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Filters: Publication Type: "journal article" Research Institute: "Institute for Clean and Secure Energy (ICSE)" Collection: "ir_eua" Format: "application/pdf"
| Title | Date | Subject | Description | ||
|---|---|---|---|---|---|
| 1 |
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Virtual Radiometers for Parallel Architectures | 2012 | parallel architectures; virtual radiometers; a parallel ray tracing scheme; ray tracing algorithms; radiation; ray tracing; monte carlo; combustion; radiometer; parallel | Background: Parallelization of traditional ray tracing algorithms for radiation applications in participating media suffers from the large amount of inter-processor communication required to hand off rays between processors. As a result, strong scaling of these algorithms falls short of the required... |
| 2 |
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On solar thermal processing and retorting of oil shale | 1988-05 | The general concept and a recent paper on solar oil shale retorting are critically reviewed. It is concluded that a recent paper by Berber and Fletcher (Energy 13. 13, 1988) contains erroneously high oil yields and provides no new valid information related to solar oil shale process design or econom... | |
| 3 |
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Oil impregnated carbonate rocks of the Timpoweap Member Moenkopi Formation, Hurricane Cliffs area, Utah and Arizona | 1979 | Oil impregnated rocks; Hurricane Cliffs; Utah; Arizona; Timpoweap Member; Triassic Moenkopi Formation; Timpoweap Canyon; Hurricane, Utah | Oil impregnated rocks crop out at several localities near the Hurricane Cliffs in southwestern Utah and adjacent Arizona. The most significant petroliferous deposits occur in the Timpoweap Member of the Triassic Moenkopi Formation in Timpoweap Canyon and the Hurricane Cliffs south of Hurricane, Utah... |
| 4 |
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Oil and gas evolution kinetics for oil shale and petroleum source rocks determined from pyrolysis-TQMS data at multiple heating rates | 1991-11 | Evolution kinetics; Oil shale; Petroleum source rocks; Pyrolysis-TQMS data; Programmed-temperature pyrolysis; Triple-quadrupole mass spectrometry; Hydrous pyrolysis | Seven oil shales and petroleum source rocks were subjected to programmed-temperature pyrolysis at heating rates of 1 and 10 °C/min using triple-quadrupole mass spectrometry to monitor volatile compound evolution. Kinetic parameters were determined for evolution of hydrocarbons and various heteroato... |
| 5 |
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Oil and gas evolution kinetics for oil shale and petroleum source rocks determined from pyrolysis-TQMS data at two heating rates | 1992-04 | Volatile compound evolution; Oil shales; Petroleum source rocks; Programmed-temperature pyrolysis; Triple-quadrupole mass spectrometry; Hydrous pyrolysis | Seven oil shales and petroleum source rocks were subjected to programmedtemperature pyrolysis at heating rates of 1 and 10 °C/min using triple-quadrupole mass spectrometry to monitor volatile compound evolution. Kinetic parameters were determined for evolution of hydrocarbons and various heteroatom... |
| 6 |
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Investigation of coal char-slag transition during oxidation: Effect of temperature and residual carbon | 2009 | coal char; molten slag; bitumous coal; energy and fuels | The transition of coal char to molten slag at high conversion was studied for a bituminous coal using a laminar entrained-flow reactor under oxidizing conditions. Post-oxidized char particles were analyzed by various techniques including loss-on-ignition, gas adsorption analysis and scanning electro... |
| 7 |
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An overview of the Chinese UCG program | 2007-08-11 | Coal; China; Underground Coal Gasification; UCG; Two-stage gasification; Chinese UCG program; Energy | Coal is the dominant source of energy in China, but about 50% of the coal resource is left underground unmined. Because of this, the "long-tunnel, large section, two-stage" Underground Coal Gasification (UCG) technology has been put forward, and the UCG model platform has been built. Simulation test... |
| 8 |
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Delineation of gas sands by seismic stratigraphy in the Pericocal area, Orinoco Heavy Oil Belt, Venezuela | 1987 | gas sands; seismic stratigraphy; Pericocal area; Orinoco Heavy Oil Belt; deliniation of gas sands; gas sand bodies | The purpose of this study is to define the extent of gas sand bodies found in the Oficina Formation by well SDZ-79X, in the Pericocal area of the Orinoco Heavy Oil Belt. True amplitude processing was applied to 30 km (19 mi) of seismic survey lines in the vicinity of this well. The processing showed... |
