National Library of Energy BETA

Sample records for gallons butane c4h10

  1. eGallon-methodology-final

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    traditional gallon of unleaded fuel -- the dominant fuel choice for vehicles in the U.S. eGallon Methodology The eGallon is measured as an "implicit" cost of a gallon of gasoline. ...

  2. eGallon

    Office of Energy Efficiency and Renewable Energy (EERE)

    The eGallon price is calculated using the most recently available state by state residential electricity prices. The state gasoline price above is either the statewide average retail price or a...

  3. Normal butane/iso-butane separation

    SciTech Connect

    Volles, W.K.; Cusher, N.A.

    1986-08-26

    This patent describes an improved pressure swing adsorption process for the separation of iso-butane from normal butane in an adsorption system having at least three adsorbent beds, each bed of which undergoes, on a cyclic basis and a processing sequence comprising: introducing a feed gas mixture of iso-butane and normal butane at an upper adsorption pressure to the feed end of the bed capable of selectively adsorbing normal butane as the more selectivity adsorbable component of the gas mixture. The iso-butane as the less readily adsorbable component passes through the bed and is discharged from the discharge end. The feed gas introduction is continued as a normal butane adsorption front is formed in the bed and passes through the bed from the feed end and breaks through at the discharge end of the bed, a portion of the iso-butane effluent stream thus discharged being diverted for passage as purge gas to another bed in the system; and countercurrently depressurizing the bed with release of gas from the feed end.

  4. eGallon Methodology | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    eGallon Methodology eGallon Methodology The average American measures the day-to-day cost of driving by the price of a gallon of gasoline. In other words, as the price of gasoline ...

  5. Diesel prices top $4 per gallon

    Energy Information Administration (EIA) (indexed site)

    Diesel prices top $4 per gallon The U.S. average retail price for on-highway diesel fuel surpassed the four dollar mark for the first time this year. Prices rose to $4.02 a gallon on Monday. That's up 9 ½ cents from a week ago, based on the weekly price survey by the U.S. Energy Information Administration. Prices were highest in the New England region, at 4.24 a gallon, up 5.6 cents from a week ago. Prices were lowest in the Rocky Mountain States at $3.84 a gallon, up almost 11 cents. This is

  6. eGallon Methodology | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    eGallon Methodology eGallon Methodology The average American measures the day-to-day cost of driving by the price of a gallon of gasoline. In other words, as the price of gasoline rises and falls, it tells consumers how much it costs to drive. If you drive past a gas station, watch the evening news or read the newspaper, you'll see the price of a gallon of gas posted. But for electric vehicle (EV) owners -- who generally fuel at home -- it's hard to measure just how much it costs to drive. To

  7. Emissions with butane/propane blends

    SciTech Connect

    1996-11-01

    This article reports on various aspects of exhaust emissions from a light-duty car converted to operate on liquefied petroleum gas and equipped with an electrically heated catalyst. Butane and butane/propane blends have recently received attention as potentially useful alternative fuels. Butane has a road octane number of 92, a high blending vapor pressure, and has been used to upgrade octane levels of gasoline blends and improve winter cold starts. Due to reformulated gasoline requirements for fuel vapor pressure, however, industry has had to remove increasing amounts of butane form the gasoline pool. Paradoxically, butane is one of the cleanest burning components of gasoline.

  8. Ignition properties of n-butane and iso-butane in a rapid compression machine

    SciTech Connect

    Gersen, S.; Darmeveil, J.H.; Mokhov, A.V.; Levinsky, H.B.

    2010-02-15

    Autoignition delay times of n-butane and iso-butane have been measured in a Rapid Compression Machine in the temperature range 660-1010 K, at pressures varying from 14 to 36 bar and at equivalence ratios {phi} = 1.0 and {phi} = 0.5. Both butane isomers exhibit a negative-temperature-coefficient (NTC) region and, at low temperatures, two-stage ignition. At temperatures below {proportional_to}900 K, the delay times for iso-butane are longer than those for the normal isomer, while above this temperature both butanes give essentially the same results. At temperatures above {proportional_to}720 K the delay times of the lean mixtures are twice those for stoichiometric compositions; at T < 720 K, the equivalence ratio is seen to have little influence on the ignition behavior. Increasing the pressure from 15 bar to 30 bar decreases the amplitude of the NTC region, and reduces the ignition delay time for both isomers by roughly a factor of 3. In the region in which two-stage ignition is observed, 680-825 K, the duration of the first ignition stage decreases sharply in the range 680-770 K, but is essentially flat above 770 K. Good quantitative agreement is found between the measurements and calculations for n-butane using a comprehensive model for butane ignition, including both delay times in the two-stage region, with substantial differences being observed for iso-butane, particularly in the NTC region. (author)

  9. Workers Pour 1 Million Gallons of Grout into Massive Tanks |...

    Office of Environmental Management (EM)

    Pour 1 Million Gallons of Grout into Massive Tanks Workers Pour 1 Million Gallons of Grout into Massive Tanks May 15, 2012 - 12:00pm Addthis Cement trucks transport a specially ...

  10. Energy Department Releases Updated eGallon Prices as Electric...

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Updated eGallon Prices as Electric Vehicle Sales Double Energy Department Releases Updated eGallon Prices as Electric Vehicle Sales Double July 19, 2013 - 9:00am Addthis News Media ...

  11. EV Sales Skyrocketing. eGallon Holds Steady.

    Office of Energy Efficiency and Renewable Energy (EERE)

    We're updating monthly eGallon numbers and highlighting the continued growth of electric vehicle sales.

  12. New butane isomerization unit is unvieled by Andrews Petroleum

    SciTech Connect

    McWilliams, H.

    1990-06-01

    This article discusses the development of a butane isomerization unit which will help reduce butane surplus by fractionating it into other LPG products. Other features of this California project increase on-site storage.

  13. FIFTY-FIVE GALLON DRUM STANDARD STUDY

    SciTech Connect

    PUIGH RJ

    2009-05-14

    Fifty-five gallon drums are routinely used within the U.S. for the storage and eventual disposal of fissionable materials as Transuranic or low-level waste. To support these operations, criticality safety evaluations are required. A questionnaire was developed and sent to selected Endusers at Hanford, Idaho National Laboratory, Lawrence Livermore National Laboratory, Oak Ridge and the Savannah River Site to solicit current practices. This questionnaire was used to gather information on the kinds of fissionable materials packaged into drums, the models used in performing criticality safety evaluations in support of operations involving these drums, and the limits and controls established for the handling and storage of these drums. The completed questionnaires were reviewed and clarifications solicited through individual communications with each Enduser to obtain more complete and consistent responses. All five sites have similar drum operations involving thousands to tens of thousands of fissionable material waste drums. The primary sources for these drums are legacy (prior operations) and decontamination and decommissioning wastes at all sites except Lawrence Livermore National Laboratory. The results from this survey and our review are discussed in this paper.

  14. eGallon and Electric Vehicle Sales: The Big Picture

    Office of Energy Efficiency and Renewable Energy (EERE)

    This month, we're updating eGallon prices and taking a look at how the U.S. electric vehicle market continues to strengthen.

  15. Driving for $1.14 Per Gallon | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    That's because the eGallon price depends on electricity prices, which historically are very stable; gasoline prices depend on the global oil market, which can be very unstable and ...

  16. "Table 11. Fuel Economy, Selected Survey Years (Miles Per Gallon...

    Energy Information Administration (EIA) (indexed site)

    Fuel Economy, Selected Survey Years (Miles Per Gallon)" ,"Survey Years" ,1983,1985,1988,1991,1994,2001 "Total",15.1,16.1,18.3,19.3,19.8,20.2 "Household Characteristics" "Census...

  17. eGallon: What It Is and Why It's Important | Department of Energy

    Energy.gov [DOE] (indexed site)

    More on eGallon: Read the eGallon blog post. Download the eGallon Methodology to learn how it is calculated. For most drivers, a trip to the fuel pump is an easy reminder of the...

  18. Fact #676: May 23, 2011 U.S. Refiners Produce about 19 Gallons...

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    A standard U.S. barrel contains 42 gallons of crude oil which yields about 44 gallons of ... and 10 gallons of diesel fuel are produced from a barrel of crudeoil by U.S. refiners. ...

  19. Distillation efficiencies of an industrial-scale i-butane/n-butane fractionator

    SciTech Connect

    Klemola, K.T.; Ilme, J.K.

    1996-12-01

    Rarely published industrial-scale distillation efficiency data are presented. The Murphree tray efficiencies are determined from the i-butane/n-butane fractionator performance data. Point efficiencies, numbers of overall vapor phase transfer units, numbers of vapor and liquid phase transfer units, and liquid phase resistances of mass transfer are backcalculated from the Murphree tray efficiencies. Various efficiency prediction and scale-up methods have been tested against experimental results. A new model for the prediction of the numbers of vapor and liquid phase transfer units has been developed. The model can be applied to hydrocarbon systems at high pressure. The influence of the mass-transfer coefficients, the interfacial area, and the vapor and liquid residence times on mass transfer has been analyzed separately, and as a result the NTU correlations for vapor and liquid phases are obtained. The constants of the model can be obtained by fitting the model to experimental efficiency data from a similar system.

  20. Coupling of oxidative dehydrogenation and aromatization reactions of butane

    SciTech Connect

    Xu, Wen-Qing; Suib, S.L. )

    1994-01-01

    Coupling of oxidative dehydrogenation and aromatization of butane by using a dual function catalyst has led to a significant enhancement of the yields (from 25 to 40%) and selectivities to aromatics (from 39 to 64%). Butane is converted to aromatics by using either zinc-promoted [Ga]-ZSM-5 or zinc and gallium copromoted [Fe]-ZSM-5 zeolite as a catalyst. However, the formation of aromatics is severely limited by hydrocracking of butane to methane, ethane, and propane due to the hydrogen formed during aromatization reactions. On the other hand, the oxidative dehydrogenation of butane to butene over molybdate catalysts is found to be accompanied by a concurrent undesirable reaction, i.e., total oxidation. When two of these reactions (oxidative dehydrogenation and aromatization of butane) are coupled by using a dual function catalyst they have shown to complement each other. It is believed that the rate-limiting step for aromatization (butane to butene) is increased by adding an oxidative dehydrogenation catalyst (Ga-Zn-Mg-Mo-O). The formation of methane, ethane, and propane was suppressed due to the removal of hydrogen initially formed as water. Studies of ammonia TPD show that the acidities of [Fe]-ZSM-5 are greatly affected by the existence of metal oxides such as Ga[sub 2]O[sub 3], MgO, ZnO, and MoO[sub 3]. 40 refs., 9 figs., 1 tab.

  1. Biofiltration control of VOC emissions: Butane and benzene

    SciTech Connect

    Allen, E.R.

    1995-12-31

    Laboratory studies were conducted on the biological elimination of n-butane and benzene from air streams using activated sludge-treated compost biofilters. Four types of experimental biofilter systems were developed: a bench scale packed tower system used primarily for kinetic studies; a small scale column system used to study the effects of different filter media on n-butane removal; a three stage system used to study benzene elimination; and a static batch biofilter system used to study the effects of temperature, compost water content, compost pH, and initial benzene concentrations on benzene elimination. Removal efficiencies greater than 90% were obtained for n-butane. Removal followed first order kinetics at inlet concentrations less than 25 ppM n-butane and zero order kinetics above 100 ppM n-butane. Removal of benzene followed fractional order kinetics for inlet concentrations from 15 to 200 ppM benzene. Thus, the removal of benzene is both mass transfer and bioreaction limited for the concentration range studied. The removal efficiency of benzene was found to be highly dependent on compost water content, compost pH, and temperature. Compost showed a low capacity for benzene removal, which suggested that degradation of these hydrocarbons required different species of microorganisms.

  2. Kinetics and deactivation of sulfated zirconia catalysts for butane isomerization

    SciTech Connect

    Fogash, K.B.; Larson, R.B.; Gonzalez, M.R.

    1996-09-15

    Reaction kinetics studies were conducted of n-butane and isobutane isomerization over sulfated zirconia at 423 K. The kinetic data can be described well by a rate expression based on a reversible, bimolecular surface reaction between two adsorbed n-C{sub 4} species, probably through a C{sub 8} intermediate, to produce one i-C{sub 4} species, as well as surface reaction between two adsorbed i-C{sub 4} species to produce one n-C{sub 4} species. This reaction sequence also describes well the rates of C{sub 4}-disproportionation reactions to produce C{sub 3} and C{sub 5} species. The initial rate of catalyst deactivation is faster during n-butane isomerization than during isobutane isomerization, and the longer-term rate of deactivation during n-butane isomerization increases with the pressures of n-butane. The more rapid catalyst deactivation during n-butane isomerization may be related to the formation of n-C{sub 4}-diene species. 25 refs., 10 figs., 4 tabs.

  3. 55-Gallon Drum Attenuation Corrections for Waste Assay Measurements

    SciTech Connect

    Casella, V.R.

    2002-04-03

    The present study shows how the percent attenuation for low-level waste (LLW), carbon-steel 55-gallon drums (44 and 46 mil) and for transuranic (TRU) DOT Type 7A 55-gallon drums (approximately 61 mil) changes with gamma energy from 60 keV to 1400 keV. Attenuation for these drums is in the range of 5 to 15 percent at energies from 400 to 1400 keV and from 15 to 35 percent at energies from 120 to 400 keV. At 60 keV, these drums attenuate 70-80 percent of the gamma rays. Correction factors were determined in order to correct for gamma attenuation of a TRU drum if a calibration is performed with a LLW drum. These correction factors increase the activities of the TRU drum by from 10 percent to 2 percent in the energy range of 165 to 1400 keV, with an increase of about 50 percent at 60 keV. Correction factors for TRU drums and for analyses without a drum were used to adjust the percent yield for frequently measured gamma rays, so that the assay libraries could be modified to provide the drum attenuation corrections.

  4. Gasoline price forecast to stay below 3 dollar a gallon in 2015

    Energy Information Administration (EIA) (indexed site)

    Gasoline price forecast to stay below 3 a gallon in 2015 The national average pump price of gasoline is expected to stay below 3 per gallon during 2015. In its new monthly ...

  5. Fact #676: May 23, 2011 U.S. Refiners Produce about 19 Gallons of Gasoline

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    from a Barrel of Oil | Department of Energy 6: May 23, 2011 U.S. Refiners Produce about 19 Gallons of Gasoline from a Barrel of Oil Fact #676: May 23, 2011 U.S. Refiners Produce about 19 Gallons of Gasoline from a Barrel of Oil A standard U.S. barrel contains 42 gallons of crude oil which yields about 44 gallons of petroleum products. The additional 2 gallons of petroleum products come from refiner gains which result in an additional 6% of product. As shown in the figure below, a little more

  6. Small-Scale Experiments.10-gallon drum experiment summary

    SciTech Connect

    Rosenberg, David M.

    2015-02-05

    A series of sub-scale (10-gallon) drum experiments were conducted to characterize the reactivity, heat generation, and gas generation of mixtures of chemicals believed to be present in the drum (68660) known to have breached in association with the radiation release event at the Waste Isolation Pilot Plant (WIPP) on February 14, 2014, at a scale expected to be large enough to replicate the environment in that drum but small enough to be practical, safe, and cost effective. These tests were not intended to replicate all the properties of drum 68660 or the event that led to its breach, or to validate a particular hypothesis of the release event. They were intended to observe, in a controlled environment and with suitable diagnostics, the behavior of simple mixtures of chemicals in order to determine if they could support reactivity that could result in ignition or if some other ingredient or event would be necessary. There is a significant amount of uncertainty into the exact composition of the barrel; a limited sub-set of known components was identified, reviewed with Technical Assessment Team (TAT) members, and used in these tests. This set of experiments was intended to provide a framework to postulate realistic, data-supported hypotheses for processes that occur in a “68660-like” configuration, not definitively prove what actually occurred in 68660.

  7. Fact #809: December 23, 2013 What Do We Pay for in a Gallon of Gasoline? |

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Department of Energy 9: December 23, 2013 What Do We Pay for in a Gallon of Gasoline? Fact #809: December 23, 2013 What Do We Pay for in a Gallon of Gasoline? The figure below shows how the shares of component costs have changed for a gallon of regular gasoline over the ten-year period from September 2003 to September 2013. In 2003, crude oil accounted for 38.3% of the retail price of a gallon of regular gasoline. By 2013, the share for crude oil nearly doubled to 70.8% of the price. While

  8. The eGallon: How Much Cheaper Is It to Drive on Electricity? | Department

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    of Energy The eGallon: How Much Cheaper Is It to Drive on Electricity? The eGallon: How Much Cheaper Is It to Drive on Electricity? June 10, 2013 - 11:00pm Addthis eGallon: Compare the costs of driving with electricity What is eGallon? It is the cost of fueling a vehicle with electricity compared to a similar vehicle that runs on gasoline. Did you know? On average, it costs about half as much to drive an electric vehicle. Find out how much it costs to fuel an electric vehicle in your state

  9. Transient FTIR studies of the reaction pathway for n-butane selective oxidation over vanadyl pyrophosphate

    SciTech Connect

    Xue, Z.Y.; Schrader, G.L.

    1999-05-15

    New information has been provided about the reaction pathway for n-butane partial oxidation to maleic anhydride over vanadyl pyrophosphate (VPO) catalysts using FTIR spectroscopy under transient conditions. Adsorption studies of n-butane, 1,3-butadiene, and related oxygenates were performed to gain information about reaction intermediates. n-Butane was found to adsorb on the VPO catalyst to form olefinic species at low temperatures. Unsaturated, noncyclic carbonyl species were determined to be precursors to maleic anhydride.

  10. Neutron Screening Measurements of 110 gallon drums at T Plant

    SciTech Connect

    Mozhayev, Andrey V.; Hilliard, James R.; Berg, Randal K.

    2011-01-14

    The Pacific Northwest National Laboratory (PNNL) Nondestructive Assay (NDA) Service Center was contracted to develop and demonstrate a simple and inexpensive method of assaying 110 gallon drums at the Hanford Sites T-Plant. The drums contained pucks of crushed old drums used for storage of transuranic (TRU) waste. The drums were to be assayed to determine if they meet the criteria for TRU or Low Level Waste (LLW). Because of the dense matrix (crushed steel drums) gamma measurement techniques were excluded and a mobile, configurable neutron system, consisting of four sequentially connected slab detectors was chosen to be used for this application. An optimum measurement configuration was determined through multiple test measurements with californium source. Based on these measurements the initial calibration of the system was performed applying the isotopic composition for aged weapon-grade plutonium. A series of background and blank puck drum measurements allowed estimating detection limits for both total (singles) and coincidence (doubles) counting techniques. It was found that even conservative estimates for minimum detection concentration using singles count rate were lower than the essential threshold of 100 nCi/g. Whereas the detection limit of coincidence counting appeared to be about as twice as high of the threshold. A series of measurements intended to verify the technique and revise the initial calibration obtained were performed at the Waste Receiving and Processing (WRAP) facility with plutonium standards. Standards with a total mass of 0.3 g of plutonium (which is estimated to be equivalent of 100 nCi/g for net waste weight of 300 kg) loaded in the test puck drum were clearly detected. The following measurements of higher plutonium loadings verified the calibration factors obtained in the initial exercise. The revised and established calibration factors were also confirmed within established uncertainties by additional measurements of plutonium

  11. Availability of Canadian imports to meet U.S. demand for ethane, propane and butane

    SciTech Connect

    Hawkins, D.J.

    1996-12-31

    Historically, Canada has had a surplus of ethane, propane and butane. Almost all of the available propane and butane in Canadian natural gas streams is recovered. While there is significant ethane recovery in Canada, ethane that cannot be economically sold is left in the gas streams. All of the surplus Canadian ethane and most of the Canadian surplus propane and butane is exported to the US. Some volumes of Canadian propane and butane have been moved offshore by marine exports to the Asia-Pacific region or South America, or directly to Mexico by rail. Essentially all of the Canadian ethane, 86% of the propane and 74% of the butane are recovered by gas processing. Canadian natural gas production has increased significantly over the last 10 years. Canadian gas resources in the Western Canadian Sedimentary Basin should permit further expansion of gas exports, and several gas pipeline projects are pending to expand the markets for Canadian gas in the US. The prospective increase in Canadian gas production will yield higher volumes of ethane, propane and butane. While there is a potential to expand domestic markets for ethane, propane and butane, a significant part of the incremental production will move to export markets. This paper provides a forecast of the expected level of ethane, propane and butane exports from Canada and discusses the supply, demand and logistical developments which may affect export availability from Canada.

  12. U.S. gasoline price expected to drop further below $3 per gallon

    Energy Information Administration (EIA) (indexed site)

    gasoline price expected to drop further below $3 per gallon The national average pump price of gasoline dropped below $3 per gallon last week for the first time in nearly four years. U.S. gasoline prices are expected to sink further below the $3 per gallon mark through the end of this year and average under $3 for the year in 2015. In its new short-term forecast, the U.S. Energy Information Administration said the average price for gasoline will continue to decline, reaching an average $2.80 per

  13. SRS Workers Moved Millions of Gallons of High-Level Waste Safely in 2014 |

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Department of Energy SRS Workers Moved Millions of Gallons of High-Level Waste Safely in 2014 SRS Workers Moved Millions of Gallons of High-Level Waste Safely in 2014 February 26, 2015 - 12:00pm Addthis A view of the Savannah River Site, which includes underground waste tanks and facilities. A view of the Savannah River Site, which includes underground waste tanks and facilities. AIKEN, S.C. - EM and its liquid waste contractor safely transferred more than 20 million gallons of high-level

  14. Experimental and DFT studies of initiation processes for butane isomerization over sulfated-zirconia catalysts

    SciTech Connect

    Hong, Z.; Watwe, R.M.; Natal-Santiago, M.A.; Hill, J.M.; Dumesic, J.A.; Fogash, K.B.; Kim, B.; Masqueda-Jimenez, B.I.

    1998-09-10

    Reaction kinetics studies were conducted of isobutane and n-butane isomerization at 423 K over sulfated-zirconia, with the butane feeds purified of olefins. Dihydrogen evolution was observed during butane isomerization over fresh catalysts, as well as over catalysts selectively poisoned by preadsorbed ammonia. Butane isomerization over sulfated-zirconia can be viewed as a surface chain reaction comprised of initiation, propagation, and termination steps. The primary initiation step in the absence of feed olefins is considered to be the dehydrogenation of butane over sulfated-zirconia, generating butenes which adsorb onto acid sites to form protonated olefinic species associated with the conjugate base form of the acid sites. Quantum-chemical calculations, employing density-functional theory, suggest that the dissociative adsorption of dihydrogen, isobutylene hydrogenation, and dissociative adsorption of isobutane are feasible over the sulfated-zirconia cluster, and these reactions take place over Zr-O sites.

  15. The eGallon: How Much Cheaper Is It to Drive on Electricity?...

    Energy Saver

    or a multi-state regional average price reported by EIA. The latest gasoline pricing data is available on EIA's webpage. Find out more at www.energy.goveGallon.

    <...

  16. eGallon: What It Is and Why It’s Important

    Office of Energy Efficiency and Renewable Energy (EERE)

    eGallon is a new tool from the Energy Department that helps both current and potential electric vehicle (EV) drivers better understand the cost of driving an EV.

  17. DOE Moab Site Cost-Effectively Eliminates 200 Million Gallons of Contaminated Ground Water

    Energy.gov [DOE]

    Grand Junction, CO ― The Department of Energy (DOE) announced today that it has extracted 200 million gallons of contaminated ground water from the Moab site in Utah as part of the Moab Uranium Mill Tailings Remedial Action Project.

  18. Beyond a Billion: Clean Cities Coaliations Have Displaced More Than a Billion Gallons of Gasoline

    SciTech Connect

    Not Available

    2005-10-01

    In 2004, DOE's Clean Cities achieved a milestone - displacing the equivalent of more than 1 billion gallons of gasoline since 1994. This fact sheet describes how Clean Cities achieved this goal.

  19. New Cooling Method for Supercomputers to Save Millions of Gallons of Water

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    | Department of Energy New Cooling Method for Supercomputers to Save Millions of Gallons of Water New Cooling Method for Supercomputers to Save Millions of Gallons of Water September 1, 2016 - 4:37pm Addthis Sandia National Laboratories engineer David J. Martinez examines the cooling system at Sandia’s supercomputing center. (Photo by Randy Montoya) Sandia National Laboratories engineer David J. Martinez examines the cooling system at Sandia's supercomputing center. (Photo by Randy

  20. At $2.15 a Gallon, Cellulosic Ethanol Could Be Cost Competitive -

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Continuum Magazine | NREL At $2.15 a Gallon, Cellulosic Ethanol Could Be Cost Competitive In NREL's new Energy Systems Integration Facility, the Insight Collaboration Laboratory shows a 3D model of cellulose microfibrils. Photo by Dennis Schroeder, NREL At $2.15 a Gallon, Cellulosic Ethanol Could Be Cost Competitive DOE challenge met-research advances cut costs to produce fuel from non-food plant sources. Imagine a near perfect transportation fuel-it's clean, domestic, abundant, and

  1. EERE Success Story-Aviation Biofuel Milestone Reached: 5 Gallons of Jet

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Fuel Produced from Industrial Waste Gasses | Department of Energy Aviation Biofuel Milestone Reached: 5 Gallons of Jet Fuel Produced from Industrial Waste Gasses EERE Success Story-Aviation Biofuel Milestone Reached: 5 Gallons of Jet Fuel Produced from Industrial Waste Gasses August 22, 2016 - 3:22pm Addthis In June 2015, United Airlines announced a partnership with biofuel company Fulcrum BioEnergy, to invest in future commercial scale aviation biofuel plants. The company’s innovative

  2. Ionization of ethane, butane, and octane in strong laser fields

    SciTech Connect

    Palaniyappan, Sasi; Mitchell, Rob; Ekanayake, N.; Watts, A. M.; White, S. L.; Sauer, Rob; Howard, L. E.; Videtto, M.; Mancuso, C.; Wells, S. J.; Stanev, T.; Wen, B. L.; Decamp, M. F.; Walker, B. C.

