Marketplace Los Alamos National Laboratory to perform slope-side cleanup near Smith's Marketplace The Lab is performing a ...

  18. Assistant Secretary Regalbuto Lays out Vision, Priorities to Advance Cleanup for EM Program

    Broader source: Energy.gov [DOE]

    DOE Assistant Secretary for Environmental Management Monica Regalbuto shared her vision for EM, laid out cleanup priorities, and emphasized the need to better leverage technology development to reduce costs in her address at DOE’s first National Cleanup Workshop.

  19. Agencies announce third site-wide five-year review of cleanup...

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

    five-year review of cleanup at the U.S. Department of Energy's Idaho Site. Five-year reviews evaluate the protectiveness of completed and ongoing cleanup actions as required...

  20. PROGRESS & CHALLENGES IN CLEANUP OF HANFORDS TANK WASTES

    SciTech Connect (OSTI)

    HEWITT, W.M.; SCHEPENS, R.

    2006-01-23

    The River Protection Project (RPP), which is managed by the Department of Energy (DOE) Office of River Protection (ORP), is highly complex from technical, regulatory, legal, political, and logistical perspectives and is the largest ongoing environmental cleanup project in the world. Over the past three years, ORP has made significant advances in its planning and execution of the cleanup of the Hartford tank wastes. The 149 single-shell tanks (SSTs), 28 double-shell tanks (DSTs), and 60 miscellaneous underground storage tanks (MUSTs) at Hanford contain approximately 200,000 m{sup 3} (53 million gallons) of mixed radioactive wastes, some of which dates back to the first days of the Manhattan Project. The plan for treating and disposing of the waste stored in large underground tanks is to: (1) retrieve the waste, (2) treat the waste to separate it into high-level (sludge) and low-activity (supernatant) fractions, (3) remove key radionuclides (e.g., Cs-137, Sr-90, actinides) from the low-activity fraction to the maximum extent technically and economically practical, (4) immobilize both the high-level and low-activity waste fractions by vitrification, (5) interim store the high-level waste fraction for ultimate disposal off-site at the federal HLW repository, (6) dispose the low-activity fraction on-site in the Integrated Disposal Facility (IDF), and (7) close the waste management areas consisting of tanks, ancillary equipment, soils, and facilities. Design and construction of the Waste Treatment and Immobilization Plant (WTP), the cornerstone of the RPP, has progressed substantially despite challenges arising from new seismic information for the WTP site. We have looked closely at the waste and aligned our treatment and disposal approaches with the waste characteristics. For example, approximately 11,000 m{sup 3} (2-3 million gallons) of metal sludges in twenty tanks were not created during spent nuclear fuel reprocessing and have low fission product concentrations. We plan to treat these wastes as transuranic waste (TRU) for disposal at the Waste Isolation Pilot Plant (WIPP), which will reduce the WTP system processing time by three years. We are also developing and testing bulk vitrification as a technology to supplement the WTP LAW vitrification facility for immobilizing the massive volume of LAW. We will conduct a full-scale demonstration of the Demonstration Bulk Vitrification System by immobilizing up to 1,100 m{sup 3} (300,000 gallons) of tank S-109 low-curie soluble waste from which Cs-137 had previously been removed. This past year has been marked by both progress and new challenges. The focus of our tank farm work has been retrieving waste from the old single-shell tanks (SSTs). We have completed waste retrieval from three SSTs and are conducting retrieval operations on an additional three SSTs. While most waste retrievals have gone about as expected, we have faced challenges with some recalcitrant tank heel wastes that required enhanced approaches. Those enhanced approaches ranged from oxalic acid additions to deploying a remote high-pressure water lance. As with all large, long-term projects that employ first of a kind technologies, we continue to be challenged to control costs and maintain schedule. However, it is most important to work safely and to provide facilities that will do the job they are intended to do.

  1. Ion transport membrane reactor systems and methods for producing synthesis gas

    DOE Patents [OSTI]

    Repasky, John Michael

    2015-05-12

    Embodiments of the present invention provide cost-effective systems and methods for producing a synthesis gas product using a steam reformer system and an ion transport membrane (ITM) reactor having multiple stages, without requiring inter-stage reactant injections. Embodiments of the present invention also provide techniques for compensating for membrane performance degradation and other changes in system operating conditions that negatively affect synthesis gas production.

  2. Cleanup Verification Package for the 118-F-6 Burial Ground

    SciTech Connect (OSTI)

    H. M. Sulloway

    2008-10-02

    This cleanup verification package documents completion of remedial action for the 118-F-6 Burial Ground located in the 100-FR-2 Operable Unit of the 100-F Area on the Hanford Site. The trenches received waste from the 100-F Experimental Animal Farm, including animal manure, animal carcasses, laboratory waste, plastic, cardboard, metal, and concrete debris as well as a railroad tank car.

  3. Head of EM to Kick Off Congressional Nuclear Cleanup Caucus

    Broader source: Energy.gov [DOE]

    WASHINGTON, D.C. – EM Senior Advisor Dave Huizenga will provide an overview of EM’s proposed fiscal year 2014 budget Thursday in the first of six briefings for the 19th annual U.S. House Nuclear Cleanup Caucus.

  4. Enewetak fact book (a resume of pre-cleanup information)

    SciTech Connect (OSTI)

    Bliss, W.

    1982-09-01

    The book contains a group of short treatises on the precleanup condition of the islands in Enewetak Atoll. Their purpose was to provide brief guidance to the radiological history and radiological condition of the islands for use in cleanup of the atoll. (ACR)

  5. Oak Ridge EM Program Increases Focus on Mercury Cleanup

    Broader source: Energy.gov [DOE]

    OAK RIDGE, Tenn. – EM Senior Advisor Dave Huizenga recently joined local lawmakers and state and federal officials to announce their partnership to increase focus on cleanup of mercury — one of Oak Ridge’s greatest environmental threats — at the Y-12 National Security Complex.