| 9 |
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Analysis of oil shale and petroleum source rock pyrolysis by triple quadrupole mass spectrometry: Comparisons of gas evolution at the heating rate of 10 °C/min | 1990-10-05 | Kimmeridge; Phosphoria; La Luna; Teistberget; New Albany; Eastern U.S. Devonian; Janusfjellet; Wenzen; Maoming; Fushun; Woodford; Green River; Brotherson; Oil shale; Petroleum; Rock pyrolysis; Gas evolution; Programmed-temperature pyrolysis; Triple-quadrupole mass spectrometry; Mineral matrix; Miner... | Kimmeridge, Phosphoria, La Luna, Teistberget, New Albany, Janusfjellet, Wenzen, Maoming, Fushun, Woodford, and three Green River oil shales were subjected to programmed-temperature pyrolysis at a heating rate of 10 °C/min using triple-quadrupole mass spectrometry as the detection method. Volatile c... |
| 10 |
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Classification of natural bitumen: A physical and chemical approach | 1987 | natural bitumen; Classification of bitumen; physical properties of natural bitumen; chemical properties of natural bitumen; crude oil; natural bitumen; tar sands oil; bitumen | By correlation of various selected physical and chemical properties of heavy crude oils and natural bitumens, an attempt is made to solve classification problems. The criteria used here are, in descending order: viscosity, gravity, H/C atomic ratio, O/C atomic ratio, optical reflectivity; volatiles,... |
| 11 |
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California plio-miocene oils: Evidence of early generation | 1987 | plio-miocene oils; California oil; source rocks; commercial generation; LOM; hydrocarbon concentration; oil quality | Early generation of oil from Monterey and equivalent source rocks may well be the primary controlling factor on oil quality in the coastal basins of California. Commercial generation has occurred at reflectance levels as low as 0.3% R0. The wide range of chemical characteristics of these oils is com... |
| 12 |
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An echoing in-situ combustion oil recovery project in a Utah tar sand | 1982 | in-situ combustion; oil recovery project; Utah tar sand; echoing in-situ; U.S. tar sand resources; reverse combustion process; heterogeneous tar sand reservoir | U.S. tar sand resources contain an estimated 30 billion bbl (4.7 Gm3) of oil in place in about 550 occurrences in 22 states. Over 90% of the known resources are in six large deposits in Utah, each containing from 1 to 16 billion bbl (0.15 to 2.5 Gm3) of oil. 1 Four major tar sand deposits in Alberta... |
| 13 |
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Association of uranium and other metals with crude oil, asphalt, and petroliferous rock | 1954-10 | uranium; crude oil; asphalt; petroliferous rock | Some crude oil, natural asphalt, and petroliferous rock are appreciably radioactive, but little is known about the actual uranium content and the chemical nature of the uranium compound or compounds in these materials. Semiquantitative spectrographic analyses of the ash of 29 samples of crude oil, 2... |
| 14 |
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Diluent-assisted hot-water processing of tar sands | 1987 | hot water processing; tar sands; diluent-assisted hot-water processing; bitumen viscosity | The influence of diluent addition and temperature on bitumen viscosity of tar sands from nine locations in the U.S.A. and Canada has been investigated. Subsequently, hot-water bitumen-recovery experiments were carried out at temperatures from 33°C to 95°C. Kerosene was added as needed to maintain ... |
| 15 |
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Bitumen deposits of northwest Alabama | 1987 | bitumen deposits; northwest Alabama deposits; bituminous rocks | Bituminous rocks of Mississippian age crop out in northwest Alabama within a 113-km (70-mi) long belt. Bitumen deposits have been confirmed by coreholes to be present in the subsurface for a distance of at least 16-24 km (10-15 mi) south of the outcrop. Geochemical analyses indicate the bitumen to b... |
| 16 |
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Mechanism and kinetics of lead capture by kaolinite in a downflow combustor | 2000 | mechanism and kinetics; lead capture; kaolinite; downflow combustor; postflame reaction; lead vapor | An 18 kW, 6 m long, gas-fired downflow combustor was used to examine the postflame reaction between lead vapor and kaolinite. Since the focus of this work was to evaluate the reaction with lead vapor, samples were extracted at a temperature above the metal dew point. The sample was rapidly diluted w... |
| 17 |