    2010-10-15

    Strong-field photoionization of ethane, butane, and octane are reported at intensities from 10{sup 14} to 10{sup 17} W/cm{sup 2}. The molecular fragment ions, C{sup +} and C{sup 2+}, are created in an intensity window from 10{sup 14} to 10{sup 15} W/cm{sup 2} and have intensity-dependent yields similar to the molecular fragments C{sub m}H{sub n}{sup +} and C{sub m}H{sub n}{sup 2+}. In the case of C{sup +}, the yield is independent of the molecular parent chain length. The ionization of more tightly bound valence electrons in carbon (C{sup 3+} and C{sup 4+}) has at least two contributing mechanisms, one influenced by the parent molecule size and one resulting from the tunneling ionization of the carbon ion.

  3. Promotion of n-Butane isomerization activity by hydration of sulfated zirconia

    SciTech Connect

    Gonzalez, M.R.; Kobe, J.M.; Fogash, K.B.; Dumesic, J.A.

    1996-05-01

    The effects of sulfated zirconia catalyst hydration on the activity for n-butane isomerization is reported. The catalytic activity of of a partially hydrated catalyst is enhanced. 66 refs., 11 figs.

  4. U.S. gasoline price expected to drop further below $3 per gallon

    Energy Information Administration (EIA) (indexed site)

    Declining fuel prices to push U.S. gasoline demand to an 8-year high In its new forecast, the U.S. Energy Information Administration said domestic gasoline consumption this year should be about 60,000 barrels per day higher than in 2014 rising to an average 9 million barrels per day the highest since 2007. The average pump price is forecast to fall to $2.16 per gallon in the first quarter of 2015 with gasoline already selling for less than $2 a gallon in several states

  5. U.S. gasoline price expected to drop further below $3 per gallon

    Energy Information Administration (EIA) (indexed site)

    U.S. households to pay an average $750 less for gasoline in 2015 In its new forecast, the U.S. Energy Information Administration expects the average U.S. household to spend $750 less for gasoline this year compared to 2014. The price for regular gasoline this year is forecast to average $2.33 per gallon. The average pump price is expected to rise to $2.72 per gallon in 2016. Gasoline prices have already fallen for 15 weeks in a row, matching the record streak in price declines set at the end of

  6. Evaporator Campaigns Create 300,000 Gallons of Double-Shell Tank Space |

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Department of Energy Evaporator Campaigns Create 300,000 Gallons of Double-Shell Tank Space Evaporator Campaigns Create 300,000 Gallons of Double-Shell Tank Space May 31, 2016 - 12:10pm Addthis The 242-A Evaporator removes water from tank waste and reduces the volume stored in the double-shell tanks to make room for waste retrieved from single-shell tanks until it can be permanently disposed. The 242-A Evaporator removes water from tank waste and reduces the volume stored in the double-shell

  7. Reducing Petroleum, One Billion Gallons at a Time | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Petroleum, One Billion Gallons at a Time Reducing Petroleum, One Billion Gallons at a Time October 22, 2014 - 10:01am Addthis This hybrid electric Prius that was on display at the National Alternative Fuels Day Odyssey kick-off event has been specially modified for training purposes. With this "cut-away" vehicle, mechanics and other students learning about hybrid electric vehicles can see the inside of the car and better understand how it is different from a conventional gasoline

  8. Energy Department Releases Updated eGallon Prices as Electric Vehicle Sales

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Double | Department of Energy Updated eGallon Prices as Electric Vehicle Sales Double Energy Department Releases Updated eGallon Prices as Electric Vehicle Sales Double July 19, 2013 - 9:00am Addthis News Media Contact (202) 586-4940 WASHINGTON -- U.S. Energy Secretary Ernest Moniz today highlighted the continued growth of electric vehicle sales - doubling in the first 6 months of 2013 compared to the same period in 2012 - as the Energy Department released its most recent pricing data

  9. eGallon: Understanding the Cost of Driving EVs | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    eGallon: Understanding the Cost of Driving EVs eGallon: Understanding the Cost of Driving EVs For most drivers, a trip to the fuel pump is an easy reminder of the day-to-day cost of gasoline or diesel fuel. But for electric vehicle (EV) drivers, who typically charge their car at home, there isn't a similar measurement to determine the cost of driving on electricity. To help both current and potential EV drivers better understand the cost of driving an EV, the Energy Department created the

  10. Improving the stability of H-mordenite for n-butane isomerization

    SciTech Connect

    Asuquo, R.A.; Eder-Mirth, G.; Lercher, J.A.

    1997-06-01

    The conversion of n-butane over mordenite-based catalysts in the presence of hydrogen and water was investigated for reaction temperatures between 523 and 623 K. Special attention was given to the influence of Pt upon catalytic activity, selectivity, and stability. With parent mordenite the catalytic activity for n-butane conversion decreased markedly after a short time on stream. Deactivation can be minimized by hydrogen (in the presence of Pt) and water addition. Both measures are thought to reduce the concentration of intermediate olefins in the zeolite pores. The best results with respect to selective conversion of n-butane to isobutane were obtained for 0.25 wt% Pt on mordenite in the presence of hydrogen. Higher concentrations of Pt in the catalyst are shown to be detrimental for n-butane isomerization, because of increasing selectivity to hydrogenolysis. A detailed mechanistic scheme for n-butane conversion over Pt-containing mordenites is presented. n-Butane conversion is concluded to occur via a bimolecular mechanism involving a complex network of hydrogen transfer, oligomerization/cracking, isomerization, hydrogenation/dehydrogenation, and hydrogenolysis. 23 refs., 14 figs., 5 tabs.

  11. Development of a model for predicting transient hydrogen venting in 55-gallon drums

    SciTech Connect

    Apperson, Jason W; Clemmons, James S; Garcia, Michael D; Sur, John C; Zhang, Duan Z; Romero, Michael J

    2008-01-01

    Remote drum venting was performed on a population of unvented high activity drums (HAD) in the range of 63 to 435 plutonium equivalent Curies (PEC). These 55-gallon Transuranic (TRU) drums will eventually be shipped to the Waste Isolation Pilot Plant (WIPP). As a part of this process, the development of a calculational model was required to predict the transient hydrogen concentration response of the head space and polyethylene liner (if present) within the 55-gallon drum. The drum and liner were vented using a Remote Drum Venting System (RDVS) that provided a vent sampling path for measuring flammable hydrogen vapor concentrations and allow hydrogen to diffuse below lower flammability limit (LFL) concentrations. One key application of the model was to determine the transient behavior of hydrogen in the head space, within the liner, and the sensitivity to the number of holes made in the liner or number of filters. First-order differential mass transport equations were solved using Laplace transformations and numerically to verify the results. the Mathematica 6.0 computing tool was also used as a validation tool and for examining larger than two chamber systems. Results will be shown for a variety of configurations, including 85-gallon and 110-gallon overpack drums. The model was also validated against hydrogen vapor concentration assay measurements.

  12. Low temperature n-butane oxidation skeletal mechanism, based on multilevel approach

    SciTech Connect

    Strelkova, M.I.; Sukhanov, L.P.; Kirillov, I.A.; Safonov, A.A.; Umanskiy, S.Ya.; Potapkin, B.V.; Pasman, H.J.; Tentner, A.M.

    2010-04-15

    In order to reconcile an increasingly large deviation (order of magnitude) of the ignition delay time at decreasing initial temperature, computed using the prior art kinetic schemes, with the available experimental values, a new skeletal mechanism (54 species, 94 reactions) for low-temperature (500-800 K) ignition of n- butane in air based on ab initio calculations is developed. The skeletal mechanism obtained accurately reproduces n-butane combustion kinetics for the practically important ranges of pressure, temperature and fuel-air equivalence ratio, especially in the low-temperature range. The elaborated first principal skeletal chemical kinetic mechanism of n-butane oxidation was validated against available experimental results for normal and elevated initial pressure (1-15 atm) using the Chemical Work Bench code. A good agreement with experiments was shown. (author)

  13. The pros and cons of retained gallons payout in the sale of fueloil business

    SciTech Connect

    Hall, W.H. )

    1990-01-01

    Historically many fueloil businesses have been sold with at least a portion of the payout tied to the future delivery of gallons to the customers of the seller. This concept is usually not present in the sales of most retail businesses because future purchases by transferred customers is dependent on pricing, promotion, location, reputation, branding and other factors. In the case of fueloil, the customer is known to have a loyalty to the fueloil dealer, which in part is due to the need for service rendered to the heating equipment in the home. Periodic studies indicate customer loyalty is in the range of 8 to 10 years with the same dealer. In many markets, growth in the percentage of consumer price buyers who pay cash may be changing these loyalties. For example, in New Hampshire a recent study by the state energy office indicates that the percentage of fuel buyers who buy for cash has increased from 27.5% during the 1982-1983 heating season to 41.5% this past year. No one knows how this trend will impact on the sales of fueloil businesses via retained gallons. This article discusses the following: why customer lists should not be considered good will; underlying assumptions in sale; options of the seller; why misunderstandings occur; defining the account; definition of gallons to be counted; compatibility of policies; how much will be retained; and how to protect yourself and retention.

  14. Gasoline prices expected to fall below $2 per gallon in January on lower oil prices and lower seasonal demand

    Energy Information Administration (EIA) (indexed site)

    Gasoline prices expected to fall below $2 per gallon in January on lower oil prices and lower seasonal demand Falling crude oil prices along with refiners making less expensive winter-blend gasoline and the normal seasonal decline in motor fuel demand are expected to push the average pump price for gasoline below $2 per gallon in January. In its new monthly forecast, the U.S. Energy Information Administration said drivers are expected to pay an average of $1.97 per gallon to fill up at the

  15. U.S. gasoline price expected to average less than $2 a gallon both this year and next

    Energy Information Administration (EIA) (indexed site)

    U.S. gasoline price expected to average less than $2 a gallon both this year and next U.S. drivers are now expected to see back-to-back years of annual average gasoline prices below $2 per gallon for the first time in more than a decade. In its latest monthly forecast, the U.S. Energy Information Administration said low oil prices will keep the average annual price for a gallon of regular-grade gasoline at $1.89 this year and at $1.97 in 2017. The last time gasoline averaged less than $2 for two

  16. Alternative descriptions of catalyst deactivation in aromatization of propane and butane

    SciTech Connect

    Koshelev, Yu.N.; Vorob`ev, B.L.; Khvorova, E.P.

    1995-08-20

    Deactivation of a zeolite-containing catalyst has been studied in aromatization of propane and butane. Various descriptions of the dependence of the alkane conversion on the coke concentration on the catalyst have been considered, and using a statistical method of estimating the model validity, the most preferable form of the deactivation function has been proposed.

  17. Influence of temperature and process duration on composition of products of butane aromatization on zeolitic catalyst

    SciTech Connect

    Vorob`ev, B.L.; Trishin, P.Yu.; Koshelev, Yu.N.

    1995-06-10

    A study has been made of the influence of catalyst deactivation in the course of its service. The composition of products of butane aromatization on zeolitic catalyst and on selectivity of formation of target products and by-products is reported.

  18. Vapor-liquid equilibria and densities for the system butane + hexacontane

    SciTech Connect

    Nieuwoudt, I.

    1996-09-01

    Liquid and vapor phase compositions and densities have been measured with a variable volume cell for the binary system butane + hexacontane (n-C{sub 60}H{sub 122}). Data sets at 433.15 K, 438.15 K, and 453.15 K are presented and include measurements in the mixture critical region.

  19. Selective oxidation of n-butane and butenes over vanadium-containing catalysts

    SciTech Connect

    Nieto, J.M.L.; Concepcion, P.; Dejoz, A.; Knoezinger, H.; Melo, F.; Vazquez, M.I.

    2000-01-01

    The oxidative dehydrogenation (OXDH) of n-butane, 1-butene, and trans-2-butene on different vanadia catalysts has been compared. MgO, alumina, and Mg-Al mixed oxides with Mg/(Al + Mg) ratios of 0.25 and 0.75 were used as supports. The catalytic data indicate that the higher the acid character of catalysts the lower is both the selectivity to C{sub 4}-olefins from n-butane and the selectivity to butadiene from both 1-butene or trans-2-butene. Thus, OXDH reactions are mainly observed from n-butane and butenes on basic catalysts. The different catalytic performance of both types of catalysts is a consequence of the isomerization of olefins on acid sites, which appears to be a competitive reaction with the selective way, i.e., the oxydehydrogenation process by a redox mechanism. Infrared spectroscopy data of 1-butene adsorbed on supported vanadium oxide catalysts suggest the presence of different adsorbed species. O-containing species (carbonyl and alkoxide species) are observed on catalysts with acid sites while adsorbed butadiene species are observed on catalysts with basic sites. According to these results a reaction network for the oxydehydrogenation of n-butane is proposed with parallel and consecutive reactions.

  20. Cracking of n-butane catalyzed by iron- and maganese-promoted sulfated zirconia

    SciTech Connect

    Cheung, T.K.; d`Itri, J.L.; Gates, B.C.

    1995-05-01

    Fe- and Mn-promoted sulfated zirconia was used to catalyze the conversion of n-butane at atmospheric pressure and n-butane partial pressures in the range of 0.0025-0.01 atm. At temperatures <225{degrees}C, the significant reactions were isomerization and disproportionation; in the range of 225-300{degrees}C, these reactions were accompanied by cracking, and at temperatures >350{degrees}C, cracking and isomerization occurred. Catalyst deactivation, resulting at least in part from coke formation, was rapid. The primary cracking products were methane, ethane, ethylene, and propylene. The observation of these products along with an ethane/ethylene molar ratio of nearly 1 at 450{degrees}C is consistent with cracking occurring, at least in part, by the Haag-Dessau mechanism, whereby the strongly acidic catalyst protonates n-butane to give carbonium ions. The rate of methane formation from n-butane cracking catalyzed by Fe- and Mn-promoted sulfated zirconia at 450{degrees}C was about 3 x 10{sup {minus}9}mol/(g of catalyst {center_dot}s). This comparison suggests that the catalytic activity of the promoted sulfated zirconia at 450{degrees}C is about the same as that of the zeolite, although its activity for n-butane isomerization and disproportionation at temperatures <100{degrees}C is orders of magnitude greater than those of zeolites. Thus the indication of superacidity of the promoted sulfated zirconia does not extend to high temperatures. The results raise questions about the nature of the presumed superacidity: perhaps the low-temperature reactions may involve catalyst functions other than the acidic function responsible for high-temperature cracking reactions or perhaps superacidic sites may be very rapidly poisoned at cracking temperatures. 14 refs., 8 figs., 3 tabs.

  1. Impact and structural analysis of the INEL 55 gallon recycled shielded storage container

    SciTech Connect

    Richins, W.D.

    1996-07-01

    The INEL Recycled Shielded Storage Containers (RSSC) are designed primarily for the transportation and storage of mixed RH-TRU solid waste using recycled, potentially contaminated lead and stainless steel construction materials. Two versions of the RSSC have been developed accommodating either 30 or 55 gallon drums. This report addresses the structural qualification of the 55 gallon version of the RSSC to DOT 7A Type A requirements. The controlling qualification test is a 4 ft drop onto a rigid surface. During and after this test, the container contents must remain within the container and shielding must not be reduced. The container is also designed to withstand stacking, internal pressure, lifting loads, tiedown failure, penetration, and a range of temperatures. Nonlinear dynamic finite element analyses were performed using a range of material properties. Loads in the major connections and strains in the stainless steel and lead were monitored as a function of time during impact analyses for three simulated drop orientations. Initial results were used to develop the final design. For the final design, the stainless steel and lead have maximum strains well below ultimate levels except at an impact corner where additional deformation is acceptable. The predicted loads in the connections indicate that some yielding will occur but the containment and shielding will remain intact. The results presented here provide assurance that the container will pass the DOT 7A Type A drop tests as well as the other structural requirements.

  2. Diamond/diamond-like thin film growth in a butane plasma on unetched, unheated, N-type Si(100) substrates

    SciTech Connect

    Williams, E.S.; Richardson, J.S. Jr.; Anderson, D.; Starkey, K.

    1995-06-01

    Deposition of diamond/diamond-like thin films on unetched, unheated, n-type Si(100) substrates in a butane plasma is reported. An interconnection between values of index of refraction, hydrogen flow rate, butane flow rate and Rf power was determined. The H{sub 2} and C{sub 4}H{sub 10} molecules are disassociated by Rf energy to create a plasma. Carbon from the butane forms a thin diamond/diamond-like film on a suitable substrate, which in the current investigation, is n-type Si(100).

  3. Table Definitions, Sources, and Explanatory Notes

    Annual Energy Outlook

    These facilities control the quality of the natural gas to be marketed. Cycling plants are classified as gas processing plants. Normal Butane (C4H10) A normally gaseous straight ...

  4. Low-temperature superacid catalysis: Reactions of n-butane catalyzed by iron- and manganese-promoted sulfated zirconia

    SciTech Connect

    Cheung, T.K.; D`Itri, J.L.; Gates, B.C.

    1995-02-01

    Environmental concerns are leading to the replacement of aromatic hydrocarbons in gasoline with high-octane-number branched paraffins and oxygenated compounds such as methyl t-butyl ether, which is produced from methanol and isobutylene. The latter can be formed from n-butane by isomerization followed by dehydrogenation. To meet the need for improved catalysts for isomerization of n-butane and other paraffins, researchers identified solid acids that are noncorrosive and active at low temperatures. Sulfated zirconia catalyzes the isomerization of n-butane even at 25{degrees}C, and the addition of Fe and Mn promoters increases its activity by three orders of magnitude. Little is known about this new catalyst. Here the authors provide evidence of its performance for n-butane conversion, demonstrating that isomerization is accompanied by disproportionation and other, less well understood, acid-catalyzed reactions and undergoes rapid deactivation associated with deposition of carbonaceous material. 10 refs., 3 figs.

  5. Table 5.15 Fuel Oil and Kerosene Sales, 1984-2010 (Thousand Gallons)

    Energy Information Administration (EIA) (indexed site)

    5 Fuel Oil and Kerosene Sales, 1984-2010 (Thousand Gallons) Year Distillate Fuel Oil Residential Commercial Industrial Oil Company Farm Electric Power 1 Railroad Vessel Bunkering On-Highway Diesel Military Off-Highway Diesel Other Total 1984 8,215,722 5,538,184 2,555,898 848,083 3,201,600 648,665 2,944,694 1,763,782 16,797,423 700,788 1,756,077 700,864 45,671,779 1985 7,728,057 4,463,226 2,440,661 684,227 3,102,106 523,010 2,786,479 1,698,985 17,279,650 661,644 1,522,041 168,625 43,058,711 1986

  6. Formative time of breakdown modeled for the ignition of air and n-butane mixtures using effective ionization coefficients

    SciTech Connect

    Kudryavtsev, A. A.; Popugaev, S. D.; Demidov, V. I.; Adams, S. F.; Jiao, C. Q.

    2008-12-15

    It is shown that simulations of ignition by electric arc discharge in n-butane and air mixtures have interesting features, which deviate from results obtained by simple extension of calculations based on methanelike fuels. In particular, it is demonstrated that lowering the temperature of the n-butane-air mixture before ignition under certain conditions will actually decrease the ignition stage time as well as the required electric field.

  7. Dynamics of Exchange at Gas-Zeolite Interfaces 1: Pure Component n-Butane and Isobutane

    SciTech Connect

    CHANDROSS,MICHAEL E.; WEBB III,EDMUND B.; GREST,GARY S.; MARTIN,MARCUS G.; THOMPSON,AIDAN P.; ROTH,M.W.

    2000-07-13

    The authors present the results of molecular dynamics simulations of n-butane and isobutane in silicalite. They begin with a comparison of the bulk adsorption and diffusion properties for two different parameterizations of the interaction potential between the hydrocarbon species, both of which have been shown to reproduce experimental gas-liquid coexistence curves. They examine diffusion as a function of the loading of the zeolite, as well as the temperature dependence of the diffusion constant at loading and for infinite dilution. They continue with simulations in which interfaces are formed between single component gases and the zeolite. After reaching equilibrium, they examine the dynamics of exchange between the bulk gas and the zeolite. Finally, they calculate the permeability of the zeolite for n-butane and isobutane as a function of pressure. Their simulations are performed for a number of different gas temperatures and pressures, covering a wide range of state points.

  8. Hydrogen effect on n-butane isomerization over sulfated zirconia-based catalysts

    SciTech Connect

    Sayari, A.; Yang, Yong; Song, Xuemin

    1997-04-15

    Iron- and manganese-promoted sulfated zirconia (SFMZ) has been tested as an n-butane isomerization catalyst in the temperature range of 35 to 180{degrees}C. The catalytic activity exhibits an induction period whose length is dependent on the reaction conditions. The presence of H{sub 2} in the feed stream strongly suppresses n-butane conversion over unprompted sulfated zirconia (SZ) and over Pt-containing SFMZ (PtSFMZ). However, hydrogen had no effect on n-butane isomerization over SFMZ. These findings were interpreted on the basis of a bimolecular mechanism where unsaturated intermediates (carbenium ions and/or butene) are formed during the break-in period. The role of promoters (Fe and Mn) is not only facilitating the formation of hydrogen-deficient intermediates and their accumulation on the catalyst surface, but also enhancing their stability. The negative effect of hydrogen over PtSFMZ is attributed to the occurrence of atomic hydrogen via the dissociative adsorption of H{sub 2} on Pt. 40 refs., 7 figs., 1 tab.

  9. Biofiltration control of VOC and air toxic emissions: n-Butane and benzene

    SciTech Connect

    Allen, E.R.

    1996-12-31

    n-Butane and benzene vapors are routinely observed in urban atmospheres. Their presence in urban airsheds is of concern because of their ozone production potential as volatile organic compounds (VOCs) and/or potential toxicity. Also, these saturated hydrocarbons are representative of airborne aliphatic and aromatic compounds. Separate laboratory studies have been conducted on the biological elimination of n-butane (n-C{sub 4}H{sub 10}) and benzene (C{sub 6}H{sub 6}) from airstreams using treated compost biofilters. The removal efficiencies were found to exceed 90% for a conditioned biofilter medium and pollutant low concentrations (< 25 ppm) and zeroth order kinetics at higher concentrations (> 100 ppm), whereas benzene vapor elimination followed zeroth order kinetics at concentrations up to 200 ppm. The maximum n-butane and benzene elimination capacities observed for the compost biofilters and conditions employed were 25 and 70 g pollutant m{sup -3} h{sup -1}, respectively. 13 refs., 6 figs., 2 tabs.

  10. Aromatic and polycyclic aromatic hydrocarbon formation in a laminar premixed n-butane flame

    SciTech Connect

    Marinov, N.M.; Pitz, W.J.; Westbrook, C.K.; Vincitore, A.M.; Castaldi, M.J.; Senkan, S.M.; Melius, C.F.

    1998-07-01

    Experimental and detailed chemical kinetic modeling work has been performed to investigate aromatic and polycyclic aromatic hydrocarbon (PAH) formation pathways in a premixed, rich, sooting, n-butane-oxygen-argon burner stabilized flame. An atmospheric pressure, laminar flat flame operated at an equivalence ratio of 2.6 was used to acquire experimental data for model validation. Gas composition analysis was conducted by an on-line gas chromatograph/mass spectrometer technique. Measurements were made in the main reaction and post-reaction zones for a number of low molecular weight species, aliphatics, aromatics, and polycyclic aromatic hydrocarbons (PAHs) ranging from two to five-fused aromatic rings. Reaction flux and sensitivity analysis were used to help identify the important reaction sequences leading to aromatic and PAH growth and destruction in the n-butane flame. Reaction flux analysis showed the propargyl recombination reaction was the dominant pathway to benzene formation. The consumption of propargyl by H atoms was shown to limit propargyl, benzene, and naphthalene formation in flames as exhibited by the large negative sensitivity coefficients. Naphthalene and phenanthrene production was shown to be plausibly formed through reactions involving resonantly stabilized cyclopentadienyl and indenyl radicals. Many of the low molecular weight aliphatics, combustion by-products, aromatics, branched aromatics, and PAHs were fairly well simulated by the model. Additional work is required to understand the formation mechanisms of phenyl acetylene, pyrene, and fluoranthene in the n-butane flame. 73 refs.

  11. Oxidative dehydrogenation of ethane and n-butane on VO{sub x}/Al{sub 2}O{sub 3} catalysts

    SciTech Connect

    Blasco, T.; Galli, A.; Lopez Neito, J.M.; Trifiro, F.

    1997-07-01

    The catalytic properties of vanadium oxides/aluminium oxides were investigated in the dehydrogenation of ethane and n-butane. The importance of Lewis acid sites is described.