  6. National Nuclear Security Administration Official Tours Cleanup Operations for Navy

    Broader source: Energy.gov [DOE]

    RICHLAND, Wash. – Adm. James F. Caldwell Jr., director of the DOE National Nuclear Security Administration’s Naval Nuclear Propulsion Program, recently toured the Hanford Site cleanup activities managed by EM’s Richland Operations Office (RL). RL Manager Stacy Charboneau welcomed Caldwell to the site.

  7. EM Delegation Tours UK Cleanup Program’s Sellafield Site

    Broader source: Energy.gov [DOE]

    A senior-level EM delegation led by Associate Principal Deputy Assistant Secretary Alice Williams visited the United Kingdom’s Sellafield nuclear site to gain insight into the cleanup projects and facilities under the jurisdiction of the UK’s Nuclear Decommissioning Authority (NDA).

  8. Site Transition Process upon Completion of the Cleanup Mission: Fact Sheet

    Energy Savers [EERE]

    (September 2013) | Department of Energy Process upon Completion of the Cleanup Mission: Fact Sheet (September 2013) Site Transition Process upon Completion of the Cleanup Mission: Fact Sheet (September 2013) DOE's internal site transition process for Cleanup to long-term stewardship, post-cleanup, and post-closure has been established in transition guidance for sites that will transfer to a Landlord Program Secretarial Office or to Legacy Management for long-term stewardship. PDF icon Site

  9. 2015 U.S. Department of Energy National Cleanup Workshop Registration List

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

    | Department of Energy 5 U.S. Department of Energy National Cleanup Workshop Registration List 2015 U.S. Department of Energy National Cleanup Workshop Registration List List of registered attendees to the 2015 U.S. Department of Energy National Cleanup Workshop. PDF icon 2015 U.S. Department of Energy National Cleanup Workshop Registration List More Documents & Publications Business Opportunity Forum Attendees EM Major Contracts Awarded Since 2006 Contractor Earned Value Management

  10. Workers at Hanford Site Achieve Recovery Act Legacy Cleanup Goals Ahead of Schedule

    Broader source: Energy.gov [DOE]

    The Hanford Site recently surpassed American Recovery and Reinvestment Act goals to accelerate the cleanup of legacy waste and fuels.

  11. Ion transport membrane module and vessel system with directed internal gas flow

    DOE Patents [OSTI]

    Holmes, Michael Jerome; Ohrn, Theodore R.; Chen, Christopher Ming-Poh

    2010-02-09

    An ion transport membrane system comprising (a) a pressure vessel having an interior, an inlet adapted to introduce gas into the interior of the vessel, an outlet adapted to withdraw gas from the interior of the vessel, and an axis; (b) a plurality of planar ion transport membrane modules disposed in the interior of the pressure vessel and arranged in series, each membrane module comprising mixed metal oxide ceramic material and having an interior region and an exterior region; and (c) one or more gas flow control partitions disposed in the interior of the pressure vessel and adapted to change a direction of gas flow within the vessel.

  12. DOE Completes Cleanup at New York, California Sites- Recovery Act funds accelerate cleanup; support job creation and footprint reduction

    Broader source: Energy.gov [DOE]

    WASHINGTON, D.C. – Last month, the U.S. Department of Energy completed the cleanup of Cold War legacy waste at the Nuclear Radiation Development, LLC (NRD) site near Grand Island, New York, and at the Lawrence Berkeley National Laboratory in Berkeley, California.

  13. Development of a Small-Scale Natural Gas Liquefier. Final Report

    SciTech Connect (OSTI)

    Kountz, K.; Kriha, K.; Liss, W.; Perry, M.; Richards, M.; Zuckerman, D.

    2003-04-30

    This final report describes the progress during the contract period March 1, 1998 through April 30, 2003, on the design, development, and testing of a novel mixed-refrigerant-based 1000 gal/day natural gas liquefier, together with the associated gas cleanup equipment. Based on the work, it is concluded that a cost-effective 1000 gal/day liquefaction system is technically and economically feasible. A unit based on the same developed technology, with 5000 gal/day capacity, would have much improved economics.

  14. Model documentation: Natural gas transmission and distribution model of the National Energy Modeling System. Volume 1

    SciTech Connect (OSTI)

    1995-02-17

    The Natural Gas Transmission and Distribution Model (NGTDM) is the component of the National Energy Modeling System (NEMS) that is used to represent the domestic natural gas transmission and distribution system. NEMS was developed in the Office of integrated Analysis and Forecasting of the Energy information Administration (EIA). NEMS is the third in a series of computer-based, midterm energy modeling systems used since 1974 by the EIA and its predecessor, the Federal Energy Administration, to analyze domestic energy-economy markets and develop projections. The NGTDM is the model within the NEMS that represents the transmission, distribution, and pricing of natural gas. The model also includes representations of the end-use demand for natural gas, the production of domestic natural gas, and the availability of natural gas traded on the international market based on information received from other NEMS models. The NGTDM determines the flow of natural gas in an aggregate, domestic pipeline network, connecting domestic and foreign supply regions with 12 demand regions. The methodology employed allows the analysis of impacts of regional capacity constraints in the interstate natural gas pipeline network and the identification of pipeline capacity expansion requirements. There is an explicit representation of core and noncore markets for natural gas transmission and distribution services, and the key components of pipeline tariffs are represented in a pricing algorithm. Natural gas pricing and flow patterns are derived by obtaining a market equilibrium across the three main elements of the natural gas market: the supply element, the demand element, and the transmission and distribution network that links them. The NGTDM consists of four modules: the Annual Flow Module, the Capacity F-expansion Module, the Pipeline Tariff Module, and the Distributor Tariff Module. A model abstract is provided in Appendix A.

  15. Control Scheme Modifications Increase Efficiency of Steam Generation System at Exxon Mobil Gas Plant

    SciTech Connect (OSTI)

    2002-01-01

    This case study highlights control scheme modifications made to the steam system at ExxonMobil's Mary Ann Gas Plant in Mobile, Alabama, which improved steam flow efficiency and reduced energy costs.

  16. Fact Sheet: Advanced Natural Gas Systems Manufacturing R&D initiative

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

    Fact Sheet: Advanced Natural Gas Systems Manufacturing R&D initiative 1 of 1 Summary: DOE will launch a collaborative effort with industry to evaluate and scope high- impact ...