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In-furnace capture of cadmium and other semi-volatile metals by sorbents | 2005 | in-furnace capture; cadmium capture; semi-volatile metals; sorbents; sorbent utilization | An 18 kW, cylindrical (inside diameter = 15-cm), 6-m high, laminar, downflow furnace was used to investigate the mechanisms governing reactive scavenging of cadmium vapors from combustion environments, by hydrated lime and kaolinite powder sorbents. Two major physical mechanisms dominate the reactio... |
| 18 |
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Parallelization of the P-1 radiation model | 2006 | parallelization; P-1 radiation model; radiative transport equation; LES; large-eddy simulations; RTE | The P-1 radiation model is spatially decomposed to solve the radiative transport equation on parallel computers. Mathematical libraries developed by third parties are employed to solve the linear systems that result during the solution procedure. Multigrid preconditioning accelerated the convergence... |
| 19 |
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Biofuels--snake oil for the twenty-first century | 2008-12-01 | Most Americans are painfully aware that our present consumption of petroleum is unsustainable. The United States has less than 5% of the world's population, but consumes 24.4% of the world's petroleum production. Only 8.5% of the world's petroleum production comes from American wells, which necessit... | |
| 20 |
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Nitric oxide destruction during coal and char oxidation under pulverized-coal combustion conditions | 2004 | nitric oxide destruction; coal and char oxidation; pulverized-coal combustion; particle distribution; conversion efficiency | A modified drop-tube reactor that allows particle distribution over the reactor cross-sectional area, and oxidation of chars produced in situ, was used to study the conversion efficiency of char nitrogen to nitric oxide (aNO). The results confirm previous findings by other investigators that aNO dec... |
| 21 |
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Taking another look at Utah's tar sand resources | 2009 | tar sand; tar sand resources; unconventional energy resource; alternate energy resource; oil impregnated sandstone; oil sand; bitumous sandstone; energy resource | Recent increases in the price of crude oil have sparked renewed interest in unconventional energy resources, including Utah s tar sands. Tar sands (also called oil-impregnated sandstones, oil sands, and bituminous sandstones) are, as the names imply, sandstones that are saturated or filled with blac... |
| 22 |
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On the relevance of surface growth in soot formation in premixed flames | 2000 | surface growth; soot formation; premixed flames; surface growth mechanisims; particle mass accumulation | The role of surface growth mechanisms in particle mass accumulation was investigated in rich, premixed, ethylene/air flames from non-sooting to moderately sooting conditions using in situ optical diagnostics and predictions from a detailed chemical kinetic model. Particles formed just after the flam... |
| 23 |
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Vaporization of arsenic, selenium and antimony during coal combustion | 2001 | coal-fired power; arsenic; selenium; antimony; coal combustion; ubmicron particles; vaporization during coal combustion | Accumulation of toxic trace elements generated by coal-fired power stations presents a serious threat to the environment. Field testing and laboratory studies have revealed the existence of trace elements in submicron particles emitted from power stations. Arsenic, selenium, and antimony are present... |
| 24 |
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The partitioning of arsenic during pulverized coal combustion | 2000 | arsenic partitioning; arsenic; pulverized coal combustion; coal-fired electric utility; coal; arsenic volatilization; volatilized arsenic. | An important issue facing the coal-fired electric utility industry is the environmental impact resulting from the release of arsenic contained in the coal. Depending on the forms of occurrence in the coal and transformation mechanism involved, arsenic-containing compounds may exit the furnace in the... |
| 25 |
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The fate of char-N at pulverized coal conditions | 2003 | char-N; pulverized coal conditions; pulverized coal; coal char. | The fate of char-N (nitrogen removed from the coal matrix during char oxidation) has been widely studied at fluidized bed conditions. This work extends the study of char-N to pulverized coal conditions. Coal chars from five parent coals were prepared and burned in a laboratory-scale pulverized coal ... |