  12. Pressure and concentration dependences of the autoignition temperature for normal butane + air mixtures in a closed vessel

    SciTech Connect

    Chandraratna, M.R.; Griffiths, J.F. . School of Chemistry)

    1994-12-01

    The condition at which autoignition occurs in lean premixed n-butane + air mixtures over the composition range 0.2%--2.5% n-butane by volume (0.06 < [phi] < 0.66) were investigated experimentally. Total reactant pressure from 0.1 to 0.6 MPa (1--6 atm) were studied in a spherical, stainless-steel, closed vessel (0.5 dm[sup 3]). There is a critical transition from nonignition to ignition, at pressures above 0.1 MPa, as the mixture is enriched in the vicinity of 1% fuel vapor by volume. There is also a region of multiplicity, which exhibits three critical temperatures at a given composition. Chemical analyses show that partially oxygenated components,including many o-heterocyclic compounds, are important products of the lean combustion of butane at temperatures up to 800 K. The critical conditions for autoignition are discussed with regard to industrial ignition hazards, especially in the context of the autoignition temperature of alkanes given by ASTM or BS tests. The differences between the behavior of n-butane and the higher n-alkanes are explained. The experimental results are also used as a basis for testing a reduced kinetic model to represent the oxidation and autoignition of n-butane or other alkanes.

  13. Effect of Pt and H{sub 2} on n-butane isomerization over Fe and Mn promoted sulfated zirconia

    SciTech Connect

    Song, Xuemin; Reddy, K.R.; Sayari, A.

    1996-06-01

    The activity of a 0.4 wt% Pt-containing Fe and Mn promoted sulfated zirconia (PtSFMZ) catalyst in n-butane isomerization at 35{degrees}C was compared to that of a Pt-free catalyst (SFMZ). The maximum rate of n-butane conversion observed in helium over PtSFMZ was found to be 2.5 times higher than that over the SFMZ catalyst under the same conditions. It is believed that n-butane isomerization proceeds via a bimolecular mechanism in which the formation of hydrogen-deficient intermediates (carbenium ions and butenes), is necessary and the presence of transition metals such as Pt, Fe, and Mn on sulfated zirconia facilitates the formation/accumulation of these intermediates and increases their stability on the catalyst surface. The presence of H{sub 2} had a strong negative effect on n-butane conversion over PtSFMZ, but had no effect over SFMZ. The negative effect of H{sub 2} on PtSFMZ catalyst in n-butane isomerization reaction was attributed to the decreased concentration of butenes in the presence of hydrogen atoms which are formed by the dissociation of H{sub 2} on Pt. The ability of calcined Pt-containing catalysts to activate hydrogen at 35{degrees}C was demonstrated. Reduced SFMZ with or without Pt was not active at 35{degrees}C regardless of the nature of the carrier gas. 42 refs., 5 figs.

  14. Structure of an n-butane monolayer adsorbed on magnesium oxide (100)

    SciTech Connect

    Arnold, T.; Chanaa, S.; Cook, R. E.; Clarke, S. M.; Larese, J. Z.

    2006-08-15

    Neutron diffraction has been used to characterize the structure of the solid phase of the completed monolayer of n butane on the MgO(100) surface at low temperature. The monolayer is found to adopt a commensurate (7{radical}(2)x{radical}(2)R45 deg. ) structure with lattice constants a=29.47 A ring and b=4.21 A ring , P{sub 2gg} symmetry and four molecules in the unit cell. Excellent agreement with the experimental diffraction pattern is realized, using a Lorenztian profile to describe the line shape.

  15. Low-temperature superacid catalysis: Reactions of n - butane and propane catalyzed by iron- and manganese-promoted sulfated zirconia

    SciTech Connect

    Tsz-Keung, Cheung; d`Itri, J.L.; Lange, F.C.; Gates, B.C.

    1995-12-31

    The primary goal of this project is to evaluate the potential value of solid superacid catalysts of the sulfated zirconia type for light hydrocarbon conversion. The key experiments catalytic testing of the performance of such catalysts in a flow reactor fed with streams containing, for example, n-butane or propane. Fe- and Mn-promoted sulfated zirconia was used to catalyze the conversion of n-butane at atmospheric pressure, 225-450{degrees}C, and n-butane partial pressures in the range of 0.0025-0.01 atm. At temperatures <225{degrees}C, these reactions were accompanied by cracking; at temperatures >350{degrees}C, cracking and isomerization occurred. Catalyst deactivation, resulting at least in part from coke formation, was rapid. The primary cracking products were methane, ethane, ethylene, and propylene. The observation of these products along with an ethane/ethylene molar ratio of nearly 1 at 450{degrees}C is consistent with cracking occurring, at least in part, by the Haag-Dessau mechanism, whereby the strongly acidic catalyst protonates n-butane to give carbonium ions. The rate of methane formation from n-butane cracking catalyzed by Fe- and Mn-promoted sulfated zirconia at 450{degrees}C was about 3 x 10{sup -8} mol/(g of catalyst {center_dot}s). The observation of butanes, pentanes, and methane as products is consistent with Olah superacid chemistry, whereby propane is first protonated by a very strong acid to form a carbonium ion. The carbonium ion then decomposes into methane and an ethyl cation which undergoes oligocondensation reactions with propane to form higher molecular weight alkanes. The results are consistent with the identification of iron- and manganese-promoted sulfated zirconia as a superacid.

  16. n-Butane: Ignition delay measurements at high pressure and detailed chemical kinetic simulations

    SciTech Connect

    Healy, D.; Curran, H.J.; Donato, N.S.; Aul, C.J.; Petersen, E.L.; Zinner, C.M.; Bourque, G.

    2010-08-15

    Ignition delay time measurements were recorded at equivalence ratios of 0.3, 0.5, 1, and 2 for n-butane at pressures of approximately 1, 10, 20, 30 and 45 atm at temperatures from 690 to 1430 K in both a rapid compression machine and in a shock tube. A detailed chemical kinetic model consisting of 1328 reactions involving 230 species was constructed and used to validate the delay times. Moreover, this mechanism has been used to simulate previously published ignition delay times at atmospheric and higher pressure. Arrhenius-type ignition delay correlations were developed for temperatures greater than 1025 K which relate ignition delay time to temperature and concentration of the mixture. Furthermore, a detailed sensitivity analysis and a reaction pathway analysis were performed to give further insight to the chemistry at various conditions. When compared to existing data from the literature, the model performs quite well, and in several instances the conditions of earlier experiments were duplicated in the laboratory with overall good agreement. To the authors' knowledge, the present paper presents the most comprehensive set of ignition delay time experiments and kinetic model validation for n-butane oxidation in air. (author)

  17. Studies of n-butane conversion over silica-supported platinum, platinum-silver and platinum-copper catalysts

    SciTech Connect

    Gu, Junhua

    1992-06-09

    The present work was undertaken to elucidate effect of adding silver and copper to silica-supported platinum catalyst on the activity and selectivity in the n-butane reactions. At the conditions of this study n-butane underwent both hydrogenolysis and structural isomerization. The catalytic activity and selectivities between hydrogenolysis and isomerization and within hydrogenolysis were measured at temperature varying from 330 C to 370 C. For platinum-silver catalysts, at lower temperatures studied the catalytic activity per surface platinum atom (turnover frequency) remained constant at lower silver content (between 0 at. % and 30 at. %) and decreased with further increased silver loading, suggesting that low- index planes could be dominant in the hydrogenolysis of n-butane. Moreover, increasing silver content resulted in an enhancement of the selectivity of isomerization products relative to hydrogenolysis products. At the higher temperature studied, no suppression in catalytic activity was observed. It is postulated that surface structure could change due to the mobility of surface silver atoms, leading to surface silver atoms forming islands or going to the bulk, and leaving large portions of basal planes exposed with active platinum atoms. It is also suggested that the presence of inert silver atoms results in weakening of the H-surface bond. This results in increased mobility of hydrogen atoms on the surface and hence, higher reactivity with other adsorbed species. For platinum copper catalysts, the mixed ensembles could play an active role in the hydrogenolysis of n-butane.

  18. Support shape effect in metal oxide catalysis: ceria nanoshapes supported vanadia catalysts for oxidative dehydrogenation of iso-butane

    SciTech Connect

    Wu, Zili; Schwartz, Viviane; Li, Meijun; Rondinone, Adam Justin; Overbury, Steven {Steve} H

    2012-01-01

    The activation energy of VOx/CeO2 catalysts in oxidative dehydrogenation of iso-butane was found dependent on the shape of ceria support: rods < octahedra, closely related to the surface oxygen vacancy formation energy and defects amount of the two ceria supports with different crystallographic surface planes.

  19. Adsorption of iso-/n-butane on an Anatase Thin Film: A Molecular Beam Scattering and TDS Study

    SciTech Connect

    Goering, J.; Kadossov, E.; Burghaus, Uwe; Yu, Zhongqing; Thevuthasan, Suntharampillai; Saraf, Laxmikant V.

    2007-07-01

    Binding energies and adsorption probabilities have been determined for n/iso-butane adsorption on an anatase thin film grown on SrTiO3(001) by means of thermal desorption spectroscopy (TDS) and molecular beam scattering. The sample has been characterized by x-ray diffraction (XRD) and Auger electrons spectroscopy (AES).

  20. NREL Helps Clean Cities Displace Billions of Gallons of Petroleum, One Vehicle at a Time (Fact Sheet)

    SciTech Connect

    Not Available

    2010-10-01

    With more than 15 years and nearly 3 billion gallons of displaced petroleum under its belt, the Clean Cities program relies on the support and expertise of the National Renewable Energy Laboratory (NREL). An initiative of the U.S. Department of Energy (DOE), Clean Cities creates public-private partnerships with a common mission: to reduce petroleum consumption in the transportation sector. Since the inception of Clean Cities in 1993, NREL has played a central role in supporting the program, an effort that stems from the laboratory's strategy to put scientific innovation into action in the marketplace.

  1. Skeletal isomerization of n-butane on zeolites and sulfated zirconium oxide promoted by platinum: Effect of reaction pressure

    SciTech Connect

    Kuei-jung Chao; Hung-chung Wu; Li-jen Leu

    1995-12-01

    The isomerization of n-butane catalyzed by sulfated zirconium oxide and H-form zeolites with the promotion of platinum has been studied by measurements of the conversion and product distribution at temperatures of between 240 and 390{degrees}C at atmospheric pressure and at 20.4 atm. The skeletal isomerization proceeds mainly via the bimolecular disproportionation mechanism on Pt/H-zeolite at 1 atm and via the monomolecular carbocation mechanism on Pt/SO{sub 4}{sup 2}-ZrO{sub 2} at temperatures of 300{degrees}C at both 1 and 20.4 atm. At 20.4 atm pressure, the monomolecular cracking and isomerization of butane can also occur on Pt/H-zeolite. Hydrogen molecules may be dissociated and converted to hydride and proton ions on Pt/SO{sub 4}{sup -2}--ZrO{sub 2}, promoting the desorption of surface carbenium ions and the cracking of butane molecules, which have been enhanced under high reaction pressures. 16 refs., 1 fig., 2 tabs.

  2. n-Alkanes on MgO(100). I: Coverage-Dependent Desorption Kinetics of n-Butane

    SciTech Connect

    Tait, Steven L.; Dohnalek, Zdenek; Campbell, C T.; Kay, Bruce D.

    2005-04-22

    High quality temperature programmed desorption (TPD) measurements of n-butane from MgO(100) have been made for a large number of initial butane coverages (0-3.70 ML) and a wide range of heating ramp rates (0.3-10 K/s). We present a TPD analysis technique which allows the coverage-dependent desorption energy to be accurately determined by mathematical inversion of a TPD spectrum, assuming only that the prefactor is coverage-independent. A variational method is used to determine the prefactor that minimizes the difference between a set of simulated TPD spectra and corresponding experimental data. The best fit for butane desorption from MgO is obtained with a prefactor of 1015.7?1.6 s-1. The desorption energy is 34.9?3.4 kJ/mol at 0.5 ML coverage, and varies with coverage. Simulations based on these results can accurately reproduce TPD experiments for submonolayer initial coverages over a wide range of heating ramp rates (0.3-10 K/s). Advantages and limitations of this method are discussed.

  3. The kinetic significance of V{sup 5+} in n-butane oxidation catalyzed by vanadium phosphates

    SciTech Connect

    Coulston, G.W.; Harlow, R.; Herron, N.

    1997-01-10

    Maleic anhydride, a precursor to polyester resins, is made by oxidation of n-butane over vanadium phosphate catalysts. This system is of general interest because it is the only heterogeneously catalyzed, alkane-selective oxidation reaction in commercial use. Time-resolved in situ x-ray absorption spectroscopy shows that when either {alpha}{sub 1}-VOPO{sub 4}/SiO{sub 2} or (VO){sub 2}P{sub 2}O{sub 7}/SiO{sub 2} catalysts are exposed to n-butane, the rate of maleic anhydride formation is proportional to the rate of decay of V{sup 5+} species in the catalyst. Thus V{sup 5+} species are kinetically significant for the production of maleic anhydride and not just for the production of by-products. The results also suggest that V{sup 5+} species in the catalyst. Thus V{sup 5+} species are kinetically significant for the production of maleic anhydride and not just for the production of by-products. The results also suggest that V{sup 5+} species may play a role in the initial hydrogen abstraction from n-butane, the rate-determining step in the reaction sequence. V{sup 4+} sites appear to be responsible for by-product formation.

  4. Kinetic study of the oxidation of n-butane on vanadium oxide supported on Al/Mg mixed oxide

    SciTech Connect

    Dejoz, A.; Vazquez, I.; Nieto, J.M.L.; Melo, F.

    1997-07-01

    The reaction kinetics of the oxidative dehydrogenation (ODH) of n-butane over vanadia supported on a heat-treated Mg/Al hydrotalcite (37.3 wt % of V{sub 2}O{sub 5}) was investigated by both linear and nonlinear regression techniques. A reaction network including the formation of butenes (1-, 2-cis-, and 2-trans-butene), butadiene, and carbon oxides by parallel and consecutive reactions, at low and high n-butane conversions, has been proposed. Langmuir-Hinshelwood (LH) models can be used as suitable models which allows reproduction of the global kinetic behavior, although differences between oxydehydrogenation and deep oxidation reactions have been observed. Thus, the formation of oxydehydrogenation products can be described by a LH equation considering a dissociative adsorption of oxygen while the formation of carbon oxides is described by a LH equation with a nondissociative adsorption of oxygen. Two different mechanisms operate on the catalyst: (i) a redox mechanism responsible of the formation of olefins and diolefins and associated to vanadium species, which is initiated by a hydrogen abstraction; (ii) a radical mechanism responsible of the formation of carbon oxides from n-butane and butenes and associated to vanadium-free sites of the support. On the other hand, the selectivity to oxydehydrogenation products increases with the reaction temperature. This catalytic performance can be explained taking into account the low reducibility of V{sup 5+}-sites and the higher apparent activation energies of the oxydehydrogenation reactions with respect to deep oxidation reactions.

  5. A study of the kinetics and mechanism of the adsorption and anaerobic partial oxidation of n-butane over a vanadyl pyrophosphate catalyst

    SciTech Connect

    Sakakini, B.H.; Taufiq-Yap, Y.H.; Waugh, K.C.

    2000-01-25

    The interaction of n-butane with a ((VO){sub 2}P{sub 2}O{sub 7}) catalyst has been investigated by temperature-programmed desorption and anaerobic temperature-programmed reaction. n-Butane has been shown to adsorb on the (VO){sub 2}P{sub 2}O{sub 7} to as a butyl-hydroxyl pair. When adsorption is carried out at 223 K, upon temperature programming some of the butyl-hydroxyl species recombine resulting in butane desorption at 260 K. However, when adsorption is carried out at 423 K, the hydroxyl species of the butyl-hydroxyl pair migrate away from the butyl species during the adsorption, forming water which is detected in the gas phase. Butane therefore is not observed to desorb at 260 K after the authors lowered the temperature to 223 K under the butane/helium from the adsorption temperature of 423 K prior to temperature programming from that temperature to 1100 K under a helium stream. Anaerobic temperature-programmed oxidation of n-butane produces butene and butadiene at a peak maximum temperature of 1000 K; this is exactly the temperature at which, upon temperature programming, oxygen evolves from the lattice and desorbs as O{sub 2}. This, and the fact that the amount of oxygen desorbing from the (VO){sub 2}P{sub 2}O{sub 7} at {approximately}1000 K is the same as that required for the oxidation of the n-butane to butene and butadiene, strongly suggests (1) that lattice oxygen as it emerges at the surface is the selective oxidant and (2) that its appearance at the surface is the rate-determining step in the selective oxidation of n-butane. The surface of the (VO){sub 2}P{sub 2}O{sub 7} catalyst on which this selective oxidation takes place has had approximately two monolayers of oxygen removed from it by unselective oxidation of the n-butane to CO, CO{sub 2}, and H{sub 2}O between 550 and 950 K and has had approximately one monolayer of carbon deposited on it at {approximately}1000 K. It is apparent, therefore, that the original crystallography of the (VO){sub 2}P

  6. Ignition of ethane, propane, and butane in counterflow jets of cold fuel versus hot air under variable pressures

    SciTech Connect

    Fotache, C.G.; Wang, H.; Law, C.K.

    1999-06-01

    This study investigates experimentally the nonpremixed ignition of ethane, propane, n-butane, and isobutane in a configuration of opposed fuel versus heated air jets. For each of these fuels the authors explore the effects of inert dilution, system pressure, and flow strain rate, for fuel concentrations ranging between 3--100% by volume, pressures between 0.2 and 8 atm, and strain rates of 100--600 s{sup {minus}1}. Qualitatively, these fuels share a number of characteristics. First, flame ignition typically occurs after an interval of mild oxidation, characterized by minimal heat release, fuel conversion, and weak light emission. The temperature extent of this regime decreases with increasing the fuel concentration, the ambient pressure, or the flow residence time. Second, the response to strain rate, pressure, and fuel concentration is similar for all investigated fuels, in that the ignition temperatures monotonically decrease with increasing fuel content, decreasing flow strain, and increasing ambient pressure. The C{sub 4} alkanes, however, exhibit three distinct p-T ignition regimes, similar to the homogeneous explosion limits. Finally, at 1 atm, 100% fuel, and a fixed flow strain rate the ignition temperature increases in the order of ethane < propane < n-butane < i-butane. Numerical simulation was conducted for ethane ignition using detailed reaction kinetics and transport descriptions. The modeling results suggest that ignition for all fuels studied at pressures below 5 atm is initiated by fuel oxidation following the high-temperature mechanism of radical chain branching and with little contribution by low-to-intermediate temperature chemistry.

  7. Selective aromatization of C[sub 3]- and C[sub 4]-paraffins over modified encilite catalysts: 2. Kinetics of n-butane aromatization

    SciTech Connect

    Jana, A.K.; Rao, M.S. . Dept. of Chemical Engineering)

    1993-11-01

    The kinetics of the aromatization of n-butane over Zn-encilite catalyst was studied in a fixed bed reactor under steady-state conditions at atmospheric pressure and in the temperature range of 480--540 C. The experimental data were analyzed, and a dual-site mechanism was proposed. Six rate equations of the Langmuir-Hinshelwood type were tested. The unknown parameters in the rate equations were estimated by a nonlinear regression method. A kinetic equation for n-butane aromatization is proposed.

  8. Solvent vapor recovery by pressure swing adsorption. 1: Experimental transient and periodic dynamics of the butane-activated carbon system

    SciTech Connect

    Liu, Y.; Holland, C.E.; Ritter, J.A.

    1998-11-01

    An experimental investigation was carried out for the separation and recovery of butane vapor (10 to 40 vol%) from nitrogen using Westvaco BAX activated carbon in a twin-bed pressure swing adsorption (PSA) system utilizing a 4-step Skarstrom-type cycle. Twenty-four runs, covering a broad range of process and initial column conditions, were performed to investigate the transient and period process dynamics. In all cases the approach to the periodic state was very slow, taking up to 160 cycles depending on the initial condition of the beds; and peak bed temperatures of up to 105 C were observed depending on both the initial condition of the beds and the process conditions. Also, the periodic state of each run was unique when approaching a new periodic state from less contaminated beds. The uniqueness of the periodic states, together with the exceedingly high peak temperatures, inferred much about the practice of preconditioning beds to avoid high temperature excursions. The periodic enriched butane vapor concentration histories also gave considerable insight into new cycle designs for improved solvent vapor enrichment.

  9. Toward Understanding the Nature of Internal Rotation Barriers with a New Energy Partition Scheme: Ethane and n-Butane

    SciTech Connect

    Liu, Shubin; Govind, Niri

    2008-07-24

    Based on an alternative energy partition scheme where density-based quantification of the steric effect was proposed [S.B. Liu, J. Chem. Phys. 126, 244103 (2007)], the origin of the internal rotation barrier between the eclipsed and staggered conformers of ethane and n-butane is systematically investigated in this work. The new definition is repulsive, exclusive, and extensive, and is intrinsically related to Baders atoms in molecules approach. Two kinds of differences, adiabatic (with optimal structure) and vertical (with fixed geometry), are considered in this work. We find that in the adiabatic case the eclipsed conformer possesses a larger steric repulsion than the staggered conformer for both molecules, but in the vertical cases the staggered conformer retains a larger steric repulsion. For ethane, a strong correlation between the total energy difference and the fermionic quantum energy difference is discovered. This linear relationship, however, does not hold for n-butane, whose behaviors in energy component differences are found to be more complicated. The impact of basis set and density functional choices on energy components from the new energy partition scheme has been investigated, as has its comparison with another definition of the steric effect in the literature in terms of the natural bond orbital analysis through the Pauli Exclusion Principle. Profiles of conceptual DFT reactivity indices as a function of dihedral angle changes have also been examined. Put together, these results suggest that the new energy partition scheme provides insights from a different perspective of internal rotation barriers.

  10. Ethane and n-butane oxidation over supported vanadium oxide catalysts: An in situ UV-visible diffuse reflectance spectroscopic investigation

    SciTech Connect

    Gao, X.; Banares, M.A.; Wachs, I.E.

    1999-12-10

    The coordination/oxidation states of surface vanadium oxide species on several oxide supports (Al{sub 2}O{sub 3}, ZrO{sub 2}, SiO{sub 2}) during ethane and n-butane oxidation were examined by in situ UV-vis diffuse reflectance spectroscopy (DRS). Only a small amount of the surface V(V)cations are reduced to V(IV)/V(III) cations under present steady-state reaction conditions. The extents of reduction of the surface V(V) species are a strong function of the specific oxide support, V{sub 2}O{sub 5}/ZrO{sub 2} {gt} V{sub 2}O{sub 5}/Al{sub 2}O{sub 5}/Al{sub 2}O{sub 3} {gt} V{sub 2}O{sub 5}/SiO{sub 2}, and also correlate with their reactivities (turnover frequencies) for ethane and n-butane oxidation reactions. For ZrO{sub 2}-supported samples, the polymerized surface vanadia species were found to be more easily reduced than the isolated surface vanadia species in reducing environments (i.e., ethane or n-butane in He), but no significant differences in the extents of reduction were observed under present steady-state reaction conditions (i.e., ethane/O{sub 2}/He or n-butane/O{sub 2}/He). This observation is also consistent with the ethane oxidation catalytic study, which revealed that the polymerization degree, the domain size, of the surface vanadia species does not appear to significantly affect the reactivity of the supported vanadia catalysts for ethane oxidation.

  11. Initial activity of reduced chromia/alumina catalyst in n-butane dehydrogenation monitored by on-line FT-IR gas analysis

    SciTech Connect

    Hakuli, A.; Kytoekivi, A.; Suntola, T.

    1996-06-01

    The initial activity of chromia/alumina catalyst (13 wt% Cr) in n-butane dehydrogenation was studied in a flow reactor at 853 K. The initial activity was determined by on-line FT-IR gas analysis, which enabled sampling of the gaseous product mixture at a time resolution of seconds. The catalysts were processed in repeated cycles of oxidation, reduction, and dehydrogenation using n-butane, methane, hydrogen, or carbon monoxide as reducing agents. With n-butane, methane, and hydrogen and dehydrogenation activity was associated with Cr{sup 3+} species apparently formed in the reduction of high-valence Cr species. The catalyst reduced with carbon monoxide at 853 K showed poor initial selectivity for butenes and, relative to the other catalysts. Simultaneous data relating the initial activity, coke content, and some of the physicochemical properties of the catalyst indicated that the surfaces of all catalysts were modified to some extent by the successive reaction cycles. 33 refs., 7 figs., 2 tabs.

  12. Role of metal-support interactions on the activity of Pt and Rh catalysts for reforming methane and butane.

    SciTech Connect

    Rossignol, C.; Krause, T.; Krumpelt, M.

    2002-01-11

    For residential fuel cell systems, reforming of natural gas is one option being considered for providing the H{sub 2} necessary for the fuel cell to operate. Industrially, natural gas is reformed using Ni-based catalysts supported on an alumina substrate, which has been modified to inhibit coke formation. At Argonne National Laboratory, we have developed a new family of catalysts derived from solid oxide fuel cell technology for reforming hydrocarbon fuels to generate H{sub 2}. These catalysts consist of a transition metal supported on an oxide-ion-conducting substrate, such as ceria, that has been doped with a small amount of a non-reducible element, such as gadolinium, samarium, or zirconium. Unlike alumina, the oxide-ion-conducting substrate has been shown to induce strong metal-support interactions. Metal-support interactions are known to play an important role in influencing the catalytic activity of many metals supported on oxide supports. Based on results from temperature-programmed reduction/oxidation and kinetic reaction studies, this paper discusses the role of the metal and the substrate in the metal-support interactions, and how these interactions influence the activity and the selectivity of the catalyst in reforming methane and butane to hydrogen for use in fuel cell power systems.

  13. Autoignited laminar lifted flames of methane, ethylene, ethane, and n-butane jets in coflow air with elevated temperature

    SciTech Connect

    Choi, B.C.; Chung, S.H.