  17. Feasibility study: utilization of landfill gas for a vehicle fuel system, Rossman's landfill, Clackamas County, Oregon

    SciTech Connect (OSTI)

    1981-01-01

    In 1978, a landfill operator in Oregon became interested in the technical and economic feasibility of recovering the methane generated in the landfill for the refueling of vehicles. DOE awarded a grant for a site-specific feasibility study of this concept. This study investigated the expected methane yield and the development of a conceptual gas-gathering system; gas processing, compressing, and storage systems; and methane-fueled vehicle systems. Cost estimates were made for each area of study. The results of the study are presented. Reasoning that gasoline prices will continue to rise and that approximately 18,000 vehicles in the US have been converted to operate on methane, a project is proposed to use this landfill as a demonstration site to produce and process methane and to fuel a fleet (50 to 400) vehicles with the gas produced in order to obtain performance and economic data on the systems used from gas collection through vehicle operation. (LCL)

  18. Cleanup Contractor Achieves 'Elite' Nuclear Material Accountability...

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

    ... They are being stored at the site for future recovery of UF6 material during plant decommissioning when systems are in place to remove the material safely and economically. LATA ...

  19. Use of GTE-65 gas turbine power units in the thermal configuration of steam-gas systems for the refitting of operating thermal electric power plants

    SciTech Connect (OSTI)

    Lebedev, A. S.; Kovalevskii, V. P.; Getmanov, E. A.; Ermaikina, N. A.

    2008-07-15

    Thermal configurations for condensation, district heating, and discharge steam-gas systems (PGU) based on the GTE-65 gas turbine power unit are described. A comparative multivariant analysis of their thermodynamic efficiency is made. Based on some representative examples, it is shown that steam-gas systems with the GTE-65 and boiler-utilizer units can be effectively used and installed in existing main buildings during technical refitting of operating thermal electric power plants.

  20. Impact of Regulatory Change to Coordinate Gas Pipelines and Power Systems

    Office of Scientific and Technical Information (OSTI)

    (Conference) | SciTech Connect Conference: Impact of Regulatory Change to Coordinate Gas Pipelines and Power Systems Citation Details In-Document Search Title: Impact of Regulatory Change to Coordinate Gas Pipelines and Power Systems Authors: Carter, Richard [1] ; Zlotnik, Anatoly V. [2] ; Backhaus, Scott N. [2] ; Chertkov, Michael [2] ; Daniels, Andrew [1] ; Hollis, Alex [1] ; Giacomoni, Anthony [3] + Show Author Affiliations DNV-GL Los Alamos National Laboratory ISO New England Publication

  1. Fact Sheet: Advanced Natural Gas Systems Manufacturing R&D initiative

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

    Fact Sheet: Advanced Natural Gas Systems Manufacturing R&D initiative 1 of 1 Summary: DOE will launch a collaborative effort with industry to evaluate and scope high- impact manufacturing R&D to improve natural gas system efficiency and reduce leaks with the goal of establishing an advanced manufacturing initiative. This will include a formal request for information, public workshops, and technical analysis and will leverage technology development areas already in progress through DOE's

  2. Mid-South Metallurgical Makes Electrical and Natural Gas System Upgrades to

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

    Reduce Energy Use and Achieve Cost Savings | Department of Energy Mid-South Metallurgical Makes Electrical and Natural Gas System Upgrades to Reduce Energy Use and Achieve Cost Savings Mid-South Metallurgical Makes Electrical and Natural Gas System Upgrades to Reduce Energy Use and Achieve Cost Savings This case study describes how Mid-South Metallurgical implemented several recommendations resulting from a plant-wide energy assessment from DOE's Industrial Assessment Center (IAC) at

  3. Hybrid lean premixing catalytic combustion system for gas turbines

    DOE Patents [OSTI]

    Critchley, Ian L.

    2003-12-09

    A system and method of combusting a hydrocarbon fuel is disclosed. The system combines the accuracy and controllability of an air staging system with the ultra-low emissions achieved by catalytic combustion systems without the need for a pre-heater. The result is a system and method that is mechanically simple and offers ultra-low emissions over a wide range of power levels, fuel properties and ambient operating conditions.

  4. Avoiding Carbon Bed Hot Spots in Thermal Process Off-Gas Systems

    Office of Scientific and Technical Information (OSTI)

    (Conference) | SciTech Connect Conference: Avoiding Carbon Bed Hot Spots in Thermal Process Off-Gas Systems Citation Details In-Document Search Title: Avoiding Carbon Bed Hot Spots in Thermal Process Off-Gas Systems Mercury has had various uses in nuclear fuel reprocessing and other nuclear processes, and so is often present in radioactive and mixed (radioactive and hazardous) wastes. Test programs performed in recent years have shown that mercury in off-gas streams from processes that treat

  5. Optimization problems in natural gas transportation systems. A state-of-the-art review

    SciTech Connect (OSTI)

    Ríos-Mercado, Roger Z.; Borraz-Sánchez, Conrado

    2015-03-24

    Our paper provides a review on the most relevant research works conducted to solve natural gas transportation problems via pipeline systems. The literature reveals three major groups of gas pipeline systems, namely gathering, transmission, and distribution systems. In this work, we aim at presenting a detailed discussion of the efforts made in optimizing natural gas transmission lines.There is certainly a vast amount of research done over the past few years on many decision-making problems in the natural gas industry and, specifically, in pipeline network optimization. In this work, we present a state-of-the-art survey focusing on specific categories that include short-term basis storage (line-packing problems), gas quality satisfaction (pooling problems), and compressor station modeling (fuel cost minimization problems). We also discuss both steady-state and transient optimization models highlighting the modeling aspects and the most relevant solution approaches known to date. Although the literature on natural gas transmission system problems is quite extensive, this is, to the best of our knowledge, the first comprehensive review or survey covering this specific research area on natural gas transmission from an operations research perspective. Furthermore, this paper includes a discussion of the most important and promising research areas in this field. Hence, our paper can serve as a useful tool to gain insight into the evolution of the many real-life applications and most recent advances in solution methodologies arising from this exciting and challenging research area of decision-making problems.

