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Filters: Research Institute: "Institute for Clean and Secure Energy (ICSE)" Publication Type: "journal article" Collection: ir_eua
| Title | Date | Subject | Description | ||
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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... |
| 2 |
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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... |
| 3 |
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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... |
| 4 |
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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... |
| 5 |
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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... | |
| 6 |
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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... |
| 7 |
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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... |
| 8 |
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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,... |
| 9 |
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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... |
| 10 |
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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 ... |
| 11 |
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Effect of ethanol on the chemical structure of the soot extractable material of an ethylene inverse diffusion flame | 2007 | Soot extractable material; Ethylene inversion diffusion flame; Aromatic fused rings; Neat flame; Chloroform-extractable material; Aliphatic component; Incomplete combustion; Fossil fuels; Ethanol; Soot; Emission; Soot particles; Polyaromatic hydrocarbons; Potential carcinogen | The effect of fuel-side ethanol addition on the chemical structure of the soot extractable material generated in an ethylene inverse diffusion flame was evaluated by means of average structural parameters. The results indicate that the ethanol effect on the aromatic components was more pronounced, w... |
| 12 |
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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 ... |
| 13 |
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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... |
| 14 |
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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... |
| 15 |
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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... |
| 16 |
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Modeling the rich combustion of aliphatic hydrocarbons | 2000 | rich combustion; aliphatic hydrocarbons; kinetic mechanism; benzene formation; high-molecular-mass aromatic compounds | A new kinetic mechanism has been developed for the formation of benzene and high-molecular-mass aromatic compounds in rich flames of aliphatic hydrocarbons. The kinetic scheme emphasizes both the role of resonantly stabilized radicals in the growth of aromatics and the standard acetylene addition me... |
| 17 |
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Modeling the vaporization of ash constituents in a coal-fired boiler | 2000 | vaporization of ash constituents; coal-fired boiler; minimizing harmful emissions; vaporization | Emissions of fine particulate and trace toxic metals are being subjected to increasing regulation. This paper addresses how the emission of these compounds can be influenced by changes in combustion conditions, particularly those selected to minimize NOx emissions. The vaporization and condensation ... |
| 18 |
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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... |
| 19 |
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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... |
| 20 |
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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... |
| 21 |
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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... |
| 22 |
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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... | |
| 23 |
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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... |
| 24 |
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On trimodal particle size distributions in fly ash from pulverized-coal combustion | 2002 | trimordal particle size distributions; fly ash; pulverized-coal combustion; fine particles; PM | Combustion-generated fine particles, defined as those with aerodynamic diameters less than 2.5 lm, have come under increased regulatory scrutiny because of suspected links to adverse human health effects. Whereas classical theories regarding coal combustion suggest that mechanisms of ash vaporizatio... |
| 25 |
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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... |