    2010-12-15

    The autoignition characteristics of laminar lifted flames of methane, ethylene, ethane, and n-butane fuels have been investigated experimentally in coflow air with elevated temperature over 800 K. The lifted flames were categorized into three regimes depending on the initial temperature and fuel mole fraction: (1) non-autoignited lifted flame, (2) autoignited lifted flame with tribrachial (or triple) edge, and (3) autoignited lifted flame with mild combustion. For the non-autoignited lifted flames at relatively low temperature, the existence of lifted flame depended on the Schmidt number of fuel, such that only the fuels with Sc > 1 exhibited stationary lifted flames. The balance mechanism between the propagation speed of tribrachial flame and local flow velocity stabilized the lifted flames. At relatively high initial temperatures, either autoignited lifted flames having tribrachial edge or autoignited lifted flames with mild combustion existed regardless of the Schmidt number of fuel. The adiabatic ignition delay time played a crucial role for the stabilization of autoignited flames. Especially, heat loss during the ignition process should be accounted for, such that the characteristic convection time, defined by the autoignition height divided by jet velocity was correlated well with the square of the adiabatic ignition delay time for the critical autoignition conditions. The liftoff height was also correlated well with the square of the adiabatic ignition delay time. (author)

  14. Feasibility study report for the Imperial Valley Ethanol Refinery: a 14. 9-million-gallon-per-year ethanol synfuel refinery utilizing geothermal energy

    SciTech Connect

    Not Available

    1981-03-01

    The construction and operation of a 14,980,000 gallon per year fuel ethanol from grain refinery in the Imperial Valley of California is proposed. The Imperial Valley Ethanol Refinery (refinery) will use hot geothermal fluid from geothermal resources at the East Mesa area as the source of process energy. In order to evaluate the economic viability of the proposed Project, exhaustive engineering, cost analysis, and financial studies have been undertaken. This report presents the results of feasibility studies undertaken in geothermal resource, engineering, marketing financing, management, environment, and permits and approvals. The conclusion of these studies is that the Project is economically viable. US Alcohol Fuels is proceeding with its plans to construct and operate the Refinery.

  15. Carbon nanotube-induced preparation of vanadium oxide nanorods: Application as a catalyst for the partial oxidation of n-butane

    SciTech Connect

    Chen Xiaowei; Zhu Zhenping; Haevecker, Michael; Su Dangsheng . E-mail: dangsheng@fhi-berlin.mpg.de; Schloegl, Robert

    2007-02-15

    A vanadium oxide-carbon nanotube composite was prepared by solution-based hydrolysis of NH{sub 4}VO{sub 3} in the presence of carbon nanotubes. The carbon nanotubes induce the nucleation of the 1D vanadium oxide nanostructures, with the nuclei growing into long freestanding nanorods. The vanadium oxide nanorods with the lengths up to 20 {mu}m and the widths of 5-15 nm exhibit a well-ordered crystalline structure. Catalytic tests show that the composite with nanostructured vanadium oxide is active for the partial oxidation of n-butane to maleic anhydride at 300 deg. C.

  16. Host cells and methods for producing 3-methyl-2-buten-1-ol, 3-methyl-3-buten-1-ol, and 3-methyl-butan-1-ol

    DOEpatents

    Chou, Howard H.; Keasling, Jay D.

    2011-07-26

    The invention provides for a method for producing a 5-carbon alcohol in a genetically modified host cell. In one embodiment, the method comprises culturing a genetically modified host cell which expresses a first enzyme capable of catalyzing the dephosphorylation of an isopentenyl pyrophosphate (IPP) or dimethylallyl diphosphate (DMAPP), such as a Bacillus subtilis phosphatase (YhfR), under a suitable condition so that 5-carbon alcohol is 3-methyl-2-buten-1-ol and/or 3-methyl-3-buten-1-ol is produced. Optionally, the host cell may further comprise a second enzyme capable of reducing a 3-methyl-2-buten-1-ol to 3-methyl-butan-1-ol, such as a reductase.

  17. The V{sup 4}+/V{sup 5+} balance as a criterion of selection of vanadium phosphorus oxide catalysts for n-butane oxidation to maleic anhydride: A proposal to explain the role of Co and Fe dopants

    SciTech Connect

    Sananes-Schulz, M.T.; Tuel, A.; Volta, J.C.; Hutchings, G.J.

    1997-03-01

    Vanadium phosphorous oxide catalysts (VPO) are well known for the oxidation of n-butane to maleic anhydride, and many papers and patents have been published in the literature on this catalytic system. Concerning the valence state of vanadium in the active surface, a V{sup 4+}/V{sup 5+} equilibrium on the surface of a vanadyl pyrophosphate during n-butane oxidation has been demonstrated which is dependent on the time of activation. In the present note, we study the modifications, as determined by {sup 31}P NMR by spin echo mapping, which are induced in the physicochemical characteristics of VPO catalysts which have major differences in their morphologies when doped with iron and cobalt at a low percentage (1%) and the correlation with their catalytic performances. 21 refs., 5 figs., 2 tabs.

  18. Bimetallic Ni-Rh catalysts with low amounts of Rh for the steam and autothermal reforming of n-butane for fuel-cell applications.

    SciTech Connect

    Ferrandon, M.; Kropf, A. J.; Krause, T.; Chemical Sciences and Engineering Division

    2010-05-15

    Mono-metallic nickel and rhodium catalysts and bimetallic Ni-Rh catalysts supported on La-Al{sub 2}O{sub 3}, CeZrO{sub 2} and CeMgOx were prepared and evaluated for catalyzing the steam and autothermal reforming of n-butane. The binary Ni-Rh supported on La-Al{sub 2}O{sub 3} catalysts with low weight loading of rhodium exhibited higher H{sub 2} yields than Ni or Rh alone. The Ni-Rh/CeZrO{sub 2} catalyst exhibited higher performance and no coke formation, compared to the same metals on other supports. A NiAl{sub 2}O{sub 4} spinel phase was obtained on all Ni and Ni-Rh catalysts supported on La-Al{sub 2}O{sub 3}. The presence of rhodium stabilized the spinel phase as well as NiOx species upon reforming while Ni alone was mostly reduced into metallic species. Extended X-ray absorption fine-structure analysis showed evidence of Ni-Rh alloy during preparation and even further after an accelerated aging at 900C in a H{sub 2}/H{sub 2}O atmosphere.

  19. Role of the reaction intermediates in determining PHIP (parahydrogen induced polarization) effect in the hydrogenation of acetylene dicarboxylic acid with the complex [Rh (dppb)]{sup +} (dppb: 1,4-bis(diphenylphosphino)butane)

    SciTech Connect

    Reineri, F.; Aime, S.; Gobetto, R.; Nervi, C.

    2014-03-07

    This study deals with the parahydrogenation of the symmetric substrate acetylene dicarboxylic acid catalyzed by a Rh(I) complex bearing the chelating diphosphine dppb (1,4-bis(diphenylphosphino)butane). The two magnetically equivalent protons of the product yield a hyperpolarized emission signal in the {sup 1}H-NMR spectrum. Their polarization intensity varies upon changing the reaction solvent from methanol to acetone. A detailed analysis of the hydrogenation pathway is carried out by means of density functional theory calculations to assess the structure of hydrogenation intermediates and their stability in the two solvents. The observed polarization effects have been accounted on the basis of the obtained structures. Insights into the lifetime of a short-lived reaction intermediate are also obtained.

  20. Pt3Ru6 Clusters Supported on gamma-Al2O3: Synthesis from Pt3Ru6(Cu)21(u3-H)(u-H)3, Structural Characterization, and Catalysis of Ethylene Hydrogenation and n-Butane Hydrogenolysis

    SciTech Connect

    Chotisuwan,S.; Wittayakun, J.; Gates, B.

    2006-01-01

    The supported clusters Pt-Ru/{gamma}-Al{sub 2}O{sub 3} were prepared by adsorption of the bimetallic precursor Pt{sub 3}Ru{sub 6}(Cu){sub 21}({mu}{sub 3}-H)({mu}-H){sub 3} from CH{sub 2}Cl{sub 2} solution onto {gamma}-Al{sub 2}O{sub 3} followed by decarbonylation in He at 300 C. The resultant supported clusters were characterized by infrared (IR) and extended X-ray absorption fine structure (EXAFS) spectroscopies and as catalysts for ethylene hydrogenation and n-butane hydrogenolysis. After adsorption, the {nu}{sub CO} peaks characterizing the precursor shifted to lower wavenumbers, and some of the hydroxyl bands of the support disappeared or changed, indicating that the CO ligands of the precursor interacted with support hydroxyl groups. The EXAFS results show that the metal core of the precursor remained essentially unchanged upon adsorption, but there were distortions of the metal core indicated by changes in the metal-metal distances. After decarbonylation of the supported clusters, the EXAFS data indicated that Pt and Ru atoms interacted with support oxygen atoms and that about half of the Pt-Ru bonds were maintained, with the composition of the metal frame remaining almost unchanged. The decarbonylated supported bimetallic clusters reported here are the first having essentially the same metal core composition as that of a precursor metal carbonyl, and they appear to be the best-defined supported bimetallic clusters. The material was found to be an active catalyst for ethylene hydrogenation and n-butane hydrogenolysis under conditions mild enough to prevent substantial cluster disruption.

  1. Rhenium Complexes and Clusters Supported on c-Al2O3: Effects of Rhenium Oxidation State and Rhenium Cluster Size on Catalytic Activity for n-butane Hydrogenolysis

    SciTech Connect

    Lobo Lapidus, R.; Gates, B

    2009-01-01

    Supported metals prepared from H{sub 3}Re{sub 3}(CO){sub 12} on {gamma}-Al{sub 2}O{sub 3} were treated under conditions that led to various rhenium structures on the support and were tested as catalysts for n-butane conversion in the presence of H{sub 2} in a flow reactor at 533 K and 1 atm. After use, two samples were characterized by X-ray absorption edge positions of approximately 5.6 eV (relative to rhenium metal), indicating that the rhenium was cationic and essentially in the same average oxidation state in each. But the Re-Re coordination numbers found by extended X-ray absorption fine structure spectroscopy (2.2 and 5.1) show that the clusters in the two samples were significantly different in average nuclearity despite their indistinguishable rhenium oxidation states. Spectra of a third sample after catalysis indicate approximately Re{sub 3} clusters, on average, and an edge position of 4.5 eV. Thus, two samples contained clusters approximated as Re{sub 3} (on the basis of the Re-Re coordination number), on average, with different average rhenium oxidation states. The data allow resolution of the effects of rhenium oxidation state and cluster size, both of which affect the catalytic activity; larger clusters and a greater degree of reduction lead to increased activity.

  2. MAN or FA from n-butane

    SciTech Connect

    Di Cio, A.; Verde, L.

    1985-08-01

    Unsaturated polyester resins were first produced mostly from fumaric acid (FA) rather than from maleic anhydride (MAN). This is perfectly understandable if we consider that, using fumaric acid as raw material, polycondensates with a more homogeneous (less branched) structure are obtained, thus producing resins characterized by a more uniform and reproducible chemical and mechanical properties. Presently, for economical reasons, fumaric acid is used marginally as a MAN substitute in the production of polyester resins. These resins account for a major share (50%) of the overall MAN consumption in the U.S. and in Western Europe.

  3. (2R)-4-Oxo-4[3-(Trifluoromethyl)-5,6-diihydro:1,2,4}triazolo[4,3-a}pyrazin-7(8H)-y1]-1-(2,4,5-trifluorophenyl)butan-2-amine: A Potent, Orally Active Dipeptidyl Peptidase IV Inhibitor for the Treatment of Type 2 Diabetes

    SciTech Connect

    Kim, D.; Wang, L.; Beconi, M.; Eiermann, G.; Fisher, M.; He, H.; Hickey, G.; Kowalchick, Jennifer; Leiting, Barbara; Lyons, K.; Marsilio, F.; McCann, F.; Patel, R.; Petrov, A.; Scapin, G.; Patel, S.; Roy, R.; Wu, J.; Wyvratt, M.; Zhang, B.; Zhu, L.; Thornberry, N.; Weber, A.

    2010-11-10

    A novel series of {beta}-amino amides incorporating fused heterocycles, i.e., triazolopiperazines, were synthesized and evaluated as inhibitors of dipeptidyl peptidase IV (DPP-IV) for the treatment of type 2 diabetes. (2R)-4-Oxo-4-[3-(trifluoromethyl)-5,6-dihydro[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl]-1-(2,4,5-trifluorophenyl)butan-2-amine (1) is a potent, orally active DPP-IV inhibitor (IC{sub 50} = 18 nM) with excellent selectivity over other proline-selective peptidases, oral bioavailability in preclinical species, and in vivo efficacy in animal models. MK-0431, the phosphate salt of compound 1, was selected for development as a potential new treatment for type 2 diabetes.

  4. Microsoft Word - eGallon methodology update Jan 2016.docx

    Energy.gov [DOE] (indexed site)

    News Media Contact: FOR IMMEDIATE RELEASE Allen Benson, (702) 794-1322 Feb. 11, 2008 U.S. Department of Energy Announces Plans to Compete the Management and Operating Contract for the Yucca Mountain Project Las Vegas, NV - The U.S. Department of Energy (DOE) today announced plans to recompete the management and operating (M&O) contract supporting the Office of Civilian Radioactive Waste Management's (OCRWM) Yucca Mountain Project. The competition reflects DOE's commitment to compete its

  5. Microsoft Word - eGallon methodology update Jan 2016.docx

    Energy.gov [DOE] (indexed site)

    It is calculated by multiplying the average U.S. residential electricity price (EP) by the average comparable passenger car adjusted combined fuel economy (FE) by the average fuel ...

  6. Waste streams that preferentially corrode 55-gallon steel storage drums

    SciTech Connect

    Zirker, L.R.; Beitel, G.A.; Reece, C.M.

    1995-06-01

    When 55-gal steel drum waste containers fail in service, i.e., leak, corrode or breach, the standard fix has been to overpack the drum. When a drum fails and is overpacked into an 83-gal overpack drum, there are several negative consequences. Identifying waste streams that preferentially corrode steel drums is essential to the pollution prevention philosophy that ``an ounce of prevention is worth a pound of cure.`` It is essential that facilities perform pollution prevention measures at the front end of processes to reduce pollution on the back end. If these waste streams can be identified before they are packaged, the initial drum packaging system could be fortified or increased to eliminate future drum failures, breaches, clean-ups, and the plethora of other consequences. Therefore, a survey was conducted throughout the US Department of Energy complex for information concerning waste streams that have demonstrated preferential corrosion of 55-gal steel drums. From 21 site contacts, 21 waste streams were so identified. The major components of these waste streams include acids, salts, and solvent liquids, sludges, and still bottoms. The solvent-based waste streams typically had the shortest time to failure, 0.5 to 2 years. This report provides the results of this survey and research.

  7. New Cooling Method for Supercomputers to Save Millions of Gallons...

    Energy.gov [DOE] (indexed site)

    ... This results in a more efficient and economical way to circulate air in a data center." Big jobs that don't have to be completed immediately can be scheduled at night when ...

  8. Blending of Radioactive Salt Solutions in Million Gallon Tanks - 13002

    SciTech Connect

    Leishear, Robert A.; Lee, Si Y.; Fowley, Mark D.; Poirier, Michael R.

    2013-07-01

    Research was completed at Savannah River National Laboratory (SRNL) to investigate processes related to the blending of radioactive, liquid waste, salt solutions in 4920 cubic meter, 25.9 meter diameter storage tanks. One process was the blending of large salt solution batches (up to 1135 - 3028 cubic meters), using submerged centrifugal pumps. A second process was the disturbance of a settled layer of solids, or sludge, on the tank bottom. And a third investigated process was the settling rate of sludge solids if suspended into slurries by the blending pump. To investigate these processes, experiments, CFD models (computational fluid dynamics), and theory were applied. Experiments were performed using simulated, non-radioactive, salt solutions referred to as supernates, and a layer of settled solids referred to as sludge. Blending experiments were performed in a 2.44 meter diameter pilot scale tank, and flow rate measurements and settling tests were performed at both pilot scale and full scale. A summary of the research is presented here to demonstrate the adage that, 'One good experiment fixes a lot of good theory'. Experimental testing was required to benchmark CFD models, or the models would have been incorrectly used. In fact, CFD safety factors were established by this research to predict full-scale blending performance. CFD models were used to determine pump design requirements, predict blending times, and cut costs several million dollars by reducing the number of required blending pumps. This research contributed to DOE missions to permanently close the remaining 47 of 51 SRS waste storage tanks. (authors)

  9. Blending Of Radioactive Salt Solutions In Million Gallon Tanks

    SciTech Connect

    Leishear, Robert A.; Lee, Si Y.; Fowley, Mark D.; Poirier, Michael R.

    2012-12-10

    Research was completed at Savannah River National Laboratory (SRNL) to investigate processes related to the blending of radioactive, liquid waste, salt solutions in 4920 cubic meter, 25.9 meter diameter storage tanks. One process was the blending of large salt solution batches (up to 1135 ? 3028 cubic meters), using submerged centrifugal pumps. A second process was the disturbance of a settled layer of solids, or sludge, on the tank bottom. And a third investigated process was the settling rate of sludge solids if suspended into slurries by the blending pump. To investigate these processes, experiments, CFD models (computational fluid dynamics), and theory were applied. Experiments were performed using simulated, non-radioactive, salt solutions referred to as supernates, and a layer of settled solids referred to as sludge. Blending experiments were performed in a 2.44 meter diameter pilot scale tank, and flow rate measurements and settling tests were performed at both pilot scale and full scale. A summary of the research is presented here to demonstrate the adage that, ?One good experiment fixes a lot of good theory?. Experimental testing was required to benchmark CFD models, or the models would have been incorrectly used. In fact, CFD safety factors were established by this research to predict full-scale blending performance. CFD models were used to determine pump design requirements, predict blending times, and cut costs several million dollars by reducing the number of required blending pumps. This research contributed to DOE missions to permanently close the remaining 47 of 51 SRS waste storage tanks.

  10. EERE Success Story-Aviation Biofuel Milestone Reached: 5 Gallons...

    Energy.gov [DOE] (indexed site)

    The companys innovative technology converts municipal solid waste (household trash) into low-cost, sustainable aviation biofuel. This investment adds to their agreement to ...

  11. DOE Moab Site Cost-Effectively Eliminates 200 Million Gallons...

    Energy Saver

    Donald Metzler, donald.metzler@gjem.doe.gov (970) 257-2115 Wendee Ryan, wryan@gjemtac.doe.gov (970) 257-2145 Grand Junction, CO - The Department of Energy (DOE) announced today ...

  12. Fueling Requirements for Steady State high butane current fraction discharges

    SciTech Connect

    R.Raman

    2003-10-08

    The CT injector originally used for injecting CTs into 1T toroidal field discharges in the TdeV tokamak was shipped PPPL from the Affiliated Customs Brokers storage facility in Montreal during November 2002. All components were transported safely, without damage, and are currently in storage at PPPL, waiting for further funding in order to begin advanced fueling experiments on NSTX. The components are currently insured through the University of Washington. Several technical presentations were made to investigate the feasibility of the CT injector installation on NSTX. These technical presentations, attached to this document, were: (1) Motivation for Compact Toroida Injection in NSTX; (2) Assessment of the Engineering Feasibility of Installing CTF-II on NSTX; (3) Assessment of the Cost for CT Installation on NSTX--A Peer Review; and (4) CT Fueling for NSTX FY 04-08 steady-state operation needs.

  13. LIQUID BUTANE FILLED LOAD FOR A LINER DRIVEN PEGASUS EXPERIMENT

    SciTech Connect

    M.A. SALAZAR; W. ANDERSON; ET AL

    2001-06-01

    A hydrogen rich, low density liquid, contained within the internal volume of a cylindrical liner, was requested of the Polymers and Coatings Group (MST-7) of the Los Alamos Materials Science Division for one of the last liner driven experiments conducted on the Los Alamos Pegasus facility. The experiment was a continuation of the Raleigh-Taylor hydrodynamics series of experiments and associated liners that have been described previously [1,2].

  14. Liquid butane filled load for a liner driven Pegasus experiment.

    SciTech Connect

    Salazar, M. A.; Armijo, E. V.; Anderson, W. E.; Atchison, W. L.; Bartos, J. J.; Garcia, F.; Randolph, B.; Sheppard, M. G.; Stokes, J. L.

    2001-01-01

    A hydrogen rich, low density liquid, contained within the internal volume of a cylindrical liner, was requested of the Polymers and Coatings Group (MST-7) of the Los Alamos Materials Science Division for one of the last liner driven experiments conducted on the Los Alamos Pegasus facility. The experiment (Fig.1) was a continuation of the Raleigh-Taylor hydrodynamics series of experiments and associated liners that have been described previously.

  15. How Much Energy Does It Take to Make a Gallon of Soydiesel

    Alternative Fuels and Advanced Vehicles Data Center

  16. Clean Cities Program saves 375 million gallons of gas in 2006 - News

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    the fifth issue of the U.S. 1 w"" Department of Energy's (DOE) Clean Cities Drive. Each issue of the I I newsletter will bring you valuable information from the Clean Cities pro- I I gram to help you succeed in putting more alternative fuel vehicles (AFVs) I I onto our roads. If you have a story to 1 1 tell, a picture to share, or information of interest to Clean Cities participants, 1 1 please call the Clean Cities Hodine at 1 -800-CCITIES. 1 1 1 Technical and Training Centers

  17. Second test of base hydrolysate decomposition in a 0.04 gallon per minute scale reactor

    SciTech Connect

    Cena, R.J.; Thorsness, C.B.; Coburn, T.T.; Watkins, B.E.

    1994-10-11

    LLNL has built and operated a pilot plant for processing oil shale using recirculating hot solids. This pilot plant, was adapted in 1993 to demonstrate the feasibility of decomposing base hydrolysate, a mixture of sodium nitrite, sodium formate and other constituents. This material is the waste stream from the base hydrolysis process for destruction of energetic materials. In the Livermore process, the waste feed is thermally treated in a moving packed bed of ceramic spheres, where constituents in the waste decompose, in the presence of carbon dioxide, to form solid sodium carbonate and a suite of gases including: methane, carbon monoxide, oxygen, nitrogen oxides, ammonia and possibly molecular nitrogen. The ceramic spheres are circulated and heated, providing the energy required for thermal decomposition. The spheres provide a large surface area for evaporation and decomposition to occur, avoiding sticking and agglomeration of the waste. We performed a 2.5 hour test of the solids recirculation system, with continuous injection of approximately 0.04 gal/min of waste. Gasses from the packed bed reactor were directed through the lift pipe and water was not condensed. Potassium carbonate (0.356 M) was added to the hydrolysate prior to its introduction to the retort. Continuous on-line gas analysis was invaluable in tracking the progress of the experiment and quantifying the decomposition products. Analyses showed the primary solid product, collected in the lift exit cyclone, was indeed sodium carbonate, as expected. For the reactor condition studied in this test, N{sub 2}O was found to be the primary nitrogen bearing gas species. In the test, approximately equal quantities of ammonia and nitrogen bearing oxide gases were produced. Under proper conditions, this ammonia and NO{sub x} can be recombined downstream to form N{sub 2} and O{sub 2} as the primary effluent gases.

  18. Light-duty vehicle MPG (miles per gallon) and market shares report, Model year 1989

    SciTech Connect

    Williams, L.S. ); Hu, P.S. )

    1990-04-01

    This issue of Light-Duty Vehicle MPG and Market Shares Report: Model Year 1989 reports the estimated sales-weighted fuel economies, sales, market shares, and other vehicle characteristics of automobiles and light trucks. The estimates are made on a make and model basis (e.g., Chevrolet is a make and Corsica is a model), from model year 1976 to model year 1989. Vehicle sales data are used as weighting factors in the sales-weighted estimation procedure. Thus, the estimates represent averages of the overall new vehicle fleet, reflecting the composition of the fleet. Highlights are provided on the trends in the vehicle characteristics from one model year to the next. Analyses are also made on fuel economy changes to determine what caused the changes. Both new automobile and new light truck fleets experienced fuel economy losses of 0.5 mpg from the previous model year, dropping to 28.0 mpg for automobiles and 20.2 mpg for light trucks. This is the first observed decline in fuel economy of new automobiles since model year 1983 and the largest decline since model year 1976. The main reason for the fuel economy decline in automobiles was that every automobile size class showed either losses or no change in their fuel economies. The fuel economy decline in light trucks was primarily due to the fact that two popular size classes, large pickup and small utility vehicle, both experienced losses in their fuel economies. Overall, the sales-weighted fuel economy of the entire light-duty vehicle fleet (automobiles and light trucks) dropped to 25.0 mpg, a reduction of 0.5 mpg from model year 1988. 9 refs., 32 figs., 50 tabs.

  19. Processing results of 1,800 gallons of mercury and radioactively contaminated mixed waste rinse solution

    SciTech Connect

    Thiesen, B.P.

    1993-01-01

    The mercury-contaminated rinse solution (INEL waste ID{number_sign} 123; File 8 waste) was successfully treated at the Idaho National Engineering Laboratory (INEL). This waste was generated during the decontamination of the Heat Transfer Reactor Experiment 3 (HTRE-3) reactor shield tank. Approximately 1,800 gal of waste was generated and was placed into 33 drums. Each drum contained precipitated sludge material ranging from 1--10 in. in depth, with the average depth of about 2.5 in. The pH of each drum varied from 3--11. The bulk liquid waste had a mercury level of 7.0 mg/l, which exceeded the Resource Conservation and Recovery Act (RCRA) limit of 0.2 mg/l. The average liquid bulk radioactivity was about 2.1 pCi/ml, while the average sludge contamination was about 13,800 pci/g. Treatment of the waste required separation of the liquid from the sludge, filtration, pH adjustment, and ion exchange. Because of difficulties in processing, three trials were required to reduce the mercury levels to below the RCRA limit. In the first trial, insufficient filtration of the waste allowed solid particulate produced during pH adjustment to enter into the ion exchange columns and ultimately the waste storage tank. In the second trial, the waste was filtered down to 0.1 {mu} to remove all solid mercury compounds. However, before filtration could take place, a solid mercury complex dissolved and mercury levels exceeded the RCRA limit after filtration. In the third trial, the waste was filtered through 0.3-A filters and then passed through the S-920 resin to remove the dissolved mercury. The resulting solution had mercury levels at 0.0186 mg/l and radioactivity of 0.282 pCi/ml. This solution was disposed of at the TAN warm waste pond, TAN782, TSF-10.