  6. DOE's First National Cleanup Workshop Set for Sept. 29-30 | Department of

    Energy Savers [EERE]

    Energy First National Cleanup Workshop Set for Sept. 29-30 DOE's First National Cleanup Workshop Set for Sept. 29-30 July 31, 2015 - 3:00pm Addthis DOE National Cleanup Workshop DOE National Cleanup Workshop WASHINGTON, D.C. - DOE, in cooperation with the Energy Communities Alliance, Energy Facility Contractors Group, and Nuclear Energy Institute, will hold the first DOE National Cleanup Workshop Sept. 29 and 30 this year in the Washington, D.C. area. The workshop brings together senior DOE

  7. Operating experience review of an INL gas monitoring system

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

    Cadwallader, Lee C.; DeWall, K. G.; Herring, J. S.

    2015-03-01

    This article describes the operations of several types of gas monitors in use at the Idaho National Laboratory (INL) High Temperature Electrolysis Experiment (HTE) laboratory. The gases monitored in the lab room are hydrogen, carbon monoxide, carbon dioxide, and oxygen. The operating time, calibration, and both actual and unwanted alarms are described. The calibration session time durations are described. Some simple calculations are given to estimate the reliability of these monitors and the results are compared to operating experiences of other types of monitors.

  8. Lattice gas automata for flow and transport in geochemical systems

    SciTech Connect (OSTI)

    Janecky, D.R.; Chen, S.; Dawson, S.; Eggert, K.C.; Travis, B.J.

    1992-05-01

    Lattice gas automata models are described, which couple solute transport with chemical reactions at mineral surfaces within pore networks. Diffusion in a box calculations are illustrated, which compare directly with Fickian diffusion. Chemical reactions at solid surfaces, including precipitation/dissolution, sorption, and catalytic reaction, can be examined with the model because hydrodynamic transport, solute diffusion and mineral surface processes are all treated explicitly. The simplicity and flexibility of the approach provides the ability to study the interrelationship between fluid flow and chemical reactions in porous materials, at a level of complexity that has not previously been computationally possible.

  9. Lattice gas automata for flow and transport in geochemical systems

    SciTech Connect (OSTI)

    Janecky, D.R.; Chen, S.; Dawson, S.; Eggert, K.C.; Travis, B.J.

    1992-01-01

    Lattice gas automata models are described, which couple solute transport with chemical reactions at mineral surfaces within pore networks. Diffusion in a box calculations are illustrated, which compare directly with Fickian diffusion. Chemical reactions at solid surfaces, including precipitation/dissolution, sorption, and catalytic reaction, can be examined with the model because hydrodynamic transport, solute diffusion and mineral surface processes are all treated explicitly. The simplicity and flexibility of the approach provides the ability to study the interrelationship between fluid flow and chemical reactions in porous materials, at a level of complexity that has not previously been computationally possible.

  10. Operating experience review of an INL gas monitoring system

    SciTech Connect (OSTI)

    Cadwallader, Lee C.; DeWall, K. G.; Herring, J. S.

    2015-03-12

    This article describes the operations of several types of gas monitors in use at the Idaho National Laboratory (INL) High Temperature Electrolysis Experiment (HTE) laboratory. The gases monitored in the lab room are hydrogen, carbon monoxide, carbon dioxide, and oxygen. The operating time, calibration, and both actual and unwanted alarms are described. The calibration session time durations are described. In addition, some simple calculations are given to estimate the reliability of these monitors and the results are compared to operating experiences of other types of monitors.

  11. Particle trap for compressed gas insulated transmission systems

    DOE Patents [OSTI]

    Cookson, A.H.

    1984-04-26

    A particle trap is provided for gas insulated transmission lines having a central high voltage conductor supported within an outer coaxial conductive sheath by a dielectric support member. A cavity between the inner conductor and outer sheath is filled with a dielectric insulating gas. A cone-like particle deflector, mounted to the inner conductor, deflects moving particles away from the support member, to radially outer portions of the cavity. A conductive shield is disposed adjacent the outer sheath to form a field-free region in radially outer portions of the cavity, between the shield and the sheath. Particles traveling along the cavity are deflected by the cone-like deflector into the field-free region where they are held immobile. In a vertical embodiment, particles enter the field-free region through an upper end of a gap formed between shield and sheath members. In a horizontal embodiment, the deflector cone has a base which is terminated radially internally of the shield. Apertures in the shield located adjacent the deflector allow passage of deflected particles into the field-free region. The dielectric support member is thereby protected from contaminating particles that may otherwise come to rest thereon.

  12. Particle trap for compressed gas insulated transmission systems

    DOE Patents [OSTI]

    Cookson, Alan H.

    1985-01-01

    A particle trap is provided for gas insulated transmission lines having a central high voltage conductor supported within an outer coaxial conductive sheath by a dielectric support member. A cavity between the inner conductor and outer sheath is filled with a dielectric insulating gas. A cone-like particle deflector, mounted to the inner conductor, deflects moving particles away from the support member, to radially outer portions of the cavity. A conductive shield is disposed adjacent the outer sheath to form a field-free region in radially outer portions of the cavity, between the shield and the sheath. Particles traveling along the cavity are deflected by the cone-like deflector into the field-free region where they are held immobile. In a vertical embodiment, particles enter the field-free region through an upper end of a gap formed between shield and sheath members. In a horizontal embodiment, the deflector cone has a base which is terminated radially internally of the shield. Apertures in the shield located adjacent the deflector allow passage of deflected particles into the field-free region. The dielectric support member is thereby protected from contaminating particles that may otherwise come to rest thereon.

  13. Critical issues in the development of hybrid solar/gas receivers for dish/Stirling systems

    SciTech Connect (OSTI)

    Adkins, D.R.; Rawlinson, K.S.

