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Filters: Publication Type: "journal article" Collection: "ir_eua" Format: "application/pdf" Type: "Text"
| Title | Date | Subject | Description | ||
|---|---|---|---|---|---|
| 1 |
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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... |
| 2 |
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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... |
| 3 |
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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... |
| 4 |
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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... |
| 5 |
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Experimental and modeling study of particulate formation in high-pressure diesel-like conditions | 2000 | particulate formation; high-pressure diesel-like conditions; diesel combustion process; tailpipe particulate emissions | The diesel combustion process has been characterized by combined measurements of flame intensity and extinction in the UV-visible range in an optically accessible divided-chamber diesel engine at different air/fuel ratios and constant engine speed, using n-heptane and commercial diesel oil as fuels.... |
| 6 |
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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... |
| 7 |
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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... |
| 8 |
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Field guide to lacustrine and related nonmarine depositional environments in tertiary rocks, Uinta Basin, Utah | 1976-11 | lacustrine environments; nonmarine depositional environments; tertiary rocks | The lower part of the Tertiary System in the Uinta Basin of northeastern Utah and northwestern Colorado (fig. 1) reflects a series of very complex and variable forms of continental sedimentation in a basin of internal drainage. These complex forms represent the disruption of the Cretaceous depositio... |
| 9 |
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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... | |
| 10 |
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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... |
| 11 |
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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... |
| 12 |
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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... | |
| 13 |
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Importance of bitumen viscosity in the hot water processing of domestic tar sands | 1983 | bitumen viscosity; hot water processing; domestic tar sands; bitumen recovery | The separation efficiency of the hot water digestionflotation technique used for bitumen recovery from various domestic tar sands was evaluated. Bitumen viscosity was found to be the most important tar sand property in determining the success of the bitumen separation. Bitumen viscosity of the tar s... |
| 14 |
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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... |
| 15 |
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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... |
| 16 |
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Green River Formation at Raven Ridge, Uintah County, Utah | 1965-07 | Green River formation; Raven Ridge; sandstone beds; shale; limestone; marlstone; oil-bearing strata | Along Raven Ridge in Uintah County, Utah, exposures of the Green River Formation contain a complex sequence of intertonguing beds of sandstone, shale, limestone, and marlstone. These strata are considered to represent deposition in an orderly sequence of environments from the flood plain through the... |
| 17 |
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High-temperature interactions between multiple-metals and kaolinite | 2002 | high-temperature interactions; multiple-metals; kaolinite | High-temperature combustion flue gases provided the environments for this investigation of multiple-metals interactions with dispersed kaolinite. Whereas previous research was restricted to interactions of single-metals with kaolinite powders, this work focuses on understanding how kaolinite transfo... |
| 18 |
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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... |
| 19 |
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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... |
| 20 |
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FT-IR and 1H NMR characterization of the products of an ethylene inverse diffusion flame | 2006 | ethylene inverse diffusion flame products; analysis of the chemical functional groups; FT-IR and 1H NMR | Knowledge of the chemical structure of young soot and its precursors is very useful in the understanding of the paths leading to soot particle inception. This paper presents analyses of the chemical functional groups, based on FT-IR and 1H NMR spectroscopy of the products obtained in an ethylene inv... |
| 21 |
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Geology of the Mill Fork Area, Utah | 1972-12 | geology; Mill Fork area; geologic structure; Green River formation | The Mill Fork area comprises about 70 square miles of Cretaceous ( ? ) and Tertiary sediments at the northern end of the Wasatch Plateau in Utah County, Utah. Over 9000 feet of nonmarine sediments are present and belong to the North Horn, Flagstaff, and Green River formations. These sediments record... |
| 22 |
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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... |
| 23 |
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Heavy-oil and bitumen projects in Madagascar | 1987 | heavy oil; bitumen; Madagascar; Bemolanga tar sand; Tsimiroro heavy crude oil; mining and bitumen-separation operation | Madagascar contains two important deposits, the Bemolanga tar sand and the Tsimiroro heavy crude oil. Although known for years, they have received intensive investigation recently in effort to achieve a measure of energy independence in the face of rising oil costs and dollar-exchange values. The ai... |
| 24 |
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Heavy oil production operations in Potiguar Basin, Brazil | 1987 | heavy oil production operations; heavy oil; Portiguar Basin; oil fields; oil | The Potiguar basin is located on the northeastern Brazilian coast and comprises an onshore portion with 21,500 km2 (8300 mi2) and its offshore extension (Fig. 1). In the last 4 years, many oil fields have been discovered in the onshore portion, where today's production reaches 20,000 bbl/d. The oil ... |
| 25 |
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Geology and geochemistry of Santa Rosa tar sands | 1987-11-02 | Santa Rosa tar sands; tar sands; heavy oil deposits; Triassic Santa Rosa Sandstone | Heavy oil deposits 11 km (7 mi) north of the town of Santa Rosa, Guadalupe County, New Mexico, in the Triassic Santa Rosa Sandstone, were mined during the 1930s. Renewed interest in this deposit in the late 1970s so far has not resulted in exploitation because of unfavorable economics and the encroa... |