  20. Resonance Raman Spectroscopy of 0-A12O3- Supported Vanadium Oxide Catalysts for Butane Dehydrogenation

    SciTech Connect

    Wu, Zili; Kim, Hack-Sung; Stair, Peter

    2008-01-01

    This chapter contains sections titled: Introduction; Structure of Al{sub 2}O{sub 3}-Supported Vanadia Catalysts; Quantification of Surface VOx Species on Supported Vanadia Catalysts; Conclusion; Acknowledgements; and References.

  1. Field pilot tests for tertiary recovery using butane and propane injection

    SciTech Connect

    Pacheco, E.F.; Garcia, A.I.

    1981-01-01

    This work describes a pilot project for tertiary recovery of liquid hydrocarbons through LPG injection in water-out sections of the Bolivar reservoir in La Pena Field, Santa Cruz, Boliva. The promising results obtained in the initial field miscibility tests, as well as the results from a mathematical model built to stimulate and evaluate the tertiary recovery project, directed subsequent work into a cyclic scheme for enhanced recovery. This scheme is explained and injection production data is presented. Field facilities built to handle both the injected LPG and the produced oil-LPG mixture are described. The oil/LPG ratio and the LPG recovered/injected fraction are the main factors measured in this to make further considerations for a full scale project.

  2. Structural Integrity Program for the 300,000-Gallon Radioactive Liquid Waste Storage Tanks at the Idaho Nuclear Technology and Engineering Center

    SciTech Connect

    Bryant, Jeffrey W.

    2010-08-12

    This report provides a record of the Structural Integrity Program for the 300,000-gal liquid waste storage tanks and associated equipment at the Idaho Nuclear Technology and Engineering Center, as required by U.S. Department of Energy M 435.1-1, “Radioactive Waste Management Manual.” This equipment is known collectively as the Tank Farm Facility. This report is an update, and replaces the previous report by the same title issued April 2003. The conclusion of this report is that the Tank Farm Facility tanks, vaults, and transfer systems that remain in service for storage are structurally adequate, and are expected to remain structurally adequate over the remainder of their planned service life through 2012. Recommendations are provided for continued monitoring of the Tank Farm Facility.

  3. c21.xls

    Energy Information Administration (EIA) (indexed site)

    per Building (gallons) per Square Foot (gallons) per Worker (gallons) per Building (thousand dollars) per Square Foot (dollars) per Gallon (dollars) All Buildings...

  4. Workbook Contents

    Energy Information Administration (EIA) (indexed site)

    Gallons)","Alaska Kerosene SalesDeliveries to Farm Consumers (Thousand Gallons)","Arizona Kerosene SalesDeliveries to Farm Consumers (Thousand Gallons)","California...

  5. An Algal Biofuels Consortium Algae R&D Activities Peer Review

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    ... 1annual gallon installed capacity (biodiesel) 2annual gallon installed capacity ... Sustainable Lipid Extraction Biodiesel FAMEs Hydrocarbon Fuels Animal Feed ...

  6. Alternative Fuels Data Center

    Alternative Fuels and Advanced Vehicles Data Center

    Liquefied Natural Gas (LNG) Measurement LNG is taxed based on the gasoline gallon equivalent, or 6.6 pounds of LNG for one gallon of motor fuel, unless a diesel gallon equivalent ...

  7. This Week In Petroleum Summary Printer-Friendly Version

    Gasoline and Diesel Fuel Update

    time. The average residential propane price increased by less than 1 cent per gallon to stay at 2.85 per gallon, which is 0.25 per gallon higher than last year. The wholesale...

  8. This Week In Petroleum Summary Printer-Friendly Version

    Gasoline and Diesel Fuel Update

    year. Wholesale heating oil prices decreased by nearly 12 cents per gallon last week to land at 3.11 per gallon, nine cents per gallon less than last year at this time. The...

  9. EGallon | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    How is eGallon Calculated? To learn how the eGallon is calculated visit eGallon methodology. References "How Much Cheaper Is It to Drive on Electricity?" Retrieved from...

  10. Slide 2

    Annual Energy Outlook

    ... Barrel of Oil Input CostGallon of Fuel @ 42 gallonsBarrel of Oil Crude Oil (DOE Target Price) 90.00 2.14 Biofuel Production Systems Lbs of Sugar for 1 Gallon Biofuel ...

  11. Characterization and permeation properties of ZSM-5 tubular membranes

    SciTech Connect

    Coronas, J.; Falconer, J.L.; Noble, R.D.

    1997-07-01

    ZSM-5 zeolite membranes with reproducible properties were prepared by in-situ synthesis on porous {alpha}- and {gamma}-alumina tubular supports and characterized by XRD, SEM and electron microprobe analysis. Single-gas permeances for H{sub 2}, CH{sub 4}, N{sub 2}, CO{sup 2}, n-butane, and i-butane increase over some temperature range, but some gases exhibit maxima or minima. The highest ideal selectivities at room temperature are 299 for N{sub 2}/SF{sub 6}, 392 for H{sup 2}/n-butane, and 2,820 for H{sub 2}/i-butane. These membranes can separate n-butane/i-butane, H{sub 2}/n-butane and H{sub 2}/i-butane mixtures. All n-butane/i-butane separation selectivities have maxima as a function of temperature and are higher than ideal selectivities because n-butane inhibits i-butane permeation. Thus, separation is not by size selectivity, but is due to pore blocking. Temperature dependencies of single-gas permeances and separation selectivities depend strongly on the location of zeolite crystals and the location is determined by preparation procedure. Ideal selectivities also depend strongly on the preparation procedure. When the zeolite forms a continuous layer on the inside surface of the support tubes, pure i-butane permeates faster than pure n-butane so that the single-gas permeances are not determined just by molecular size. The i-butane permeance also increases much more with temperature than the n-butane permeance. The permeation behavior may be the result of permeation through nonzeolitic pores in parallel with zeolite pores. When zeolite crystals are dispersed throughout the pores of {alpha}-alumina supports, permeances are lower and gas permeation and separation properties are quite different. Ideal selectivities are lower, pure n-butane permeates faster than i-butane, and the permeances increase much less with temperature. Separation selectivities are lower but can be maintained to higher temperatures.

  12. Workbook Contents

    Energy Information Administration (EIA) (indexed site)

    to Farm Consumers (Thousand Gallons)","U.S. Total Distillate SalesDeliveries to Electric Utility Consumers (Thousand Gallons)","U.S. Total Distillate SalesDeliveries to...

  13. Workbook Contents

    Energy Information Administration (EIA) (indexed site)

    Aviation Gasoline Retail Sales by Refiners (Dollars per Gallon)","New Mexico Aviation Gasoline Retail Sales by Refiners (Dollars per Gallon)","Texas Aviation...

  14. ,"Fuel Oil Consumption",,,"Fuel Oil Expenditures"

    Energy Information Administration (EIA) (indexed site)

    2. Fuel Oil Consumption and Expenditure Intensities, 1999" ,"Fuel Oil Consumption",,,"Fuel Oil Expenditures" ,"per Building (gallons)","per Square Foot (gallons)","per Worker...

  15. ,"Total Fuel Oil Consumption

    Energy Information Administration (EIA) (indexed site)

    0. Fuel Oil Consumption (gallons) and Energy Intensities by End Use for Non-Mall Buildings, 2003" ,"Total Fuel Oil Consumption (million gallons)",,,,,"Fuel Oil Energy Intensity...

  16. Alternative Fuels Data Center

    Alternative Fuels and Advanced Vehicles Data Center

    Natural Gas Measurement Compressed natural gas (CNG) and liquefied natural gas (LNG) used for transportation must be sold in gasoline gallon equivalents (GGE) or diesel gallon ...

  17. Alternative Fuels Data Center

    Alternative Fuels and Advanced Vehicles Data Center

    Natural Gas Tax Compressed natural gas (CNG) and liquefied natural gas (LNG) used as motor fuel must be sold in gasoline gallon equivalents (GGE) or diesel gallon equivalents ...

  18. Workbook Contents

    Energy Information Administration (EIA) (indexed site)

    Kerosene SalesDeliveries to Industrial Consumers (Thousand Gallons)","East Coast (PADD 1) Kerosene SalesDeliveries to Industrial Consumers (Thousand Gallons)","New...

  19. Workbook Contents

    Energy Information Administration (EIA) (indexed site)

    Kerosene SalesDeliveries to Residential Consumers (Thousand Gallons)","East Coast (PADD 1) Kerosene SalesDeliveries to Residential Consumers (Thousand Gallons)","New...

  20. Workbook Contents

    Energy Information Administration (EIA) (indexed site)

    "Date","U.S. Total Distillate Retail Deliveries (Thousand Gallons)","East Coast (PADD 1) Total Distillate Retail Deliveries (Thousand Gallons)","New England (PADD 1A)...

  1. Workbook Contents

    Energy Information Administration (EIA) (indexed site)

    Total Distillate SalesDeliveries to Farm Consumers (Thousand Gallons)","East Coast (PADD 1) Total Distillate SalesDeliveries to Farm Consumers (Thousand Gallons)","New...

  2. Workbook Contents

    Energy Information Administration (EIA) (indexed site)

    "Date","U.S. Residual Fuel Oil Retail Deliveries (Thousand Gallons)","East Coast (PADD 1) Residual Fuel Oil Retail Deliveries (Thousand Gallons)","New England (PADD...

  3. ,"Total Fuel Oil Consumption

    Energy Information Administration (EIA) (indexed site)

    A. Fuel Oil Consumption (gallons) and Energy Intensities by End Use for All Buildings, 2003" ,"Total Fuel Oil Consumption (million gallons)",,,,,"Fuel Oil Energy Intensity...

  4. Microsoft Word - Appendix G.doc

    Office of Legacy Management (LM)

    ... to be conducted using two 1000-gallon tanks operated in parallel so that the ... tank is envisioned. (Many different configurations of 10,000-gallon tanks are available. ...

  5. Energy Information Administration - Commercial Energy Consumption...

    Gasoline and Diesel Fuel Update

    4A. Fuel Oil Consumption and Expenditure Intensities for All Buildings, 2003 Fuel Oil Consumption Fuel Oil Expenditures per Building (gallons) per Square Foot (gallons) per...

  6. --No Title--

    Annual Energy Outlook

    A. Fuel Oil Consumption (gallons) and Energy Intensities by End Use for All Buildings, 2003 Total Fuel Oil Consumption (million gallons) Fuel Oil Energy Intensity (gallonssquare...

  7. --No Title--

    Gasoline and Diesel Fuel Update

    4. Fuel Oil Consumption and Expenditure Intensities for Non-Mall Buildings, 2003 Fuel Oil Consumption Fuel Oil Expenditures per Building (gallons) per Square Foot (gallons) per...

  8. Black Hills Power - Residential Customer Rebate Program | Department...

    Energy.gov [DOE] (indexed site)

    60 (once per 5 year period) Heat Pump Water Heater: 5 gallon Refrigerator: 40 Refrigerator Recycling: 30 Electric Storage Water Heater: 1.50 per gallon...

  9. Workbook Contents

    Energy Information Administration (EIA) (indexed site)

    Consumers (Thousand Gallons)","Mississippi Total Distillate SalesDeliveries to Military Consumers (Thousand Gallons)","Mississippi No 2 Diesel SalesDeliveries to ...

  10. Workbook Contents

    Energy Information Administration (EIA) (indexed site)

    Consumers (Thousand Gallons)","Alabama Total Distillate SalesDeliveries to Military Consumers (Thousand Gallons)","Alabama No 2 Diesel SalesDeliveries to Off-Highway ...

  11. Workbook Contents

    Energy Information Administration (EIA) (indexed site)

    Consumers (Thousand Gallons)","Louisiana Total Distillate SalesDeliveries to Military Consumers (Thousand Gallons)","Louisiana No 2 Diesel SalesDeliveries to Off-Highway ...

  12. Workbook Contents

    Energy Information Administration (EIA) (indexed site)

    Residual Fuel Oil SalesDeliveries to Military Consumers (Thousand Gallons)","New Mexico Residual Fuel Oil SalesDeliveries to Military Consumers (Thousand Gallons)","Texas...

  13. Microsoft Word - Highlights.docx

    Gasoline and Diesel Fuel Update

    per gallon in 2012. The forecast regular- grade motor gasoline retail price averages 3.81 per gallon ... The major sources of this consumption growth were distillate fuel ...

  14. Workbook Contents

    Energy Information Administration (EIA) (indexed site)

    Total Distillate SalesDeliveries to Military Consumers (Thousand Gallons)","New Mexico Total Distillate SalesDeliveries to Military Consumers (Thousand Gallons)","Texas...

  15. Environmental Regulatory Framework

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Environmental Regulations and Changes in Petroleum Refining Operations By Tancred C.M. Lidderdale Contents * Introduction * Motor Gasoline Summer Volatility (RVP) Regulations o Table 1. Summer Volatility Regulations for Motor Gasoline o Table 2. Refinery Inputs and Production of Normal Butane o Figure 1. Refinery Inputs and Production of Normal Butane o Table 3. Price Relationship Between Normal Butane and Motor Gasoline o Table 4. Market Price Premium for Low Vapor Pressure (RVP) Gasoline *

  16. Environmental Regulations and Changes in Petroleum Refining Operations

    Gasoline and Diesel Fuel Update

    Environmental Regulations and Changes in Petroleum Refining Operations By Tancred C.M. Lidderdale Contents * Introduction * Motor Gasoline Summer Volatility (RVP) Regulations o Table 1. Summer Volatility Regulations for Motor Gasoline o Table 2. Refinery Inputs and Production of Normal Butane o Figure 1. Refinery Inputs and Production of Normal Butane o Table 3. Price Relationship Between Normal Butane and Motor Gasoline o Table 4. Market Price Premium for Low Vapor Pressure (RVP) Gasoline *

  17. Fact #674: May 9, 2011 Petroleum Trade Balance | Department of...

    Energy.gov [DOE] (indexed site)

    Note: Trade balance exports minus imports. Includes crude oil, petroleum preparations, liquefied propane and butane, and other mineral fuels. Supporting Information Petroleum ...

  18. Tax Credits, Rebates & Savings | Department of Energy

    Energy.gov [DOE] (indexed site)

    natural gas or fuel oil to an alternate fuel or power source excluding propane, butane, napht... Eligibility: Commercial, Industrial Savings Category: Geothermal Electric,...

  19. TABLE56.CHP:Corel VENTURA

    Annual Energy Outlook

    ... 2,153 0 2,153 1,884 1,514 370 Normal ButaneButylene ... 0 0 0 527 415 112 IsobutaneIsobutylene...

  20. Table Definitions, Sources, and Explanatory Notes

    Gasoline and Diesel Fuel Update

    Key Terms Definition API Gravity An arbitrary scale expressing the gravity or density of ... propane, and butane; and many other products used for their energy or chemical content. ...

  1. --No Title--

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    of legacy Compressed Gas Cylinders that contain, but not limited to: acetylene, argon, boron trifluoride, butane, carbon dioxide, Freon, helium, hydrogen, krypton, liquid...

  2. Tax Credits, Rebates & Savings | Department of Energy

    Energy.gov [DOE] (indexed site)

    facilities are those that are used for the primary purpose of converting natural gas or fuel oil to an alternate fuel or power source excluding propane, butane, napht......

  3. Table Definitions, Sources, and Explanatory Notes

    Gasoline and Diesel Fuel Update

    Excludes oxygenates (alcohols, ethers), butane, and pentanes plus. Oxygenates are reported as other hydrocarbons, hydrogen, and oxygenates. Barrel A unit of volume equal to 42 U.S. ...

  4. Product Supplied for Total Crude Oil and Petroleum Products

    Gasoline and Diesel Fuel Update

    EthaneEthylene PropanePropylene Normal ButaneButylene IsobutaneIsobutylene Other Liquids HydrogenOxygenatesRenewablesOther Hydrocarbons Unfinished Oils Motor Gasoline Blend. ...

  5. Table Definitions, Sources, and Explanatory Notes

    Gasoline and Diesel Fuel Update

    including heating oils; gasoline, diesel and jet fuels; lubricants; asphalt; ethane, propane, and butane; and many other products used for their energy or chemical content. ...

  6. EIA-800

    Energy Information Administration (EIA) (indexed site)

    ... Residual Fuel Oil 511 Asphalt and Road Oil 931 * Includes propane, propylene, ethane, ethylene, normal butane, butylene, isobutane, isobutylene, and pentanes plus. Quantities ...

  7. EIA-800

    Energy Information Administration (EIA) (indexed site)

    Greater than 15 ppm to 500 ppm sulfur (incl.) 466 Greater than 500 ppm sulfur 467 Total 999 * Includes propane, propylene, ethane, ethylene, normal butane, butylene, isobutane, ...

  8. Version No.:2010.01 PART 2. SUBMISSION/RESUBMISSION INFORMATION

    Energy Information Administration (EIA) (indexed site)

    Residual Fuel Oil 511 Other Petroleum Products 666 *Includes propane, propylene, ethane, ethylene, normal butane, butylene, isobutane, and isobutylene, and pentanes plus Algeria ...

  9. EIA-801

    Energy Information Administration (EIA) (indexed site)

    ... Residual Fuel Oil 511 Asphalt and Road Oil 931 Product Code PADD 1 Item Description * Includes ethane, ethylene, propane, propylene, normal butane, butylene, isobutane, ...

  10. EIA-802

    Energy Information Administration (EIA) (indexed site)

    CODE 466 PADD 4 * Includes propane, propylene, ethane, ethylene, normal butane, butylene, isobutane, isobutylene, and pentanes plus. PADD 3 PADD 2 Item Description Product Code ...

  11. EIA-817

    Energy Information Administration (EIA) (indexed site)

    Fuel 205 Other Renewable Fuels 207 Liquefied Petroleum and Refinery Gases: EthaneEthylene 108 PropanePropylene 246 Normal ButaneButylene 244 IsobutaneIsobutylene 245 ...

  12. Tax Credits, Rebates & Savings | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    are those that are used for the primary purpose of converting natural gas or fuel oil to an alternate fuel or power source excluding propane, butane, napht... Eligibility:...

  13. Tax Credits, Rebates & Savings | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    conversion facilities are those that are used for the primary purpose of converting natural gas or fuel oil to an alternate fuel or power source excluding propane, butane,...

  14. Natural Gas Plant Stocks of Natural Gas Liquids

    Gasoline and Diesel Fuel Update

    Product: Natural Gas Liquids Pentanes Plus Liquefied Petroleum Gases Ethane Propane Normal Butane Isobutane Period: Monthly Annual Download Series History Download Series History ...

  15. ORGANIC SPECIES IN GEOTHERMAL WATERS IN LIGHT OF FLUID INCLUSION...

    OpenEI (Open Energy Information) [EERE & EIA]

    that indicate H2 concentrations > 0.001 mol % typically have ethane > ethylene, propane > propylene, and butane > butylene. There are three end member fluid compositions:...

  16. Fluid Inclusion Analysis At Coso Geothermal Area (2003) | Open...

    OpenEI (Open Energy Information) [EERE & EIA]

    that indicate H2 concentrations > 0.001 mol % typically have ethane > ethylene, propane > propylene, and butane > butylene. There are three end member fluid compositions...

  17. Tax Credits, Rebates & Savings | Department of Energy

    Energy.gov [DOE] (indexed site)

    those that are used for the primary purpose of converting natural gas or fuel oil to an alternate fuel or power source excluding propane, butane, napht... Eligibility:...

  18. This Week In Petroleum Summary Printer-Friendly Version

    Gasoline and Diesel Fuel Update

    bbld from 2013, and a new record high. Increased exports of motor gasoline and hydrocarbon gas liquids (HGL), including propane and butane, were the main contributors to the...

  19. Search for: All records | SciTech Connect

    Office of Scientific and Technical Information (OSTI)

    ... (1) butane (1) carbon (1) catalysis (homogeneous), catalysis (heterogeneous), energy storage (including batteries and capacitors), hydrogen and fuel cells, charge transport, ...

  20. Magnolia and KMLP Draft Environmental Impact Statement

    Energy Saver

    ... LNG storage tanks, liquefaction and refrigerant units, safety and control systems, and ... 4.12.5-9 n-Butane Release Scenario at Refrigerant Storage Area ......

  1. Total Blender Net Input of Petroleum Products

    Energy Information Administration (EIA) (indexed site)

    Normal Butane Isobutane Other Liquids OxygenatesRenewables Oxygenates (excl. Fuel Ethanol) Methyl Tertiary Butyl Ether (MTBE) All Other Oxygenates Renewable Fuels (incl. Fuel Ethanol...

  2. Crude Oil and Petroleum Products Total Stocks Stocks by Type

    Energy Information Administration (EIA) (indexed site)

    Product: Crude Oil and Petroleum Products Crude Oil All Oils (Excluding Crude Oil) Pentanes Plus Liquefied Petroleum Gases EthaneEthylene PropanePropylene Normal ButaneButylene ...

  3. Total

    Energy Information Administration (EIA) (indexed site)

    Product: Total Crude Oil Liquefied Petroleum Gases PropanePropylene Normal ButaneButylene Other Liquids Oxygenates Fuel Ethanol MTBE Other Oxygenates Biomass-based Diesel Fuel ...

  4. Natural gas treatment process using PTMSP membrane

    DOEpatents

    Toy, Lora G.; Pinnau, Ingo

    1996-01-01

    A process for separating C.sub.3 + hydrocarbons, particularly propane and butane, from natural gas. The process uses a poly(trimethylsilylpropyne) membrane.

  5. Slide 1

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Scenario A significant amount of natural gas extracted from Marcellus and Utica shale formations in the Appalachian Basin contains valuable liquids, such as propane, butane and ...

  6. Natural gas treatment process using PTMSP membrane

    DOEpatents

    Toy, L.G.; Pinnau, I.

    1996-03-26

    A process is described for separating C{sub 3}+ hydrocarbons, particularly propane and butane, from natural gas. The process uses a poly(trimethylsilylpropyne) membrane. 6 figs.

  7. Tax Credits, Rebates & Savings | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    of converting natural gas or fuel oil to an alternate fuel or power source excluding propane, butane, napht... Eligibility: Commercial, Industrial Savings Category: Geothermal...

  8. untitled

    Annual Energy Outlook

    The principal constituents are methane, ethane, ethylene, normal butane, butylene, propane, propylene, etc. Still gas is used as a refinery fuel and a petrochemical...

  9. Environment/Health/Safety (EHS)

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    ethyl ketone, lacquer thinner. Ignitable compressed gases: hydrogen, methane, acetylene, propane, butane, spray-paint cans. Oxidizers: ammonium persulfate, sodium nitrate,...

  10. Table Definitions, Sources, and Explanatory Notes

    Gasoline and Diesel Fuel Update

    ... propane, and butane; and many other products used for their energy or chemical content. ... as base gasolines for other oxygenated blends (commonly referred to as the "Sun" waiver). ...

  11. Table Definitions, Sources, and Explanatory Notes

    Annual Energy Outlook

    propane, and butane; and many other products used for their energy or chemical content. ... as base gasolines for other oxygenated blends (commonly referred to as the "Sun" waiver). ...

  12. Tax Credits, Rebates & Savings | Department of Energy

    Energy.gov [DOE] (indexed site)

    fuel or power source excluding propane, butane, napht... Eligibility: Commercial, Industrial Savings Category: Geothermal Electric, Solar Thermal Process Heat, Wind (All),...

  13. Clean Cities Alternative Fuel Price Report - July 2015

    Alternative Fuels and Advanced Vehicles Data Center

    ... Ethanol (E85) 2.13 2.36 0.23 per gallon Propane** 2.93 2.90 -0.03 per gallon Biodiesel (B20) 2.92 2.93 0.01 per gallon Biodiesel (B99 B100) 3.77 3.55 -0.22 per gallon ...

  14. --No Title--

    Energy Information Administration (EIA) (indexed site)

    6-Present (Cents per Gallon Excluding Taxes) | | | Aviation Gasoline | Kerosene-Type Jet Fuel | |...

  15. --No Title--

    Energy Information Administration (EIA) (indexed site)

    4-Present (Cents per Gallon Excluding Taxes) | | | Aviation Gasoline | Kerosene-Type Jet Fuel | |...

  16. --No Title--

    Energy Information Administration (EIA) (indexed site)

    5-Present (Cents per Gallon Excluding Taxes) | | | Aviation Gasoline | Kerosene-Type Jet Fuel | |...

  17. --No Title--

    Energy Information Administration (EIA) (indexed site)

    Prices by Grade, Sales Type, PAD District, and State (Cents per Gallon Excluding Taxes) - Continued ...

  18. --No Title--

    Energy Information Administration (EIA) (indexed site)

    Fuels, Propane, and Kerosene, by PAD District, 1983-Present (Cents per Gallon Excluding Taxes) - Continued ...

  19. --No Title--

    Energy Information Administration (EIA) (indexed site)

    and Residual Fuel Oils, by PAD District, 1983-Present (Cents per Gallon Excluding Taxes) - Continued ...