    1991-12-31

    A hybrid solar/gas receiver system will allow Stirling engines to operate with combined solar and gas power sources. One of the most attractive options for building a hybrid system is to integrate a gas-fired heat pipe directly into a heat-pipe solar receiver. Before this union can take place, however, a number of technical issues must be resolved. A design must be found that properly distributes the heat-pipe`s working fluid over the heated surfaces and prevents fluid from accumulating at undesirable locations in the heat pipe. Experience that has been gained in developing solar receivers and gas-fired heat pipes under recent Department of Energy solar-thermal dish-electric programs is used in this paper to address many of the technical obstacles to building receiver systems. 16 refs.

  14. Critical issues in the development of hybrid solar/gas receivers for dish/Stirling systems

    SciTech Connect (OSTI)

    Adkins, D.R.; Rawlinson, K.S.

    1991-01-01

    A hybrid solar/gas receiver system will allow Stirling engines to operate with combined solar and gas power sources. One of the most attractive options for building a hybrid system is to integrate a gas-fired heat pipe directly into a heat-pipe solar receiver. Before this union can take place, however, a number of technical issues must be resolved. A design must be found that properly distributes the heat-pipe's working fluid over the heated surfaces and prevents fluid from accumulating at undesirable locations in the heat pipe. Experience that has been gained in developing solar receivers and gas-fired heat pipes under recent Department of Energy solar-thermal dish-electric programs is used in this paper to address many of the technical obstacles to building receiver systems. 16 refs.

  15. DOE Issues Final RFP for Idaho Cleanup Project Core

    Broader source: Energy.gov [DOE]

    Cincinnati – The U.S. Department of Energy (DOE) today issued the final Request for Proposal (RFP) for the Idaho Cleanup Project (ICP) Core procurement. At the end of this contract the majority of cleanup will be complete in Idaho and remaining nuclear materials will be in safe storage. The ICP Core contract is a performance based contract type that includes Cost-Plus-Incentive-Fee (CPIF) Contract Line Item Numbers (CLINs) with hybrid fee structures for both CPIF and schedule milestone and performance incentive fees; and a Cost-Plus-Fixed-Fee (CPFF) CLIN. The estimated dollar value for this procurement is greater than $1 Billion, with a five year period of performance. This procurement will be full and open competition.

  16. Combining innovative technology demonstrations with dense nonaqueous phase liquids cleanup

    SciTech Connect (OSTI)

    Hagood, M.C.; Koegler, K.J.; Rohay, V.J.; Trent, S.J.; Stein, S.L.; Brouns, T.M.; McCabe, G.H.; Tomich, S.

    1993-05-01

    Radioactively contaminated acidic aqueous wastes and organic liquids were discharged to the soil column at three disposal sites within the 200 West Area of the Hanford Site, Washington. As a result, a portion of the underlying groundwater is contaminated with carbon tetrachloride several orders of magnitude above the maximum contaminant level accepted for a drinking water supply. Treatability testing and cleanup actions have been initiated to remove the contamination from both the unsaturated soils to minimize further groundwater contamination and the groundwater itself. To expedite cleanup, innovative technologies for (1) drilling, (2) site characterization, (3) monitoring, (4) well field development, and (5) contaminant treatment are being demonstrated and subsequently used where possible to improve the rates and cost savings associated with the removal of carbon tetrachloride from the soils and groundwater.

  17. Method of testing gas insulated systems for the presence of conducting particles utilizing a gas mixture of nitrogen and sulfur hexafluoride

    DOE Patents [OSTI]

    Wootton, Roy E.

    1979-01-01

    A method of testing a gas insulated system for the presence of conducting particles. The method includes inserting a gaseous mixture comprising about 98 volume percent nitrogen and about 2 volume percent sulfur hexafluoride into the gas insulated system at a pressure greater than 60 lb./sq. in. gauge, and then applying a test voltage to the system. If particles are present within the system, the gaseous mixture will break down, providing an indicator of the presence of the particles.

  18. ORISE: Supporting ARRA funded cleanup activities in Oak Ridge, Tenn.

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

    ORISE supporting Oak Ridge reservation cleanup activities through recovery funding ORISE technician performs an environmental scan Disposing of old and contaminated buildings, and remediating soil and groundwater across the Oak Ridge Reservation has long been a priority for the U.S. Department of Energy (DOE)-Oak Ridge Office (ORO). Though much of the work wasn't expected to begin for another three to four years, the acquisition of $755 million in American Recovery and Reinvestment Act (ARRA)

  19. Cleanup Verification Package for the 618-3 Burial Ground

    SciTech Connect (OSTI)

    M. J. Appel

    2006-09-12

    This cleanup verification package documents completion of remedial action for the 618-3 Solid Waste Burial Ground, also referred to as Burial Ground Number 3 and the Dry Waste Burial Ground Number 3. During its period of operation, the 618-3 site was used to dispose of uranium-contaminated construction debris from the 311 Building and construction/demolition debris from remodeling of the 313, 303-J and 303-K Buildings.

  20. Optical methods and systems for detecting a constituent in a gas containing oxygen in harsh environments

    DOE Patents [OSTI]

    Carpenter, Michael A. (Scotia, NY); Sirinakis, George (Bronx, NY)

    2011-01-04

    A method for detecting a gas phase constituent such as carbon monoxide, nitrogen dioxide, hydrogen, or hydrocarbons in a gas comprising oxygen such as air, includes providing a sensing material or film having a metal embedded in a catalytically active matrix such as gold embedded in a yttria stabilized zirconia (YSZ) matrix. The method may include annealing the sensing material at about 900.degree. C., exposing the sensing material and gas to a temperature above 400.degree. C., projecting light onto the sensing material, and detecting a change in the absorption spectrum of the sensing material due to the exposure of the sensing material to the gas in air at the temperature which causes a chemical reaction in the sensing material compared to the absorption spectrum of the sensing material in the absence of the gas. Systems employing such a method are also disclosed.

  1. Systems approach used in the Gas Centrifuge Enrichment Plant

    SciTech Connect (OSTI)

    Rooks, W.A. Jr.

    1982-01-01

    A requirement exists for effective and efficient transfer of technical knowledge from the design engineering team to the production work force. Performance-Based Training (PBT) is a systematic approach to the design, development, and implementation of technical training. This approach has been successfully used by the US Armed Forces, industry, and other organizations. The advantages of the PBT approach are: cost-effectiveness (lowest life-cycle training cost), learning effectiveness, reduced implementation time, and ease of administration. The PBT process comprises five distinctive and rigorous phases: Analysis of Job Performance, Design of Instructional Strategy, Development of Training Materials and Instructional Media, Validation of Materials and Media, and Implementation of the Instructional Program. Examples from the Gas Centrifuge Enrichment Plant (GCEP) are used to illustrate the application of PBT.

  2. Rocky Flats Cleanup Agreement implementation successes and challenges

    SciTech Connect (OSTI)

    Shelton, D.C.

    1997-02-01

    On July 19, 1996 the US Department of Energy (DOE), State of Colorado (CDPHE), and US Environmental Protection Agency (EPA) entered into an agreement called the Rocky Flats Cleanup Agreement (RFCA) for the cleanup and closure of the Rocky Flats Environmental Technology Site (RFETS or Rocky Flats). Major elements of the agreement include: an Integrated Site-Wide Baseline; up to twelve significant enforceable milestones per year; agreed upon soil and water action levels and standards for cleanup; open space as the likely foreseeable land use; the plutonium and TRU waste removed by 2015; streamlined regulatory process; agreement with the Defense Nuclear Facilities Safety Board (DNFSB) to coordinate activities; and a risk reduction focus. Successful implementation of RFCA requires a substantial effort by the parties to change their way of thinking about RFETS and meet the deliverables and commitments. Substantial progress toward Site closure through the implementation of RFCA has been accomplished in the short time since the signing, yet much remains to be done. Much can be learned from the Rocky Flats experience by other facilities in similar situations.

  3. Environmental Cleanup of the East Tennessee Technology Park Year One - Execution with Certainty SM - 13120

    SciTech Connect (OSTI)

    Schubert, A.L.

    2013-07-01

    On August 1, 2011, URS - CH2M Oak Ridge LLC (UCOR) began its five-year, $1.4 billion cleanup of the East Tennessee Technology Park (ETTP), located on the U.S. Department of Energy's (DOE) Oak Ridge Reservation in Tennessee. UCOR will close out cleanup operations that began in 1998 under a previous contract. When the Contract Base scope of work [1] is completed in 2016, the K-25 gaseous diffusion building will have been demolished and all waste dispositioned, demolition will have started on the K-27 gaseous diffusion building, all contact-handled and remote-handled transuranic waste in inventory (approximately 500 cubic meters) will have been transferred to the Transuranic Waste Processing Center, previously designated 'No-Path-To-Disposition Waste' will have been dispositioned to the extent possible, and UCOR will have managed DOE Office of Environmental Management (EM)- owned facilities at ETTP, Oak Ridge National Laboratory (ORNL), and the Y-12 National Security Complex in a safe and cost-effective manner. Since assuming its responsibilities as the ETTP cleanup contractor, UCOR has completed its life-cycle Performance Measurement Baseline; received its Earned Value Management System (EVMS) certification; advanced the deactivation and demolition (D and D) of the K-25 gaseous diffusion building; recovered and completed the Tank W-1A and K-1070-B Burial Ground remediation projects; characterized, packaged, and shipped contact-handled transuranic waste to the Transuranic Waste Processing Center; disposed of more than 90,000 cubic yards of cleanup waste while managing the Environmental Management Waste Management Facility (EMWMF); and provided operations, surveillance, and maintenance activities at DOE EM facilities at ETTP, ORNL, and the Y-12 National Security Complex. Project performance as of December 31, 2012 has been excellent: - Cost Performance Index - 1.06; - Schedule Performance Index - 1.02. At the same time, since safety is the foundation of all cleanup work, UCOR's safety record goes hand in hand with its excellent project performance. Through calendar year 2012, UCOR's recordable injury rate was 0.33, and the company has worked close to 4 million hours without a lost work day injury. UCOR's safety record is one of the best in the DOE EM Complex. This performance was due, in large part, to the people and processes URS and CH2M HILL, the parent companies of UCOR, brought to the project. Key approaches included: - Selected and deployed experienced staff in key leadership positions throughout the organization; - Approached 'Transition' as the 'true' beginning of the cleanup project - kicking off a number of project initiatives such as Partnering, PMB development, D and D Plan execution, etc. - Established a project baseline for performance measurement and obtained EVMS certification in record time; - Determined material differences and changed conditions that warranted contract change - then quickly addressed these changes with the DOE client; - Aligned the project and the contract within one year - also done in record time; - Implemented Safety Trained Supervisor and Safety Conscious Work Environment Programs, and kicked off the pursuit of certification under DOE's Voluntary Protection Program. (authors)

  4. Solar heating, cooling and domestic hot water system installed at Columbia Gas System Service Corp. , Columbus, Ohio. Final report

    SciTech Connect (OSTI)

    1980-11-01

    The Solar Energy System located at the Columbia Gas Corporation, Columbus, Ohio, has 2978 ft/sup 2/ of Honeywell single axis tracking, concentrating collectors and provides solar energy for space heating, space cooling and domestic hot water. A 1,200,000 Btu/h Bryan water-tube gas boiler provides hot water for space heating. Space cooling is provided by a 100 ton Arkla hot water fired absorption chiller. Domestic hot water heating is provided by a 50 gallon natural gas domestic storage water heater. Extracts are included from the site files, specification references, drawings, installation, operation and maintenance instructions.

  5. Natural Gas Transmission and Distribution Model of the National Energy Modeling System. Volume 1

    SciTech Connect (OSTI)

    1998-01-01

    The Natural Gas Transmission and Distribution Model (NGTDM) is the component of the National Energy Modeling System (NEMS) that is used to represent the domestic natural gas transmission and distribution system. The NGTDM is the model within the NEMS that represents the transmission, distribution, and pricing of natural gas. The model also includes representations of the end-use demand for natural gas, the production of domestic natural gas, and the availability of natural gas traded on the international market based on information received from other NEMS models. The NGTDM determines the flow of natural gas in an aggregate, domestic pipeline network, connecting domestic and foreign supply regions with 12 demand regions. The purpose of this report is to provide a reference document for model analysts, users, and the public that defines the objectives of the model, describes its basic design, provides detail on the methodology employed, and describes the model inputs, outputs, and key assumptions. Subsequent chapters of this report provide: an overview of NGTDM; a description of the interface between the NEMS and NGTDM; an overview of the solution methodology of the NGTDM; the solution methodology for the Annual Flow Module; the solution methodology for the Distributor Tariff Module; the solution methodology for the Capacity Expansion Module; the solution methodology for the Pipeline Tariff Module; and a description of model assumptions, inputs, and outputs.