  20. --No Title--

    Energy Information Administration (EIA) (indexed site)

    (million square | Fuel Oil Energy Intensity | | | (million gallons) | feet) | (gallonssquare foot) | | |---+---+---...

  1. Alternative Fuels Data Center: Pennsylvania's Ethanol Corridor Project

    Alternative Fuels and Advanced Vehicles Data Center

    Surpasses 1 Million Gallons Pennsylvania's Ethanol Corridor Project Surpasses 1 Million Gallons to someone by E-mail Share Alternative Fuels Data Center: Pennsylvania's Ethanol Corridor Project Surpasses 1 Million Gallons on Facebook Tweet about Alternative Fuels Data Center: Pennsylvania's Ethanol Corridor Project Surpasses 1 Million Gallons on Twitter Bookmark Alternative Fuels Data Center: Pennsylvania's Ethanol Corridor Project Surpasses 1 Million Gallons on Google Bookmark Alternative

  2. Search for: All records | SciTech Connect

    Office of Scientific and Technical Information (OSTI)

    ... Similarly, di-n-propyl- or di-n-butylether gives Cp'2Ce(O-n-Pr) and propane or Cp'2Ce(O-n-Bu) and butane, respectively. Using Cp'2CeD, the propane and butane contain deuterium ...

  3. Microsoft Word - lblsubethers.doc

    Office of Scientific and Technical Information (OSTI)

    Similarly, di-n-propyl- or di-n-butylether gives Cp' 2 Ce(O-n- Pr) and propane or Cp' 2 Ce(O-n-Bu) and butane, respectively. Using Cp' 2 CeD, the propane and butane contain ...

  4. Splitting a C-O bond in dialkylethers withbis(1,2,4-tri-t-butylcyclop...

    Office of Scientific and Technical Information (OSTI)

    Similarly, di-n-propyl- or di-n-butylether gives Cp'2Ce(O-n-Pr) and propane or Cp'2Ce(O-n-Bu) and butane, respectively. Using Cp'2CeD, the propane and butane contain deuterium ...

  5. NGL Overview

    Gasoline and Diesel Fuel Update

    Stakeholder Review June 14, 2013 EIA's Proposed NGL Realignment: Overview of Proposed Changes EIA's proposed approach to NGL accounting 2 EIA's Proposed NGL Realignment: Overview June 4, 2013 Butanes include normal butane and isobutane. 3 Changes proposed by EIA to realign NGL data and related terminology EIA's Proposed NGL Realignment: Overview June 4, 2013

  6. Interaction of alkanes with an amorphous methanol film at 15-180 K

    SciTech Connect

    Souda, Ryutaro

    2005-09-15

    The hydrogen-bond imperfections and glass-liquid transition of the amorphous methanol film have been investigated on the basis of the film dewetting and the incorporation/desorption of alkane molecules adsorbed on the surface. The butane is incorporated completely in the bulk of the porous methanol film up to 70 K. At least two distinct states exist for the incorporated butane; one is assignable to solvated molecules in the bulk and the other is weakly bound species at the surface or in the subsurface site. For the nonporous methanol film, the uptake of butane in the bulk is quenched but butane forms a surface complex with methanol above 80 K. The butane incorporated in the bulk of the glassy methanol film is released at 120 K, where dewetting of the methanol film occurs simultaneously due to evolution of the supercooled liquid phase.

  7. Superacid catalysis of light hydrocarbon conversion. Final report, August 26, 1993--August 26, 1996

    SciTech Connect

    Gates, B.C.

    1996-12-31

    Motivated by the goal of finding improved catalysts for low- temperature conversion of light alkanes into fuel components or precursors of fuel components, the researchers have investigated sulfated zirconia and promoted sulfated zirconia for conversion of butane, propane, and ethane. Catalyst performance data for sulfated zirconia promoted with iron and manganese show that it is the most active noncorrosive, nonhalide catalyst known for n-butane isomerization, and it is an excellent candidate catalyst for new low- temperature n-butane isomerization processes to make isobutane, which can be converted by established technology into methyl t-butyl ether (MTBE). Various transition metals have been found to work as promoters of sulfated zirconia for n-butane isomerization. The combination of iron and manganese is the best known combination of promoters yet discovered. The iron- and manganese-promoted sulfated zirconia is also a catalyst for conversion of propane and of ethane. Ethane is converted into ethylene and butanes in the presence of the iron- and manganese-promoted sulfated zirconia; propane is also converted into butane, among other products. However, the activities of the catalyst for these reactions are orders of magnitude less than the activity for n-butane conversion, and there is no evidence that the catalyst would be of practical value for conversion of alkanes lighter than butane. The product distribution data for ethane and propane conversion provide new insights into the nature of the catalyst and its acidity. These data suggest the involvement of Olah superacid chemistry, whereby the catalyst protonates the alkane itself, giving carbonium ions (as transition states). The mechanism of protonation of the alkane may also pertain to the conversion of butane, but there is good evidence that the butane conversion also proceeds via alkene intermediates by conventional mechanisms of carbenium ion formation and rearrangement.

  8. Microsoft Word - Honeywell_Metropolis Final EA 9-1-10

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    (STEO) Highlights  Falling crude oil prices contributed to a decline in the U.S. regular gasoline retail price from a year-to-date high of $3.78 per gallon on February 25 to $3.52 per gallon on April 29. EIA expects the regular gasoline price will average $3.53 per gallon over the summer (April through September), down $0.10 per gallon from last month's STEO. The annual average regular gasoline retail price is projected to decline from $3.63 per gallon in 2012 to $3.50 per gallon in 2013 and

  9. April 2014

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    and Summer Fuels Outlook (STEO) Highlights  During the April-through-September summer driving season this year, regular gasoline retail prices are forecast to average $3.63 per gallon. The projected monthly average regular retail gasoline price falls from $3.69 per gallon in May to $3.57 per gallon in September. EIA expects regular gasoline retail prices to average $3.56 per gallon in 2013 and $3.39 per gallon in 2014, compared with $3.63 per gallon in 2012. The July 2013 New York harbor

  10. April 2013 Short-Term Energy and Summer Fuels Outlook

    Gasoline and Diesel Fuel Update

    and Summer Fuels Outlook (STEO) Highlights  During the April-through-September summer driving season this year, regular gasoline retail prices are forecast to average $3.63 per gallon. The projected monthly average regular retail gasoline price falls from $3.69 per gallon in May to $3.57 per gallon in September. EIA expects regular gasoline retail prices to average $3.56 per gallon in 2013 and $3.39 per gallon in 2014, compared with $3.63 per gallon in 2012. The July 2013 New York harbor

  11. ,"U.S. Total Sales of Residual Fuel Oil by End Use"

    Energy Information Administration (EIA) (indexed site)

    to Oil Company Consumers (Thousand Gallons)","U.S. Residual Fuel Oil SalesDeliveries to Electric Utility Consumers (Thousand Gallons)","U.S. Residual Fuel Oil SalesDeliveries to...

  12. This Week In Petroleum Printer-Friendly Version

    Gasoline and Diesel Fuel Update

    21 weeks up to May 24, 2004, totaling a net increase of 58.6 cents per gallon, before dropping by 1.3 cents per gallon on May 31, 2004. Was last weeks drop just an aberration or...

  13. This Week In Petroleum Printer-Friendly Version

    Annual Energy Outlook

    per gallon. Prices on the West Coast remained the highest in the nation, despite dropping 1.9 cents to end at 202.7 cents per gallon, and California prices averaged 208.5...

  14. L.T. Blackford

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    942k gallons (CY 14M) Received Environmental Restoration Disposal Facility (ERDF) leachate (119k gallons) at Liquid Effluent Retention Facility (LERF) Basin 44 (CY 1.8M)...

  15. Oak Ridge Removes Laboratory's Greatest Source of Groundwater...

    Energy.gov [DOE] (indexed site)

    the 4,000-gallon Tank W-1A, which was ORNLs greatest source of groundwater contamination. Workers remove the 4,000-gallon Tank W-1A, which was ORNL's greatest source of ...

  16. Clean Cities Alternative Fuel Price Report, October, 2015

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    ... use, i.e. natural gas, propane, biodiesel, and ethanol. * Prices were submitted ... Propane** 2.90 2.90 0.00 per gallon Biodiesel (B20) 2.93 2.66 -0.27 per gallon ...

  17. Clean Cities Alternative Fuel Price Report, July, 2016

    Alternative Fuels and Advanced Vehicles Data Center

    ... use, i.e. natural gas, propane, biodiesel, and ethanol. * Prices were submitted ... Propane** 2.77 2.76 -0.01 per gallon Biodiesel (B20) 2.23 2.54 0.31 per gallon ...

  18. Refundable Clean Heating Fuel Tax Credit (Personal)

    Office of Energy Efficiency and Renewable Energy (EERE)

    The value of the tax credit is $0.01/gallon for each percent of biodiesel blended with conventional home heating oil, up to a maximum of $0.20/ gallon. In other words, the purchaser of a mixture ...

  19. Alternative Fuels Data Center

    Alternative Fuels and Advanced Vehicles Data Center

    including biodiesel. A qualified motor fuel dealer is eligible for up to 0.065 for every gallon of renewable fuel sold and up to 0.03 for every gallon of biodiesel sold, if the ...

  20. Clean Cities Alternative Fuel Price Report … January 2016

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    ... use, i.e. natural gas, propane, biodiesel, and ethanol. * Prices were submitted ... Propane** 2.90 2.85 -0.05 per gallon Biodiesel (B20) 2.66 2.41 -0.25 per gallon ...

  1. Residual Fuel Oil Sales to End Users Refiner Sales Volumes

    Gasoline and Diesel Fuel Update

    Product: Residual Fuel Oil Residual F.O., Sulfur < 1% Residual F.O., Sulfur > 1% No. 4 Fuel Oil Period-Unit: Monthly - Thousand Gallons per Day Annual - Thousand Gallons per Day ...

  2. Alternative Fuels Data Center

    Alternative Fuels and Advanced Vehicles Data Center

    Liquefied Natural Gas (LNG) Tax LNG is taxed at a rate of 0.14 per gallon when used as a motor fuel. For taxation purposes, LNG is converted to its gasoline gallon equivalent ...

  3. Petroleum Marketing Annual 2009

    Energy Information Administration (EIA) (indexed site)

    cents per gallon to dollars per gallon later this year for the 2010 data. Petroleum Marketing Annual --- Full report in PDF (1.2 MB) Summary Statistics Summary Statistics Tables...

  4. --No Title--

    Annual Energy Outlook

    The 1.01gallon (nominal) subsidy for cellulosic ethanol and 1.00gallon (nominal) biodiesel subsidy are assumed to be extended at those levels from their recent expiration at...

  5. This Week In Petroleum Summary Printer-Friendly Version

    Annual Energy Outlook

    cent The U.S. average retail price of regular gasoline decreased 0.2 cent this week to stay at 3.94 per gallon, 15 cents per gallon higher than last year at this time. The West...

  6. This Week In Petroleum Printer-Friendly Version

    Gasoline and Diesel Fuel Update

    and a half to 3.04 per gallon. The average in California slipped less than a cent to stay at 3.12 per gallon. Propane Stocks Grow Slightly U.S. inventories of propane grew last...

  7. This Week In Petroleum Printer-Friendly Version

    Annual Energy Outlook

    cents to 2.67 per gallon, while the Rocky Mountain price grew a fraction of a cent to stay at 2.82 per gallon. Although the West Coast average continued to be the highest in the...

  8. Workbook Contents

    Energy Information Administration (EIA) (indexed site)

    "Date","U.S. Kerosene SalesDeliveries to Other End Users (Thousand Gallons)","East Coast (PADD 1) Kerosene SalesDeliveries to Other End Users (Thousand Gallons)","New England...

  9. Workbook Contents

    Energy Information Administration (EIA) (indexed site)

    VTESOR1","KDRVTESWA1" "Date","U.S. Kerosene Retail Deliveries (Thousand Gallons)","East Coast (PADD 1) Kerosene Retail Deliveries (Thousand Gallons)","New England (PADD 1A)...

  10. Workbook Contents

    Energy Information Administration (EIA) (indexed site)

    "Date","U.S. Kerosene Adj SalesDeliveries Total to End Users (Thousand Gallons)","East Coast (PADD 1) Kerosene Adj SalesDeliveries Total to End Users (Thousand Gallons)","New...

  11. Workbook Contents

    Energy Information Administration (EIA) (indexed site)

    "Date","U.S. Kerosene SalesDeliveries to Farm Consumers (Thousand Gallons)","East Coast (PADD 1) Kerosene SalesDeliveries to Farm Consumers (Thousand Gallons)","New England...

  12. Workbook Contents

    Energy Information Administration (EIA) (indexed site)

    Total Distillate SalesDeliveries to Other End Users (Thousand Gallons)","East Coast (PADD 1) Total Distillate SalesDeliveries to Other End Users (Thousand Gallons)","New...

  13. Microsoft PowerPoint - SWPA Transformer Oil Spill Risk Final...

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    to the issue of secondary containment of oil for transformers in service at Corps ... Scope Scope 397,000 Gallons of Oil 397,000 Gallons of Oil 69 Transformers 69 Transformers ...

  14. This Week In Petroleum Printer-Friendly Version

    Gasoline and Diesel Fuel Update

    to 282.3 cents per gallon, with the average price in California dropping 6.6 cents to land at 286.2 cents per gallon. Continuing the fluctuating trend in recent weeks, retail...

  15. This Week In Petroleum Printer-Friendly Version

    Gasoline and Diesel Fuel Update

    the average U.S. retail price for regular gasoline has reached 3 per gallon at least once (besides the record set in 2005, it also reached 3 per gallon or higher during four...

  16. This Week In Petroleum Summary Printer-Friendly Version

    Annual Energy Outlook

    Coast price decreased 10 cents to 2.07 per gallon, while the East Coast price was down nine cents to 2.44 per gallon. The West Coast price decreased eight cents to 2.62 per...

  17. This Week In Petroleum Printer-Friendly Version

    Annual Energy Outlook

    gallon. The largest increase took place in the Midwest where the average soared almost nine cents to 2.79 per gallon. The price on the Gulf Coast climbed about eight cents,...

  18. CX-004823: Categorical Exclusion Determination | Department of...

    Office of Environmental Management (EM)

    The SRS heavy water is stored in 55 gallons drums, and is also contained in storage tanks ... There is approximately 59,000 gallons of heavy water in the K-Area storage tanks, 49,000 ...

  19. This Week In Petroleum Printer-Friendly Version

    Annual Energy Outlook

    fell by 0.1 cent per gallon to end at 152.6 cents per gallon. Retail Heating Oil and Propane Prices Increase Slightly Residential heating oil and propane prices showed slight...

  20. This Week In Petroleum Printer-Friendly Version

    Gasoline and Diesel Fuel Update

    to mid-March averaging 3.28 per gallon for heating oil and 2.46 per gallon for propane, and this weeks average heating oil price above 3.85, prices for the winter as a...

  1. This Week In Petroleum Printer-Friendly Version

    Gasoline and Diesel Fuel Update

    127.3 cents per gallon, down 0.2 cent per gallon from the previous week. Residential propane prices on the other hand continued to move slightly upward, increasing by 0.4 cent...

  2. This Week In Petroleum Printer-Friendly Version

    Gasoline and Diesel Fuel Update

    the Northeast by nearly 200, from 1,827 to 2,001. Over the same interval, the heating oil price projection has increased by about 39 cents per gallon, from 2.89 per gallon to...

  3. Gasoline and Diesel Fuel Update - Energy Information Administration

    Annual Energy Outlook

    U.S. On-Highway Diesel Fuel Prices* (dollars per gallon)full history Change from 032116 ... collected on a gallon of fuel that are paid to the federal, state, or local government. ...

  4. Workbook Contents

    Energy Information Administration (EIA) (indexed site)

    On-Highway Consumers (Thousand Gallons)","U.S. Total Distillate SalesDeliveries to Military Consumers (Thousand Gallons)","U.S. No 2 Diesel SalesDeliveries to Off-Highway ...

  5. Workbook Contents

    Energy Information Administration (EIA) (indexed site)

    On-Highway Consumers (Thousand Gallons)","Texas Total Distillate SalesDeliveries to Military Consumers (Thousand Gallons)","Texas No 2 Diesel SalesDeliveries to Off-Highway ...

  6. Workbook Contents

    Energy Information Administration (EIA) (indexed site)

    Bunkering Consumers (Thousand Gallons)","U.S. Residual Fuel Oil SalesDeliveries to Military Consumers (Thousand Gallons)","U.S. Residual Fuel Oil SalesDeliveries to Other End ...

  7. Deep Vadose Zone Field Activities

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    1,000 1,500 2,000 2,500 3,000 Cumulative Gallons Removed Weekly Gallons Removed Perched Water Removal Shut down to address increased contamination levels and replace submersible...

  8. This Week In Petroleum Summary Printer-Friendly Version

    Gasoline and Diesel Fuel Update

    price is nearly 0.21 per gallon higher than last year at this time. The Midwest region led the way, with the retail price climbing more than 8 cents per gallon compared with last...

  9. Workbook Contents

    Energy Information Administration (EIA) (indexed site)

    Residual Fuel Oil SalesDeliveries to Other End Users (Thousand Gallons)","New Mexico Residual Fuel Oil SalesDeliveries to Other End Users (Thousand Gallons)","Texas...

  10. Advocate newsletter - January 2016 revised.indd

    Office of Environmental Management (EM)

    ... DOE's preferred alternative is to build a water treatment plant at Outfall 200 with 3000 gallons per minute treatment capacity and 2 million gallons of stormwater storage to hold ...

  11. 2008 Federal Energy and Water Management Award Winners | Department...

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    ... procuring a contract to provide two ethanol (E85) service stations. Due to his efforts, KSC has increased its E85 volume from 144 gallons to an average of 15,000 gallons per month. ...

  12. Microsoft Word - Summary_MASTER.docx

    Office of Environmental Management (EM)

    ... Maximize use of alternative fuels (e.g., E85 and biodiesel). Ensure all new ... gasoline - 427,000 gallons EthanolE85 - 217,000 gallons 2 Diesel fuel - 65,000 ...

  13. Residential propane prices increase

    Annual Energy Outlook

    propane prices increase The average retail price for propane rose 5.5 cents per gallon from last week to 2.62 per gallon; up 37.4 cents from a year ago, based on the residential ...

  14. Residential propane prices increase

    Annual Energy Outlook

    propane prices increase The average retail price for propane rose 2.3 cents per gallon from last week to 2.57 per gallon; up 32.2 cents from a year ago, based on the residential ...

  15. Fact #793: August 19, 2013 Improvements in Fuel Economy for Low-MPG Vehicles Yield the Greatest Fuel Savings

    Energy.gov [DOE]

    The relationship between gallons used over a given distance and miles per gallon (mpg) is not linear. Thus, an increase in fuel economy by 5 mpg does not translate to a constant fuel savings amount...

  16. Promoting and Advancing the Development of Healthy, Durable,...

    Office of Environmental Management (EM)

    * 16,000 HDD * Electricity .60kWh * Heating Oil 8gallon * 1,400 gallons... Tight assembly must be ventilated Annual fuel usage very low www.cchrc.org CCHRC Cold ...

  17. Effect of operating conditions and membrane quality on the separation performance of composite silicalite-1 membranes

    SciTech Connect

    Graaf, J.M. van de; Bijl, E. van der; Stol, A.; Kapteijn, F.; Moulign, J.A.

    1998-10-01

    The separation capacity of silicalite-1 membranes for various hydrocarbon mixtures is determined as a function of membrane quality, operating conditions, and orientation of the composite membrane with respect to the feed side. The quality of the membranes is judged on the basis of the n-butane/i-butane permselectivity. Membranes with a different n-butane/i-butane permselectivity showed an identical separation capacity for ethane/methane mixtures, but the quality difference was affecting separation of hydrogen from the butane isomers. The selectivity of the membrane is significantly affected by the operating conditions, such as mixture composition, temperature, and absolute pressure. These effects are shown for ethane/methane, propene/ethene, and n-butane/i-butane mixtures. The selectivity for ethane in ethane/methane mixtures, found when the zeolite layer is facing the feed side, is completely lost when the orientation of the composite membrane is reversed, due to concentration polarization. Depending on the membrane orientation, the major resistance of the composite is in the support layer or in the zeolite layer.

  18. Separation of vapour and gas mixtures using a thin zeolite MFI membrane

    SciTech Connect

    Vroon, Z.A.E.P.; Gilde, M.J.; Kiezer, K.

    1994-12-31

    Zeolite MFI composite membranes were prepared by in situ crystallisation. A very thin (L < 5 {mu}m) polycrystalline MFI layer was grown on a flat {alpha}-Al{sub 2}O{sub 3} support (pore radii 80 nm). XRD and SEM showed that the layer was built of small MFI particles ({+-}200 nm). The single gas flux of methane, n-butane and iso-butane are respectively 9.7, 2.7 and 0.032 10{sup -3} mol.m{sup -2}.s{sup -1} at 25{degrees}C and 100 kPa. The separation of n-butane/methane is reversible. At 25{degrees}C it is possible to separate n-butane from methane. At 200{degrees}C it is possible to separate methane from n-butane. The separation factor for 50 n-butane/50 iso-butane is 26 at 50{degrees}C. Experiments with large molecules showed that the zeolite MFI membrane contains no pores larger than inherent to the zeolite.

  19. President’s Report

    Energy Information Administration (EIA) (indexed site)

    Today Today ' ' s U.S Ethanol s U.S Ethanol Industry Industry Bob Dinneen Bob Dinneen Renewable Fuels Association Renewable Fuels Association April 8, 2008 April 8, 2008 Today's Transportation Fuels Today Today ' ' s Transportation Fuels s Transportation Fuels } Gasoline - 140 billion gallons } Diesel - 45 billion gallons } E85 - 150 million gallons (2008 est.) } Ethanol as an additive (E-10) ~9 billion gallons in 2008 Extends Gasoline - blended in nearly 60% of gasoline Adds 510,000 barrels of

  20. Audit Report: IG-0565 | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    5 Audit Report: IG-0565 August 27, 2002 Salt Processing Project at the Savannah River Site As a result of Cold War weapons production, the Department of Energy accumulated millions of gallons of high-level waste that now require treatment and final disposal. At the Department's Savannah River Site, there are approximately 38 million gallons of high-level waste, including 35 million gallons of salt waste and 3 million gallons of sludge. To treat the salt waste, the Department originally planned

  1. DOE Offers Conditional Commitment for a $105 Million Loan Guarantee for First-of-its-Kind Cellulosic Bio-Refinery in Iowa

    Energy.gov [DOE]

    Project Will Create Over 200 Jobs and Displace an Estimated 13.5 Million Gallons of Gasoline Annually

  2. --No Title--

    Energy Information Administration (EIA) (indexed site)

    Prices by Sales Type, PAD District, and Selected States(2) (Cents per Gallon Excluding Taxes) - Continued | | | Sales to End...

  3. Secretary Chu Announces New Funding and Partnership with Google to Promote Electric Vehicles

    Energy.gov [DOE]

    Since its inception in 1993, DOE's Clean Cities program helped save nearly 3 billion gallons of gasoline

  4. Word Pro - Untitled1

    Gasoline and Diesel Fuel Update

    9 Table 2.8 Motor Vehicle Mileage, Fuel Consumption, and Fuel Economy, Selected Years, 1949-2010 Year Light-Duty Vehicles, Short Wheelbase 1 Light-Duty Vehicles, Long Wheelbase 2 Heavy-Duty Trucks 3 All Motor Vehicles 4 Mileage Fuel Consumption Fuel Economy Mileage Fuel Consumption Fuel Economy Mileage Fuel Consumption Fuel Economy Mileage Fuel Consumption Fuel Economy Miles per Vehicle Gallons per Vehicle Miles per Gallon Miles per Vehicle Gallons per Vehicle Miles per Gallon Miles per vehicle

  5. Web/Fact Sheet Version 3

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    gallons of liquids, sludges, and solids 90,000,000 CURRENT INVENTORY OF HIGH-LEVEL RADIOACTIVE WASTE:

  6. Make aromatics from LPG

    SciTech Connect

    Doolan, P.C. ); Pujado, P.R. )

    1989-09-01

    Liquefied petroleum gas (LPG) consists mainly of the propane and butane fraction recovered from gas fields, associated petroleum gas and refinery operations. Apart from its use in steam cracking and stream reforming, LPG has few petrochemical applications. The relative abundance of LPG and the strong demand for aromatics - benzene, toluene and xylenes (BTX) - make it economically attractive to produce aromatics via the aromatization of propane and butanes. This paper describes the Cyclar process, which is based on a catalyst formulation developed by BP and which uses UOP's CCR catalyst regeneration technology, converts propane, butanes or mixtures thereof to petrochemical-quality aromatics in a single step.

  7. Alternative Fuels Data Center

    Alternative Fuels and Advanced Vehicles Data Center

    Biofuel Volume Rebate Program - Propel Fuels Propel Fuels offers a rebate to qualified fleet customers for monthly purchases of more than 500 gallons of biodiesel blends and E85. Fleet customers must purchase the fuel directly from Propel public retail locations using the Propel CleanDrive Fleet Card. The program offers a rebate of $0.03 per gallon for purchases of less than 1,000 gallons of biofuel per month, and $0.05 per gallon for purchases of 1,000 gallons or more per month. The rebate is

  8. Energy Conversion and Thermal Efficiency Sales Tax Exemption

    Energy.gov [DOE]

    Qualifying energy conversion facilities are those that are used for the primary purpose of converting natural gas or fuel oil to an alternate fuel or power source excluding propane, butane, napht...