  6. Selective Catalytic Reduction and Exhaust Gas Recirculation Systems...

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

    More Documents & Publications Strategies for Integrated Emission Control Initial Results of the DeNOx SCR System by Urea Injection in the Euro 5 Bus State-of-the-Art and Emergin ...

  7. Tips: Natural Gas and Oil Heating Systems | Department of Energy

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

    a new energy-efficient furnace to save money over the long term. Install a new energy-efficient furnace to save money over the long term. If you plan to buy a new heating system,...

  8. Fuel Cell System Challenges Utilizing Natural Gas and Methanol

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

    low cost, long life & high efficiency NGLPG systems require low ppb sulfur levels for ... contaminants in commercial MeOH and NG LPG in N. America Development of liquid phase ...

  9. INTEGRATED 15KV SIC VSD AND HIGH-SPEED MW MOTOR FOR GAS COMPRESSION SYSTEMS

    Broader source: Energy.gov [DOE]

    Eaton Corporation – Arden, NC A 15 kilovolt (kV) SiC variable-speed drive will be integrated with a high-speed megawatt motor for gas compression applications. This new drive technology will be developed and tested to operate at greater than 99% efficiency and achieve 10 times the power density of competing drives, providing an integrated, highly-efficient motor and drive system for natural gas applications. Fact sheet coming soon.

  10. Hot-Gas Filter Testing with a Transport Reactor Gasifier

    SciTech Connect (OSTI)

    Swanson, M.L.; Hajicek, D.R.

    2002-09-18

    Today, coal supplies over 55% of the electricity consumed in the United States and will continue to do so well into the next century. One of the technologies being developed for advanced electric power generation is an integrated gasification combined cycle (IGCC) system that converts coal to a combustible gas, cleans the gas of pollutants, and combusts the gas in a gas turbine to generate electricity. The hot exhaust from the gas turbine is used to produce steam to generate more electricity from a steam turbine cycle. The utilization of advanced hot-gas particulate and sulfur control technologies together with the combined power generation cycles make IGCC one of the cleanest and most efficient ways available to generate electric power from coal. One of the strategic objectives for U.S. Department of Energy (DOE) IGCC research and development program is to develop and demonstrate advanced gasifiers and second-generation IGCC systems. Another objective is to develop advanced hot-gas cleanup and trace contaminant control technologies. One of the more recent gasification concepts to be investigated is that of the transport reactor gasifier, which functions as a circulating fluid-bed gasifier while operating in the pneumatic transport regime of solid particle flow. This gasifier concept provides excellent solid-gas contacting of relatively small particles to promote high gasification rates and also provides the highest coal throughput per unit cross-sectional area of any other gasifier, thereby reducing capital cost of the gasification island.

  11. System for the removal of contaminant soil-gas vapors

    DOE Patents [OSTI]

    Weidner, J.R.; Downs, W.C.; Kaser, T.G.; Hall, H.J.

    1997-12-16

    A system extracts contaminated vapors from soil or other subsurface regions by using changes in barometric pressure to operate sensitive check valves that control air entry and removal from wells in the ground. The system creates an efficient subterranean flow of air through a contaminated soil plume and causes final extraction of the contaminants from the soil to ambient air above ground without any external energy sources. 4 figs.

  12. System for the removal of contaminant soil-gas vapors

    DOE Patents [OSTI]

    Weidner, Jerry R.; Downs, Wayne C.; Kaser, Timothy G.; Hall, H. James

    1997-01-01

    A system extracts contaminated vapors from soil or other subsurface regions by using changes in barometric pressure to operate sensitive check valves that control air entry and removal from wells in the ground. The system creates an efficient subterranean flow of air through a contaminated soil plume and causes final extraction of the contaminants from the soil to ambient air above ground without any external energy sources.

  13. Method for controlling exhaust gas heat recovery systems in vehicles

    DOE Patents [OSTI]

    Spohn, Brian L.; Claypole, George M.; Starr, Richard D

    2013-06-11

    A method of operating a vehicle including an engine, a transmission, an exhaust gas heat recovery (EGHR) heat exchanger, and an oil-to-water heat exchanger providing selective heat-exchange communication between the engine and transmission. The method includes controlling a two-way valve, which is configured to be set to one of an engine position and a transmission position. The engine position allows heat-exchange communication between the EGHR heat exchanger and the engine, but does not allow heat-exchange communication between the EGHR heat exchanger and the oil-to-water heat exchanger. The transmission position allows heat-exchange communication between the EGHR heat exchanger, the oil-to-water heat exchanger, and the engine. The method also includes monitoring an ambient air temperature and comparing the monitored ambient air temperature to a predetermined cold ambient temperature. If the monitored ambient air temperature is greater than the predetermined cold ambient temperature, the two-way valve is set to the transmission position.

  14. Low pressure cooling seal system for a gas turbine engine

    DOE Patents [OSTI]

    Marra, John J

    2014-04-01

    A low pressure cooling system for a turbine engine for directing cooling fluids at low pressure, such as at ambient pressure, through at least one cooling fluid supply channel and into a cooling fluid mixing chamber positioned immediately downstream from a row of turbine blades extending radially outward from a rotor assembly to prevent ingestion of hot gases into internal aspects of the rotor assembly. The low pressure cooling system may also include at least one bleed channel that may extend through the rotor assembly and exhaust cooling fluids into the cooling fluid mixing chamber to seal a gap between rotational turbine blades and a downstream, stationary turbine component. Use of ambient pressure cooling fluids by the low pressure cooling system results in tremendous efficiencies by eliminating the need for pressurized cooling fluids for sealing this gap.

  15. Natural gas transmission and distribution model of the National Energy Modeling System

    SciTech Connect (OSTI)

    1997-02-01

    The Natural Gas Transmission and Distribution Model (NGTDM) is the component of the National Energy Modeling System (NEMS) that is used to represent the domestic natural gas transmission and distribution system. NEMS was developed in the Office of Integrated Analysis and Forecasting of the Energy Information Administration (EIA). NEMS is the third in a series of computer-based, midterm energy modeling systems used since 1974 by the EIA and its predecessor, the Federal Energy Administration, to analyze domestic energy-economy markets and develop projections. From 1982 through 1993, the Intermediate Future Forecasting System (IFFS) was used by the EIA for its analyses, and the Gas Analysis Modeling System (GAMS) was used within IFFS to represent natural gas markets. Prior to 1982, the Midterm Energy Forecasting System (MEFS), also referred to as the Project Independence Evaluation System (PIES), was employed. NEMS was developed to enhance and update EIA`s modeling capability by internally incorporating models of energy markets that had previously been analyzed off-line. In addition, greater structural detail in NEMS permits the analysis of a broader range of energy issues. The time horizon of NEMS is the midterm period (i.e., through 2015). In order to represent the regional differences in energy markets, the component models of NEMS function at regional levels appropriate for the markets represented, with subsequent aggregation/disaggregation to the Census Division level for reporting purposes.

  16. Penetration of gas delivery systems in the United States: A state-level data analysis

    SciTech Connect (OSTI)

    Guldmann, J.M. . Environmental Assessment and Information Sciences Div. Ohio State Univ., Columbus, OH )

    1990-02-01

    The purpose of this study is to assess the degree to which the gas delivery infrastructure penetrates US regions and states and to pinpoint those areas in which the lack of a sufficient infrastructure impedes the expansion of the natural gas market. Regions and states are ranked according to several indicators developed with data published by the American Gas Association, the US Department of Energy/Energy Information Administration, and the US Bureau of the Census. These include the numbers of gas customers and gas deliveries by sector, mileages of distribution and transmission pipelines, underground storage capacities and operating characteristics, heating degree-days, populations and numbers of households, and areal measures of states and metropolitan areas. The market penetration of gas distribution systems is measured by two indicators: (1) the ratio of the number of residential gas customers to the number of households in 1985 and (2) the distribution pipeline density, measured by the ratio of the 1985 distribution mileage divided by the number of households, while accounting for the effect of urban population density (using earlier econometric results). 11 refs., 1 fig., 27 tabs.

  17. Simulated coal gas MCFC power plant system verification. Final report

    SciTech Connect (OSTI)

    1998-07-30

    The objective of the main project is to identify the current developmental status of MCFC systems and address those technical issues that need to be resolved to move the technology from its current status to the demonstration stage in the shortest possible time. The specific objectives are separated into five major tasks as follows: Stack research; Power plant development; Test facilities development; Manufacturing facilities development; and Commercialization. This Final Report discusses the M-C power Corporation effort which is part of a general program for the development of commercial MCFC systems. This final report covers the entire subject of the Unocal 250-cell stack. Certain project activities have been funded by organizations other than DOE and are included in this report to provide a comprehensive overview of the work accomplished.

  18. Optimization problems in natural gas transportation systems. A state-of-the-art review

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

    Ríos-Mercado, Roger Z.; Borraz-Sánchez, Conrado

    2015-03-24

    Our paper provides a review on the most relevant research works conducted to solve natural gas transportation problems via pipeline systems. The literature reveals three major groups of gas pipeline systems, namely gathering, transmission, and distribution systems. In this work, we aim at presenting a detailed discussion of the efforts made in optimizing natural gas transmission lines.There is certainly a vast amount of research done over the past few years on many decision-making problems in the natural gas industry and, specifically, in pipeline network optimization. In this work, we present a state-of-the-art survey focusing on specific categories that include short-termmore » basis storage (line-packing problems), gas quality satisfaction (pooling problems), and compressor station modeling (fuel cost minimization problems). We also discuss both steady-state and transient optimization models highlighting the modeling aspects and the most relevant solution approaches known to date. Although the literature on natural gas transmission system problems is quite extensive, this is, to the best of our knowledge, the first comprehensive review or survey covering this specific research area on natural gas transmission from an operations research perspective. Furthermore, this paper includes a discussion of the most important and promising research areas in this field. Hence, our paper can serve as a useful tool to gain insight into the evolution of the many real-life applications and most recent advances in solution methodologies arising from this exciting and challenging research area of decision-making problems.« less

  19. Gas Fired Test System For Stirling Engines. (Conference) | SciTech Connect

    Office of Scientific and Technical Information (OSTI)

    Gas Fired Test System For Stirling Engines. Citation Details In-Document Search Title: Gas Fired Test System For Stirling Engines. Abstract not provided. Authors: Lloyd, Jimmy ; John Lawler Publication Date: 2007-10-01 OSTI Identifier: 1148030 Report Number(s): SAND2007-6644C 522685 DOE Contract Number: DE-AC04-94AL85000 Resource Type: Conference Resource Relation: Conference: Energy Sustainability 2007 held June 27-30, 2007 in Long Beach, CA.; Related Information: Proposed for presentation at

  20. ART CCIM PHASE II-A OFF-GAS SYSTEM EVALUATION TEST REPORT (Technical

    Office of Scientific and Technical Information (OSTI)

    Report) | SciTech Connect ART CCIM PHASE II-A OFF-GAS SYSTEM EVALUATION TEST REPORT Citation Details In-Document Search Title: ART CCIM PHASE II-A OFF-GAS SYSTEM EVALUATION TEST REPORT AREVA Federal Services (AFS) is performing a multi-year, multi-phase Advanced Remediation Technologies (ART) project, sponsored by the U.S. Department of Energy (DOE), to evaluate the feasibility and benefits of replacing the existing joule-heated melter (JHM) used to treat high level waste (HLW) in the