  9. Short-Term Energy Outlook Model Documentation: Hydrocarbon Gas Liquids Supply and Demand

    Reports and Publications

    2015-01-01

    The hydrocarbon gas liquids (ethane, propane, butanes, and natural gasoline) module of the Short-Term Energy Outlook (STEO) model is designed to provide forecasts of U.S. production, consumption, refinery inputs, net imports, and inventories.

  10. Word Pro - Untitled1

    Annual Energy Outlook

    Pentanes Plus 4 Total Ethane 2 Isobutane Normal Butane 3 Propane 2,3 Total 1949 53 8 11 61 ... 2 Reported production of ethane-propane mixtures has been allocated 70 percent ...

  11. Table 5.10 Natural Gas Plant Liquids Production, 1949-2011 (Thousand...

    Energy Information Administration (EIA) (indexed site)

    Total Ethane 2 Isobutane Normal Butane 3 Propane 2,3 Total 1949 19,210 3,056 4,182 22,283 ... NANot available. 2Reported production of ethane-propane mixtures has been allocated 70 ...

  12. U.S. Energy Information Administration (EIA)

    Annual Energy Outlook

    butane, and isobutane rose 2.2%, 3.0%, and 3.2%, respectively, while the prices of propane and ethane fell by 0.4% and 3.2%, respectively. more summary data PricesDemand...

  13. EIA-782C,

    Energy Information Administration (EIA) (indexed site)

    ... across State boundaries and local marketing areas, and sells the product to local ... not include the propane portion of any natural gas liquid mixes, e.g., butane-propane mix. ...

  14. Table Definitions, Sources, and Explanatory Notes

    Annual Energy Outlook

    propane, and butane; and many other products used for their energy or chemical content. ... This "green" coke may be sold as is or further purified by calcining. Natural Gas A ...

  15. U.S. Crude Oil Stocks by Type

    Energy Information Administration (EIA) (indexed site)

    Product: Crude Oil and Petroleum Products Crude Oil All Oils (Excluding Crude Oil) Pentanes Plus Liquefied Petroleum Gases Ethane/Ethylene Ethylene Propane/Propylene Propylene (Nonfuel Use) Normal Butane/Butylene Refinery Grade Butane Isobutane/Butylene Other Hydrocarbons Oxygenates (excluding Fuel Ethanol) MTBE Other Oxygenates Renewables (including Fuel Ethanol) Fuel Ethanol Renewable Diesel Fuel Other Renewable Fuels Unfinished Oils Unfinished Oils, Naphthas & Lighter Unfinished Oils,

  16. Webb report adds support for choosing LPG as a motor fuel

    SciTech Connect

    Not Available

    1990-01-01

    This article discusses a study on choosing propane and butane as an alternate transportation fuel (ATF). According to this article, the results of the study indicate that propane and butane have met two of the challenges facing selection of an ATF: there is a ready supply of the product and conversion equipment is easily available. Primary goals identified by the study are presented and discussed.

  17. U.S. Crude Oil and Natural Gas Active Well Service Rigs in operation

    Gasoline and Diesel Fuel Update

    Product: Crude Oil and Petroleum Products Crude Oil All Oils (Excluding Crude Oil) Pentanes Plus Liquefied Petroleum Gases Ethane/Ethylene Ethylene Propane/Propylene Propylene (Nonfuel Use) Normal Butane/Butylene Refinery Grade Butane Isobutane/Butylene Other Hydrocarbons Oxygenates (excluding Fuel Ethanol) MTBE Other Oxygenates Renewables (including Fuel Ethanol) Fuel Ethanol Renewable Diesel Fuel Other Renewable Fuels Unfinished Oils Unfinished Oils, Naphthas & Lighter Unfinished Oils,

  18. U.S. Crude Oil and Petroleum Products Stocks by Type

    Energy Information Administration (EIA) (indexed site)

    Product: Crude Oil and Petroleum Products Crude Oil All Oils (Excluding Crude Oil) Pentanes Plus Liquefied Petroleum Gases Ethane/Ethylene Ethylene Propane/Propylene Propylene (Nonfuel Use) Normal Butane/Butylene Refinery Grade Butane Isobutane/Butylene Other Hydrocarbons Oxygenates (excluding Fuel Ethanol) MTBE Other Oxygenates Renewables (including Fuel Ethanol) Fuel Ethanol Renewable Diesel Fuel Other Renewable Fuels Unfinished Oils Unfinished Oils, Naphthas & Lighter Unfinished Oils,

  19. ORISE: Postdoc Research Experiences - Dr. Angela Hartsock

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    will result in millions of gallons of wastewater contaminated with various chemicals," said Hartsock, who is focusing her efforts on natural gas drilling in the Marcellus Shale. ...

  20. Commonwealth Renewable Energy Inc | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    Commonwealth Renewable Energy Inc Place: Pennsylvania Product: A subsidiary of the Andersons Group of Companies that is planning to build a 200m gallon ethanol plant in...

  1. Diesel prices continue to increase

    Energy Information Administration (EIA) (indexed site)

    Diesel prices continue to increase The U.S. average retail price for on-highway diesel fuel rose to $3.87 a gallon on Monday. That's up 3.9 cents from a week ago, based on the weekly price survey by the U.S. Energy Information Administration. Diesel prices were highest in the New England region at 4.01 a gallon, up 4 cents from a week ago, followed by the West Coast region at 4.00 a gallon, up 4.6 cents. Prices were lowest in the Gulf Coast region and Lower Atlantic States at 3.80 a gallon.

  2. Diesel prices continue to increase

    Energy Information Administration (EIA) (indexed site)

    Diesel prices continue to increase The U.S. average retail price for on-highway diesel fuel rose to $3.90 a gallon on Monday. That's up 3.6 cents from a week ago, based on the weekly price survey by the U.S. Energy Information Administration. Diesel prices were highest in the New England region at 4.05 a gallon, up 4.2 cents from a week ago, followed closely by the West Coast region at 4.04 a gallon, up 4.4 cents. Prices were lowest in the Gulf Coast region at 3.84 a gallon, up 4.3 cents.

  3. Diesel prices continue to increase

    Energy Information Administration (EIA) (indexed site)

    Diesel prices continue to increase The U.S. average retail price for on-highway diesel fuel rose to $3.92 a gallon on Monday. That's up 1.2 cents from a week ago, based on the weekly price survey by the U.S. Energy Information Administration. Regionally, diesel prices were highest in New England at 4.06 a gallon, up 1.4 cents from a week ago, followed closely by the West Coast states at 4.05 a gallon, up 1.1 cents. Prices were lowest in the Gulf Coast region at 3.85 a gallon, up 4-tenths of a

  4. Gasoline prices inch up (long version)

    Energy Information Administration (EIA) (indexed site)

    long version) The U.S. average retail price for regular gasoline rose slightly to $3.66 a gallon on Monday. That's up nine tenths of a penny from a week ago, based on the weekly price survey by the U.S. Energy Information Administration. Pump prices were highest in the West Coast region at 3.88 a gallon, down 1.1 cents from a week ago. Followed by prices in the Midwest at 3.87 a gallon, up 3 cents. Prices were lowest in the Gulf Coast States at 3.34 a gallon, down a tenth of a penny

  5. Workbook Contents

    Energy Information Administration (EIA) (indexed site)

    Consumers (Thousand Gallons)" 30863,1187313,990913,137487,26207,37331,28725,21968,4976,18279,432248,23864,8,49797,61726,149312,147541,421178,33707,8324,176935,50138,1352...

  6. untitled

    Energy Information Administration (EIA) (indexed site)

    District and State (Cents per Gallon Excluding Taxes) - Continued Geographic Area Month Aviation Gasoline Kerosene-Type Jet Fuel Kerosene Sales to End Users Sales for Resale...

  7. X:\\Data_Publication\\Pma\\current\\ventura\\pma00.vp

    Energy Information Administration (EIA) (indexed site)

    by PAD District and State (Thousand Gallons per Day) - Continued Geographic Area Month Aviation Gasoline Naphtha- Type Jet Fuel Kerosene- Type Jet Fuel Propane (Consumer Grade)...

  8. X:\\Data_Publication\\Pma\\current\\ventura\\pma00.vp

    Energy Information Administration (EIA) (indexed site)

    District and State (Cents per Gallon Excluding Taxes) - Continued Geographic Area Month Aviation Gasoline Kerosene-Type Jet Fuel Kerosene Sales to End Users Sales for Resale...

  9. untitled

    Energy Information Administration (EIA) (indexed site)

    by PAD District and State (Thousand Gallons per Day) - Continued Geographic Area Month Aviation Gasoline Kerosene-Type Jet Fuel Kerosene No. 1 Distillate Propane (Consumer...

  10. untitled

    Energy Information Administration (EIA) (indexed site)

    by PAD District and State (Thousand Gallons per Day) - Continued Geographic Area Month Aviation Gasoline Kerosene- Type Jet Fuel No. 4 Fuel Oil a Propane (Consumer Grade)...

  11. X:\\L6046\\Data_Publication\\Pma\\current\\ventura\\pma.vp

    Energy Information Administration (EIA) (indexed site)

    by PAD District and State (Thousand Gallons per Day) - Continued Geographic Area Month Aviation Gasoline Kerosene- Type Jet Fuel Propane (Consumer Grade) Residual Fuel Oil...

  12. X:\\L6046\\Data_Publication\\Pma\\current\\ventura\\pma.vp

    Energy Information Administration (EIA) (indexed site)

    District and State (Cents per Gallon Excluding Taxes) - Continued Geographic Area Month Aviation Gasoline Kerosene-Type Jet Fuel Kerosene Sales to End Users Sales for Resale...

  13. X:\\L6046\\Data_Publication\\Pma\\current\\ventura\\pma.vp

    Energy Information Administration (EIA) (indexed site)

    by PAD District and State (Thousand Gallons per Day) - Continued Geographic Area Month Aviation Gasoline Kerosene-Type Jet Fuel Kerosene No. 1 Distillate Propane (Consumer...

  14. untitled

    Energy Information Administration (EIA) (indexed site)

    by PAD District and State (Thousand Gallons per Day) - Continued Geographic Area Month Aviation Gasoline Kerosene- Type Jet Fuel Propane (Consumer Grade) Residual Fuel Oil...

  15. X:\\L6046\\Data_Publication\\Pma\\current\\ventura\\pma.vp

    Energy Information Administration (EIA) (indexed site)

    by PAD District and State (Thousand Gallons per Day) - Continued Geographic Area Month Aviation Gasoline Naphtha- Type Jet Fuel Kerosene- Type Jet Fuel Propane (Consumer Grade)...

  16. Geographic Area Month Aviation Gasoline Kerosene-Type Jet Fuel

    Energy Information Administration (EIA) (indexed site)

    District and State (Cents per Gallon Excluding Taxes) - Continued Geographic Area Month Aviation Gasoline Kerosene-Type Jet Fuel Kerosene Sales to End Users Sales for Resale...

  17. 85-GAL DRUM AND NUCFIL-007LS FILTERS

    SciTech Connect

    JB WOODBURY

    2009-06-30

    {sm_bullet} 55-gallon drums were overpacked into 85-gallon drums {sm_bullet} ANucFiI-007LS long-stem filter was installed- NucFiI certified the use of NucFiI-007LS filters in 8S-gallon drums as DOT 7AType A - Wood wedges were used during the tests to center and . stabilize the inner 55-gallon drums {sm_bullet} During inspection, afew filters were found to be loose, canted, and/or with RTV seals broken - No contamination or loss of container integrity {sm_bullet} Discovered in November 2008 U.

  18. This Week In Petroleum Printer-Friendly Version

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    of a cent to reach 181 cents per gallon. Diesel prices continued to slide downward, dropping for the thirteenth consecutive week nationwide. Prices fell in regions of the...

  19. Department of Energy Delivers on R&D Targets around Cellulosic...

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Users Facility, where scientists led pilot-scale projects for two cellulosic ... Biochemical Waterfall Chart of Minimum Ethanol Selling Price (in 2007 dollars per gallon). ...

  20. Search for: All records | SciTech Connect

    Office of Scientific and Technical Information (OSTI)

    ... (United States) Oakland Operations Office, Oakland, CA ... Office of Environmental Management-Consolidated Business ... with baseline data. 3. Production of 240 gallons per day ...

  1. Northwest Arctic Sustainable Energy Projects

    Energy.gov [DOE] (indexed site)

    ... each Water-sewer plant to off-set energy usage. * Yearly electricity offset per array ... Performance Community installed size Kw MWh Kwh lb Gallon installed Kwhday Since ...

  2. X:\\L6046\\Data_Publication\\Pma\\current\\ventura\\pma.vp

    Energy Information Administration (EIA) (indexed site)

    1 Table 33. Oxygenated Motor Gasoline Prices by Grade, Sales Type, and PAD District (Cents per Gallon Excluding Taxes) Geographic Area Month Regular Midgrade Sales to End Users...

  3. U.S. diesel fuel price falls under $3

    Energy Information Administration (EIA) (indexed site)

    diesel fuel price falls under $3 The U.S. average retail price for on-highway diesel fuel fell 12 cents from a week ago to $2.93 a gallon on Monday. This marks the first time since September 2010 that diesel prices fell under $3 a gallon, based on the weekly price survey by the U.S. Energy Information Administration. Diesel prices were highest in the Central Atlantic region at 3.13 a gallon, down 10.8 cents from a week ago. Prices were lowest in the Gulf Coast region at 2.84 a gallon, down 12.1

  4. ZeaChem Pilot Project: High-Yield Hybrid Cellulosic Ethanol Process Using High-Impact Feedstock for Commercialization

    Energy.gov [DOE]

    This pilot-scale integrated biorefinery will produce 250,000 gallons per year of cellulosic ethanol when running at full operational status.

  5. Slide 1

    Energy Information Administration (EIA) (indexed site)

    ... 16 percent (34 cents per gallon ) above baseline, while the average delivered electricity price is 21 percent higher (1.7 cents per kilowatt hour). * Electricity price impacts ...

  6. Word Pro - S1

    Energy Information Administration (EIA) (indexed site)

    Consumer Price Index, All Urban Consumers a Motor Gasoline b Residential Heating Oil c Residential Natural Gas b Residential Electricity b Index 1982-1984100 Dollars per Gallon ...

  7. Annual Energy Outlook 2015 - Appendix A

    Gasoline and Diesel Fuel Update

    2015 Reference case Table A12. Petroleum and other liquids prices (2013 dollars per gallon, unless otherwise noted) Energy Information Administration Annual Energy Outlook 2015 ...

  8. Word Pro - S9

    Energy Information Administration (EIA) (indexed site)

    a per Gallon, Excluding Taxes) Finished Motor Gasoline b Finished Aviation Gasoline ... See "Nominal Dollars" in Glossary. b See Note 5, "Motor Gasoline Prices," at end of ...

  9. ,"Fuel Oil Consumption",,,"Fuel Oil Expenditures"

    Energy Information Administration (EIA) (indexed site)

    4. Fuel Oil Consumption and Expenditure Intensities for Non-Mall Buildings, 2003" ,"Fuel Oil Consumption",,,"Fuel Oil Expenditures" ,"per Building (gallons)","per Square Foot...

  10. Consumption

    Energy Information Administration (EIA) (indexed site)

    5. Fuel Oil Consumption and Conditional Energy Intensity by Census Region for Non-Mall Buildings, 2003" ,"Total Fuel Oil Consumption (million gallons)",,,,"Total Floorspace of...

  11. ,"Total Fuel Oil Expenditures

    Energy Information Administration (EIA) (indexed site)

    4. Fuel Oil Expenditures by Census Region, 1999" ,"Total Fuel Oil Expenditures (million dollars)",,,,"Fuel Oil Expenditures (dollars)" ,,,,,"per Gallon",,,,"per Square Foot"...

  12. Consumption

    Energy Information Administration (EIA) (indexed site)

    3. Fuel Oil Consumption and Conditional Energy Intensity by Census Region, 1999" ,"Total Fuel Oil Consumption (million gallons)",,,,"Total Floorspace of Buildings Using Fuel Oil...

  13. National Security Science - April 2013

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Megawatts of power, millions of gallons of water, a football-field-size floor Turning Big Data into fast data Solving the roadblock for tomorrow's exascale supercomputing...

  14. Center Ethanol Company LLC | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    LLC Jump to: navigation, search Name: Center Ethanol Company LLC Place: Illinois Product: Illinois based company building a 54m gallon ethanol plant in Sauget, IL. References:...

  15. Marysville Ethanol LLC | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    Marysville Ethanol LLC Jump to: navigation, search Name: Marysville Ethanol LLC Place: Marysville, Michigan Zip: 48040 Product: Developing a 50m gallon ethanol plant in Marysville,...

  16. Great Valley Ethanol LLC | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    Valley Ethanol LLC Jump to: navigation, search Name: Great Valley Ethanol LLC Place: Bakersfield, California Product: Developing a 63m gallon ethanol plant in Hanford, CA...

  17. Kansas Ethanol LLC | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    Ethanol LLC Jump to: navigation, search Name: Kansas Ethanol LLC Place: Lyons, Kansas Zip: 67554 Product: Constructing a 55m gallon ethanol plant in Rice County, Kansas...

  18. Platinum Ethanol LLC | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    Platinum Ethanol LLC Jump to: navigation, search Name: Platinum Ethanol LLC Place: Arthut, Iowa Product: Developed a 110m gallon (416m litre) ethanol plant in Arthur, IA....

  19. Bioenergy Success Stories | Department of Energy

    Energy.gov [DOE] (indexed site)

    EERE's bioenergy success stories below. November 30, 2015 The DuPont cellulosic ethanol facility in Nevada, Iowa, will produce about 30 million gallons of cellulosic ethanol...

  20. Algal Biofuel Technologies

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    goals, development must move beyond biodiesel and ethanol to fuels 2010 2010 950 ... 30 35 40 Billions of Gallons Ethanol & Biodiesel Conventional (Starch) Biofuel Biodiesel ...

  1. Monthly Biodiesel Production Report - Energy Information Administratio...

    Annual Energy Outlook

    Monthly Biodiesel Production Report With Data for July 2016 | Release Date: September 30, ... Highlights Production - U.S. production of biodiesel was 140 million gallons in July 2016. ...

  2. Monthly Biodiesel Production Report

    Gasoline and Diesel Fuel Update

    U.S. Biodiesel production capacity and production million gallons Period Annual Production ... B100 is the industry designation for pure biodiesel; a biodiesel blend contains both pure ...

  3. "Period","Annual Production Capacity",,"Monthly B100 Production...

    Energy Information Administration (EIA) (indexed site)

    Biodiesel production capacity and production" "million gallons" "Period","Annual ... is the industry designation for pure biodiesel; a biodiesel blend contains both pure ...

  4. Second AEO2014 Liquids Fuels Markets Working Group Meeting Summary

    Gasoline and Diesel Fuel Update

    ... biofuels to California - corn ethanol, biodiesel, Brazilian sugarcane ethanol, etc. ... A- 10 billion gallons per year - Biodiesel is included in Northeast heating oil ...

  5. Microsoft PowerPoint - conti_conference_Final.ppt

    Energy Information Administration (EIA) (indexed site)

    ethanol by 2022 1 billion gallon of biodiesel by 2012 * Other Efficiency Standards ... Energy Independence and Security Act of 2007 Frozen Includes ethanol, biodiesel, and ...

  6. Microsoft Word - Highlights.docx

    Annual Energy Outlook

    ... 2013. EIA estimates that biodiesel production in 2011 averaged about 58 thousand bbld (885 million gallons of total annual production). Forecast biodiesel production remains at 58 ...

  7. Tax Credits, Rebates & Savings | Department of Energy

    Energy.gov [DOE] (indexed site)

    building. Florida law also requires that all new educational facilities include passive solar design. Florida mandates that schools with hot water demands exceeding 1,000 gallons...

  8. Efficiency Advocates' Ex Parte Communication | Department of...

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    standards for large (>55 gallon) residential electric storage water heaters used in demand response and thermal energy storage programs (Docket No. EERE-2012-BT-STD-0022). ...

  9. Alternative Fuels Data Center

    Alternative Fuels and Advanced Vehicles Data Center

    Beginning January 1, 2017, alternative fuels will be taxed equal to the motor fuel tax on a gallon equivalent basis. Alternative fuels include natural gas, propane, hydrogen, and ...

  10. X:\\Data_Publication\\Pma\\current\\ventura\\pma00.vp

    Energy Information Administration (EIA) (indexed site)

    Energy Information AdministrationPetroleum Marketing Annual 2000 Table 33. Oxygenated Motor Gasoline Prices by Grade, Sales Type, and PAD District (Cents per Gallon Excluding...

  11. Mobile Truck Stop Electrification Locator Now Available - News...

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    a billion gallons of fuel each year nationwide," said Wendy Dafoe, NREL manager of DOE's Alternative Fuels and Advanced ... of electrification sites, the mobile locator can ...

  12. National Trail Biodiesel | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    Trail Biodiesel Jump to: navigation, search Name: National Trail Biodiesel Place: Newton, Illinois Zip: 62448 Product: Owner of a planned 30m gallon per year biodiesel plant in...

  13. EERE Success Story-Oregon, Pennsylvania: EERE-Supported Innovation...

    Energy.gov [DOE] (indexed site)

    nanocoatings are making gas turbine engines more efficient, reducing cost and saving fuel. ... EERE-funded technology has the potential to save millions of gallons of aviation fuel ...

  14. FROM: Keith Dennis, National Rural Electric Cooperative Association...

    Energy.gov [DOE] (indexed site)

    standards for large (>55 gallon) residential electric storage water heaters used in demand response and thermal energy storage programs (Docket No. EERE-2012-BT-STD-0022). ...

  15. environmental_restoration_strategic_plan.pdf

    Energy Saver

    eGallon and Electric Vehicle Sales: The Big Picture eGallon and Electric Vehicle Sales: The Big Picture August 19, 2013 - 8:30am Addthis eGallon: Compare the costs of driving with electricity What is eGallon? It is the cost of fueling a vehicle with electricity compared to a similar vehicle that runs on gasoline. Did you know? On average, it costs about half as much to drive an electric vehicle. Find out how much it costs to fuel an electric vehicle in your state regular gasoline 0 6 4 1 0 3 * 0

  16. untitled

    Energy Information Administration (EIA) (indexed site)

    Table 39. Refiner Motor Gasoline Volumes by Grade, Sales Type, PAD District, and State (Thousand Gallons per Day) Geographic Area Month Regular Midgrade Sales to End Users...

  17. Petroleum Products Table 43. Refiner Motor Gasoline Volumes...

    Energy Information Administration (EIA) (indexed site)

    1995 Table 43. Refiner Motor Gasoline Volumes by Grade, Sales Type, PAD District, and State (Thousand Gallons per Day) - Continued Geographic Area Month Premium All Grades Sales...

  18. Petroleum Products Table 43. Refiner Motor Gasoline Volumes...

    Energy Information Administration (EIA) (indexed site)

    2000 Table 43. Refiner Motor Gasoline Volumes by Grade, Sales Type, PAD District, and State (Thousand Gallons per Day) - Continued Geographic Area Month Premium All Grades Sales...

  19. X:\\L6046\\Data_Publication\\Pma\\current\\ventura\\pma.vp

    Energy Information Administration (EIA) (indexed site)

    Table 39. Refiner Motor Gasoline Volumes by Grade, Sales Type, PAD District, and State (Thousand Gallons per Day) Geographic Area Month Regular Midgrade Sales to End Users...

  20. Petroleum Products Table 31. Motor Gasoline Prices by Grade...

    Energy Information Administration (EIA) (indexed site)

    Annual 1995 Table 31. Motor Gasoline Prices by Grade, Sales Type, PAD District, and State (Cents per Gallon Excluding Taxes) - Continued Geographic Area Month Premium All...

  1. Petroleum Products Table 31. Motor Gasoline Prices by Grade...

    Energy Information Administration (EIA) (indexed site)

    Annual 2000 Table 31. Motor Gasoline Prices by Grade, Sales Type, PAD District, and State (Cents per Gallon Excluding Taxes) - Continued Geographic Area Month Premium All...

  2. untitled

    Energy Information Administration (EIA) (indexed site)

    Table 43. Refiner Motor Gasoline Volumes by Grade, Sales Type, PAD District, and State (Thousand Gallons per Day) Geographic Area Month Regular Midgrade Sales to End Users...

  3. Pantex High Pressure Fire Loop Project Completed On Time, Under...

    National Nuclear Security Administration (NNSA)

    Using underruns generated from these savings, the Integrated Project Team added scope through the Baseline Change Proposal process. Two 400,000-gallon fire protection water supply ...

  4. Workbook Contents

    Energy Information Administration (EIA) (indexed site)

    Distillate Adj SalesDeliveries to Residential Consumers (Thousand Gallons)","East Coast (PADD 1) Total Distillate Adj SalesDeliveries to Residential Consumers (Thousand...

  5. Workbook Contents

    Energy Information Administration (EIA) (indexed site)

    Total Distillate SalesDeliveries to Railroad Consumers (Thousand Gallons)","East Coast (PADD 1) Total Distillate SalesDeliveries to Railroad Consumers (Thousand...

  6. Workbook Contents

    Energy Information Administration (EIA) (indexed site)

    Total Distillate SalesDeliveries to Commercial Consumers (Thousand Gallons)","East Coast (PADD 1) Total Distillate SalesDeliveries to Commercial Consumers (Thousand...

  7. Workbook Contents

    Energy Information Administration (EIA) (indexed site)

    Distillate SalesDeliveries to Vessel Bunkering Consumers (Thousand Gallons)","East Coast (PADD 1) Total Distillate SalesDeliveries to Vessel Bunkering Consumers (Thousand...

  8. Workbook Contents

    Energy Information Administration (EIA) (indexed site)

    Total Distillate SalesDeliveries to Military Consumers (Thousand Gallons)","East Coast (PADD 1) Total Distillate SalesDeliveries to Military Consumers (Thousand...

  9. Workbook Contents

    Energy Information Administration (EIA) (indexed site)

    Total Distillate Adj SalesDeliveries Total to End Users (Thousand Gallons)","East Coast (PADD 1) Total Distillate Adj SalesDeliveries Total to End Users (Thousand...

  10. Workbook Contents

    Energy Information Administration (EIA) (indexed site)

    Total Distillate SalesDeliveries to Oil Company Consumers (Thousand Gallons)","East Coast (PADD 1) Total Distillate SalesDeliveries to Oil Company Consumers (Thousand...

  11. Workbook Contents

    Energy Information Administration (EIA) (indexed site)

    Total Distillate SalesDeliveries to Industrial Consumers (Thousand Gallons)","East Coast (PADD 1) Total Distillate SalesDeliveries to Industrial Consumers (Thousand...

  12. untitled

    Annual Energy Outlook

    of Aviation Fuels and Kerosene by PAD District and State (Cents per Gallon Excluding Taxes) - Continued Geographic Area Month Aviation Gasoline Kerosene-Type Jet Fuel Kerosene...

  13. untitled

    Energy Information Administration (EIA) (indexed site)

    Gasoline Prices by Grade, Sales Type, and PAD District (Cents per Gallon Excluding Taxes) Geographic Area Month Regular Midgrade Sales to End Users Sales for Resale Sales to...

  14. X:\\L6046\\Data_Publication\\Pma\\current\\ventura\\pma.vp

    Energy Information Administration (EIA) (indexed site)

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  14. untitled

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  18. untitled

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  6. untitled

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  19. Alaska Village Electric Cooperative (AVEC) - Deploying Renewables...

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  13. X:\\L6046\\Data_Publication\\Pma\\current\\ventura\\pma.vp

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  19. Picture of the Week: Cooling new Trinity supercomputer

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    millions of gallons of well water per year. March 2, 2015 supercomputing hardware for cooling system . Installation of the cooling infrastructure to support the new Trinity...

  20. Alternative Fuels | Argonne National Laboratory

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    gallons by 2022. Public concern over mobile sources of air pollution provides an additional incentive to produce fuels that generate fewer emissions and increase efficiency. ...

  1. Microsoft PowerPoint - Joe Rose.Providence.Propane Supply Infrastruct...

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Propane Supply & Infrastructure Prepared for Quadrennial Energy Review Home Heating Panel ... between October 2013 and March 2014, propane demand came in about 570 million gallons ...

  2. Tax Credits, Rebates & Savings | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    gallons per day must include a solar water heating system that provides at least 65% of hot water needs whenever economically... Eligibility: Construction, Schools, State...

  3. Total Space Heating Water Heating Cook-

    Annual Energy Outlook

    (million gallons) Fuel Oil Energy Intensity (gallonssquare foot) Energy-Related Space Functions (more than one may apply) Commercial Food Preparation.... 860 720 87 Q 41...

  4. Energy Information Administration/Short-Term Energy Outlook - July 2005

    Gasoline and Diesel Fuel Update

    July 2005 1 Short-Term Energy Outlook July 2005 2005 Summer Motor Fuels Outlook Update (Figure 1) Retail regular-grade gasoline prices moved up from about $2.12 per gallon at the beginning of June to $2.33 on July 11. Gasoline pump prices for the summer (April-September) are now projected to average $2.25 per gallon, 8 cents per gallon higher than last month's projection and about 35 cents per gallon above the year-ago level. Crude oil prices are expected to remain high enough to keep quarterly

  5. Agra Resources Cooperative EXOL | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    EXOL Jump to: navigation, search Name: Agra Resources Cooperative (EXOL) Place: Albert Lea, Minnesota Product: EXOL produces 40m gallons of ethanol a year in their plant at...

  6. This Week In Petroleum Printer-Friendly Version

    Annual Energy Outlook

    35 miles per gallon (MPG) by 2020, based on the Environmental Protection Agency (EPA) test value used to measure compliance with the CAFE standard. The higher fuel economy...

  7. SFPNA Sustainability

    Gasoline and Diesel Fuel Update

    Forestry Recovery for Recycling Water Reduction Waste Reduction Technology ... BTU energy savings 480 Billion gallons water reduction Next generation pulping - higher ...

  8. ,"U.S. Refiner Petroleum Product Prices"

    Energy Information Administration (EIA) (indexed site)

    ...AEPPRLPTGNUSDPG","EMAEPPRHPTGNUSDPG" "Date","U.S. Total Gasoline Retail Sales by Refiners (Dollars per Gallon)","U.S. Aviation Gasoline Retail Sales by Refiners (Dollars ...

  9. Vehicles | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    DOE has also pioneered better combustion engines that have saved billions of gallons of petroleum fuel, while making diesel vehicles as clean as gasoline-fueled vehicles. Vehicle ...

  10. Hanford Treats Record Amount of Groundwater

    Energy.gov [DOE]

    Workers have treated more than 800 million gallons of groundwater at the Hanford Site so far this year, a record annual amount.

  11. Price of Motor Gasoline Through Retail Outlets

    Annual Energy Outlook

    & Stocks by State (Dollars per Gallon Excluding Taxes) Data Series: Retail Price - Motor Gasoline Retail Price - Regular Gasoline Retail Price - Midgrade Gasoline Retail Price...

  12. PowerPoint Presentation

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    W. Smith, Manager Hanford Advisory Board September 5, 2013 2 Office of River Protection Mission Mission: Safely manage Hanford's 56 million gallons of liquid radioactive tank ...

  13. Alaska Strategic Energy Plan and Planning Handbook

    Energy Saver

    ... Electric usage (annual, kWh) Heating fuel usage (annual, gallons) Other information Teacher Housing HUD or Housing Authority Housing Owner Built Renewable Energy Sources Readily ...

  14. Selective aromatization of C[sub 3] and C[sub 4] paraffins over modified encilite catalysts. 1. Qualitative study

    SciTech Connect

    Jana, A.K.; Rao, M.S. . Department of Chemical Engineering)

    1993-06-01

    The catalytic activity of Zn-encilite in the aromatization of propane and n-butane has been studied by a comparative study of the yields of benzene, toluene, and xylenes (BTX) using propane and n-butane as feeds. The results showed that n-butane had better activity and selectivity to BTX than propane. The effects of reaction temperature, contact time, inlet concentration, poisoning with ammonia on H-encilite, and different degrees of ion exchange with Zn[sup 2+] ion were studied in detail in order to obtain information on the reaction mechanism. The results indicated that the activity and the selectivity were dictated by the acidity and Zn loading on the catalyst.

  15. Superacid catalysis of light hydrocarbon conversion. DOE PETC fourth quarterly report, May 25, 1994--August 24, 1994

    SciTech Connect

    Gates, B.C.

    1995-12-31

    The primary goal of this project is to evaluate the potential value of solid superacid catalysts of the sulfated zirconia type for light hydrocarbon conversion. The key experiments include testing of the performance of such catalysts in a flow reactor fed with streams containing, for example, n-butane or propane. A solid superacid catalyst was prepared by addition of iron and manganese to sulfated zirconium hydroxide followed by calcination. The catalyst was tested for n-butane conversion in a packed-bed flow reactor at temperatures of 40 to 225{degrees}C with the reactant partial pressure in the range of 0.0025-0.01 attn. The predominant catalytic reaction was n-butane isomerization, and this was accompanied at 40{degrees}C by near stoichiometric disproportionation. The C3/C5 molar ratio was generally greater than 1, consistent with conversion of the secondary C5 products. As the temperature increased, the selectivity for isomerization decreased and that for disproportionation increased. In a typical experiment the activity of the catalyst increased for about 1 h on stream and then declined rapidly. The rate maxima as a function of time on stream were taken as a measure of the initial activity of the catalyst. For example, the approximate rate of isomerization of n-butane at the maximum was 4.3 x 10-8 mol/(g of catalyst {center_dot} s) with a feed n-butane partial pressure of 0.0025 atm at 75{degrees}C. With a feed n-butane partial pressure of 0.005 atm at 40{degrees}C and a conversion of 1 1%, the molar ratio of propane to i-butane was 0.03, and with the same feed composition at 100{degrees}C, this ratio at a conversion of 50% was 0.1. The iron- and manganese-promoted solid superacid catalyst is potentially of value for practical low-temperature paraffin isomerization accompanied by disproportionation of n-butane.

  16. Crystalline mesoporous zirconia catalysts having stable tetragonal pore wall structure

    DOEpatents

    Sachtler, W.M.H.; Huang, Y.Y.

    1998-07-28

    Methods are disclosed for the preparation of new sulfated mesoporous zirconia materials/catalysts with crystalline pore walls of predominantly tetragonal crystal structure, characterized by nitrogen physical sorption measurement, X-ray diffraction, transmission electron microscopy and catalytic tests using n-butane isomerization to iso-butane and alkylation of 1-naphthol with 4-tert-butylstyrene as probe reactions. Sulfate deposition is preferred for the transformation of a mesoporous precursor with amorphous pore walls into a material with crystalline pore walls maintaining the mesoporous characteristics. 17 figs.

  17. Crystalline mesoporous zirconia catalysts having stable tetragonal pore wall structure

    DOEpatents

    Sachtler, Wolfgang M. H.; Huang, Yin-Yan

    1998-01-01

    Methods for the preparation of new sulfated mesoporous zirconia materials/catalysts with crystalline pore walls of predominantly tetragonal crystal structure, characterized by nitrogen physisorption measurement, X-ray diffraction, transmission electron microscopy and catalytic tests using n-butane isomerization to iso-butane and alkylation of 1-naphthol with 4-tert-butylstyrene as probe reactions. Sulfate deposition is preferred for the transformation of a mesoporous precursor with amorphous pore walls into a material with crystalline pore walls maintaining the mesoporous characteristics.

  18. Asia, North America lead way in growth of NGL, LPG trade

    SciTech Connect

    Otto, K.; Gist, R.; Whitley, C.; Haun, R.

    1998-01-12

    Recent analyses of world NGL trade indicate that important changes in LPG supply and demand are under way in Asia and North America. LPG markets in the 1990s reflect a rapidly shifting balance between East-of-Suez and West-of-Suez markets. This shift has increased concern about availability of future LPG supplies for Asia. The paper discusses world developments, East versus West of Suez, end uses and supplies in Asia, Canadian ethane, propane, butane, and natural gasoline, Mexican ethane, LPG, and natural gasoline, US ethane, propane, butanes, and iso-C{sub 4} and C{sub 5}.

  19. Regioselective alkane hydroxylation with a mutant AlkB enzyme

    SciTech Connect

    Koch, Daniel J.; Arnold, Frances H.

    2012-11-13

    AlkB from Pseudomonas putida was engineered using in-vivo directed evolution to hydroxylate small chain alkanes. Mutant AlkB-BMO1 hydroxylates propane and butane at the terminal carbon at a rate greater than the wild-type to form 1-propanol and 1-butanol, respectively. Mutant AlkB-BMO2 similarly hydroxylates propane and butane at the terminal carbon at a rate greater than the wild-type to form 1-propanol and 1-butanol, respectively. These biocatalysts are highly active for small chain alkane substrates and their regioselectivity is retained in whole-cell biotransformations.

  20. Word Pro - Untitled1

    Energy Information Administration (EIA) (indexed site)

    0 Natural Gas Plant Liquids Production Total, 1949-2011 By Product, 2011 By Selected Product, 1949-2011 138 U.S. Energy Information Administration / Annual Energy Review 2011 Source: Table 5.10. 1950 1960 1970 1980 1990 2000 2010 0 500 1,000 1,500 2,000 2,500 Thousand Barrels per Day 909 618 295 208 152 Ethane Propane Pentanes Isobutane Normal 0 200 400 600 800 1,000 Thousand Barrels per Day Plus Butane Isobutane Normal Butane Propane 1950 1955 1960 1965 1970 1975 1980 1985 1990 1995 2000 2005

  1. Levi Tillemann | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Levi Tillemann About Us Levi Tillemann - Special Advisor for Policy and International Affairs Levi Tillemann Levi Tillemann is a Special Advisor for Policy and International Affairs. Most Recent #CleanTechNow: America's Clean Energy Revolution September 17 eGallon and Electric Vehicle Sales: The Big Picture August 19 EV Sales Skyrocketing. eGallon Holds Steady. July 19

  2. Residential heating oil prices available

    Energy Information Administration (EIA) (indexed site)

    heating oil prices available The average retail price for home heating oil is $2.41 per gallon, based on the residential heating fuel survey by the U.S. Energy Information Administration. Heating oil prices in the New England region currently average $2.35 per gallon. This is Marcela Rourk with EIA, in Washington.

  3. Residential propane price increases

    Energy Information Administration (EIA) (indexed site)

    propane price increases The average retail price for propane is $2.02 per gallon, up 4-tenths of a cent from last week, based on the residential heating fuel survey by the U.S. Energy Information Administration. Propane prices in the Midwest region averaged $1.48 per gallon, down 1-tenth of a cent from last week, and down 43

  4. C:\Forms\DOE F 1400.8.cdr

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    400.8 (11-79) U.S. DEPARTMENT OF ENERGY MOTOR VEHICLE PETROLEUM ISSUE RECORD FROM PERIOD NUMBER TO REGION POOL PUMP PAGE TAG NO. TAG NO. VEHICLE CLASS TOTAL* *Enter on last page only. G G INITIALS INITIALS DATE DATE GAS (Gallons to nearest tenth) GAS (Gallons to nearest tenth) OIL (Qts.) OIL (Qts.)

  5. Voluntary Reporting of Greenhouse Gases Program - Electricity...

    Gasoline and Diesel Fuel Update

    Jet Fuel ( Jet A, JP-8) 70.88 kg CO2 MMBtu 9.57 kg CO2 gallon Kerosene 72.31 kg CO2 MMBtu 9.76 kg CO2 gallon Heavy Fuel Oil (No. 5, 6 fuel oil), bunker fuel 78.80 kg CO2 ...

  6. Fact #667: March 21, 2011 Fuel Wasted in Traffic Congestion ...

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Total Fuel Wasted Due to Congestion, 1982-2009 Year Fuel Wasted (Billion gallons) Year Fuel Wasted (Billion gallons) 1982 0.73 1996 2.53 1983 0.80 1997 2.68 1984 0.88 1998 2.81 ...

  7. Fact #858 February 2, 2015 Retail Gasoline Prices in 2014 Experienced the Largest Decline since 2008

    Office of Energy Efficiency and Renewable Energy (EERE)

    In the second half of 2014, the national average retail price per gallon of gasoline (all grades) fell from a high of $3.77 in June to a low of $2.63 in December – a difference of $1.14 per gallon....

  8. Short-Term Energy Outlook April 2000--STEO Preface

    Annual Energy Outlook

    to reach a peak of 1.52 per gallon in April-a new record--and decline steadily to 1.39 per gallon by September due to the impact of increases in world-wide crude oil production. ...

  9. In situ vibrational spectroscopic investigation of C{sub 4} hydrocarbon selective oxidation over vanadium-phosphorus-oxide catalysts

    SciTech Connect

    Xue, Z.Y.

    1999-05-10

    n-Butane selective oxidation over the VPO catalyst to maleic anhydride is the first and only commercialized process of light alkane selective oxidation. The mechanism of this reaction is still not well known despite over twenty years of extensive studies, which can partially be attributed to the extreme difficulties to characterize catalytic reactions real-time under typical reaction conditions. In situ spectroscopic characterization techniques such as Infrared spectroscopy and laser Raman spectroscopy were used in the current mechanistic investigations of n-butane oxidation over VPO catalysts. To identify the reaction intermediates, oxidation of n-butane, 1,3-butadiene and related oxygenates on the VPO catalyst were monitored using FTIR spectroscopy under transient conditions. n-Butane was found to adsorb on the VPO catalyst to form olefinic species, which were further oxidized to unsaturated, noncyclic carbonyl species. The open chain dicarbonyl species then experienced cycloaddition to form maleic anhydride. VPO catalyst phase transformations were investigated using in situ laser Raman spectroscopy. This report contains Chapter 1: General introduction; Chapter 2: Literature review; and Chapter 5: Conclusion and recommendations.

  10. Influence of NaA Zeolite Crystal Expansion/Contraction on Zeolite Membrane Separations

    SciTech Connect

    Sorenson, Stephanie G; Payzant, E Andrew; Gibbons, Will T; Soydas, Belma; Kita, Hidetoshi; Noble, Richard D; Falconer, John L.

    2011-01-01

    In-situ powder XRD measurements showed that the NaA zeolite unit cell contracts and expands upon adsorption, and these changes in zeolite crystal size correlate with permeation changes through NaA zeolite membranes. These membranes had high pervaporation selectivities, even though gas permeation was mainly through defects, as indicated by Knudsen selectivities for gases. At 300 K and a thermodynamic activity of 0.03, water contracted the NaA crystals by 0.22 vol%, and this contraction increased the helium flux through two NaA membranes by approximately 80%. Crystal contraction also increased the fluxes of i-butane during vapor permeation and i-propanol (IPA) during pervaporation (~ 0.03 wt% water). At activities above 0.07, water expanded NaA crystals and correspondingly decreased the membrane fluxes of helium, i-butane, and IPA. Similarly, methanol contracted NaA crystals by 0.05 vol% at an activity of 0.02, and this contraction slightly increased the helium and i-butane fluxes through a NaA membrane. Above an activity of 0.06, methanol expanded the crystals, and the fluxes of helium and i-butane through a NaA membrane decreased. The adsorbate-induced changes explain some pervaporation behavior reported by others, and they indicate that crystal expansion and contraction may increase or decrease zeolite NaA membrane selectivity by changing the defect sizes.

  11. Engineering development of advanced physical fine coal cleaning for premium fuel applications: Subtask 3.3 - dewatering studies

    SciTech Connect

    Yoon, R. H.; Phillips, D. I.; Sohn, S. M.; Luttrell, G. H.

    1996-10-01

    If successful, the novel Hydrophobic Dewatering (HD) process being developed in this project will be capable of efficiently removing moisture from fine coal without the expense and other related drawbacks associated with mechanical dewatering or thermal drying. In the HD process, a hydrophobic substance is added to a coal-water slurry to displace water from the surface of coal, while the spent hydrophobic substance is recovered for recycling. For this process to have commercialization potential, the amount of butane lost during the process must be small. Earlier testing revealed the ability of the hydrophobic dewatering process to reduce the moisture content of fine coal to a very low amount as well as the determination of potential butane losses by the adsorption of butane onto the coal surface. Work performed in this quarter showed that the state of oxidation affects the amount of butane adsorbed onto the surface of the coal and also affects the final moisture content. the remaining work will involve a preliminary flowsheet of a continuous bench-scale unit and a review of the economics of the system. 1 tab.

  12. MEMS-based fuel cells with integrated catalytic fuel processor and method thereof

    DOEpatents

    Jankowski, Alan F.; Morse, Jeffrey D.; Upadhye, Ravindra S.; Havstad, Mark A.

    2011-08-09

    Described herein is a means to incorporate catalytic materials into the fuel flow field structures of MEMS-based fuel cells, which enable catalytic reforming of a hydrocarbon based fuel, such as methane, methanol, or butane. Methods of fabrication are also disclosed.

  13. PSA Vol 1 Tables Revised Ver 2 Print.xls

    Annual Energy Outlook

    Pentanes Plus 30 - 1 -17 - 0 6 1 6 Liquefied Petroleum Gases 172 4 9 -141 - 0 9 1 34 EthaneEthylene 82 0 0 -76 - 0 0 0 6 PropanePropylene 57 8 7 -39 - 0 0 0 33 Normal Butane...

  14. Roaming radical pathways for the decomposition of alkanes.

    SciTech Connect

    Harding, L. B.; Klippenstein, S. J.

    2010-01-01

    CASPT2 calculations predict the existence of roaming radical pathways for the decomposition of propane, n-butane, isobutane and neopentane. The roaming radical paths lead to the formation of an alkane and an alkene instead of the expected radical products. The predicted barriers for the roaming radical paths lie {approx}1 kcal/mol below the corresponding radical asymptotes.

  15. Ventilation of liquefied petroleum gas components from the Valley of Mexico

    SciTech Connect

    Elliott, S.; Blake, D.R.; Sherwood Rowland, F.; Lu, R.; Brown, M.J.; Williams, M.D.; Russell, A.G.; Bossert, J.E.; Streit, G.E.; Santoyo, M.R.; Guzman, F.; Porch, W.M.; McNair, L.A.; Keyantash, J.; Kao, C.J.; Turco, R.P.; Eichinger, W.E.

    1997-09-01

    The saturated hydrocarbons propane and the butane isomers are both indirect greenhouse gases and key species in liquefied petroleum gas (LPG). Leakage of LPG and its component alkanes/alkenes is now thought to explain a significant fraction of the volatile organic burden and oxidative potential in the basin which confines Mexico City. Propane and the butanes, however, are stable enough to escape from the basin. The gas chromatographic measurements which have drawn attention to their sources within the urban area are used here to estimate rates of ventilation into the free troposphere. The calculations are centered on several well studied February/March pollution episodes. Carbon monoxide observations and emissions data are first exploited to provide a rough time constant for the removal of typical inert pollutant species from the valley. The timescale obtained is validated through an examination of meteorological simulations of three-dimensional flow. Heuristic arguments and transport modeling establish that propane and the butanes are distributed through the basin in a manner analogous to CO despite differing emissions functions. Ventilation rates and mass loadings yield outbound fluxes in a box model type computation. Estimated in this fashion, escape from the Valley of Mexico constitutes of the order of half of 1{percent} of the northern hemispheric inputs for both propane and n-butane. Uncertainties in the calculations are detailed and include factors such as flow into the basin via surface winds and the size of the polluted regime. General quantification of the global propane and butane emissions from large cities will entail studies of this type in a variety of locales.{copyright} 1997 American Geophysical Union

  16. Superacid catalysis of light hydrocarbon conversion. DOE PETC third quarterly report, February 25, 1994--May 24, 1994

    SciTech Connect

    Gates, B.C.

    1995-12-31

    Environmental concerns are leading to the replacement of aromatic hydrocarbons in gasoline by high-octane-number branched paraffins and oxygenated compounds such as methyl t-butyl ether. The ether is produced from methanol and isobutylene, and the latter can be formed from n-butane by isomerization followed by dehydrogenation. Paraffin isomerization reactions are catalyzed by very strong acids such as aluminum chloride supported on alumina. The aluminum chloride-containing catalysts are corrosive, and their disposal is expensive. Alternatively, hydroisomerization is catalyzed by zeolite-supported metals at high temperatures, but high temperatures do not favor branched products at equilibrium. Thus there is a need for improved catalysts and processes for the isomerization of n-butane and other straight-chain paraffins. Consequently, researchers have sought for solid acids that are noncorrosive and active enough to catalyze isomerization of paraffins at low temperatures. For example, sulfated zirconia catalyzes isomerization of n-butane at temperatures as low as 25{degrees}C. The addition of iron and manganese promoters has been reported to increase the activity of sulfated zirconia for n-butane isomerization by three orders of magnitude. Although the high activity of this catalyst is now established, the reaction network is not known, and the mechanism has not been investigated. The goal of this work is to investigate low-temperature reactions of light paraffins catalyzed by solid superacids of the sulfated zirconia type. The present report is concerned with catalysis of n-butane conversion catalyzed by the Fe- and Mn- promoted sulfated zirconia described in the previous report in this series.

  17. Slide 1

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    on: Single-Shell Tank T-111 and Single-Shell Tanks with Decreasing Levels April 10, 2013 Hanford Advisory Board Tank Waste Committee 1943 2013 Original waste volume in single- shell tanks 1978 Estimated ~1M gallons of tank waste leaked into Vadose Zone ~2.7 million gallons of drainable liquid remaining in the SSTs 1959 2005 ~7.5M gallons of pumpable liquids moved to safer double-shell tanks Interim Stabilization Interim Stabilization Program 2 Foamed Pit Cover Block - B-200 Intrusion Prevention

  18. Diesel prices continue to decrease

    Energy Information Administration (EIA) (indexed site)

    Diesel prices continue to decrease The U.S. average retail price for on-highway diesel fuel fell to $4.01 a gallon on Monday. That's down 4.1 cents from a week ago, based on the weekly price survey by the U.S. Energy Information Administration. Diesel prices were highest in the New England region at 4.17 a gallon, down 3.3 cents from a week ago. Prices were lowest in the Gulf Coast region and the Rocky Mountain States at 3.94 a gallon, down 5.4 cents and down 3.6 cents, respectively

  19. Diesel prices continue to decrease

    Energy Information Administration (EIA) (indexed site)

    Diesel prices continue to decrease The U.S. average retail price for on-highway diesel fuel fell to $3.98 a gallon on Monday. That's down 1.6 cents from a week ago, based on the weekly price survey by the U.S. Energy Information Administration. Diesel prices were highest in the New England region at 4.13 a gallon, down 1.4 cents from a week ago. Prices were lowest in the Gulf Coast region at 3.89 a gallon, down 2.7

  20. Diesel prices continue to decrease

    Energy Information Administration (EIA) (indexed site)

    Diesel prices continue to decrease The U.S. average retail price for on-highway diesel fuel fell to $3.94 a gallon on Monday. That's down 3 1/2 cents from a week ago, based on the weekly price survey by the U.S. Energy Information Administration. Diesel prices were highest in the New England region at 4.11 a gallon, down 2.9 cents from a week ago. Prices were lowest in the Gulf Coast region at 3.85 a gallon, down 3.6 cents. This is Amerine Woodyard, with EIA, in Washington.