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04868 Purification of gases from coal gasification
04
By-products
related to fuels
96104658 Geological survey of Canada coalbed methane research Kalkreuth, W. et al, Coal Sci. Technol., 1995, 1, 31-34. Presents some results from research in coalbed methane resources, carried out by the Geological Survey of Canada, including calculation of gas capacity curves, coal charcterization, coal seam micropermeability, and a three-dimensional computer modelling of the Medicine River Coal Zone in a 45 X 50 km area of central Alberta. H drochemical and hydrogeological lnvesti $1;; 96104859 of a potentia Y coalbed methane area, southeastern B Columbia Harrison, S. M. et al., Cum Res.-Geol. Surv. Can., 1995, 117-120. Field sampling and inorganic and organic chemical and isotopic analyses of surface and subsurface waters in the Elk River and Fording River valleys have been carried out as part of a hydrochemical and hydrogeological examination of potential coalbed methane development in southeastern British Columbia. 96104860 Hydrogen production methods Yurum, Y. NATO ASI Ser., Ser. E, 1995, (295), 15-30. The paper discusses the technology and economics of hydrogen production by advanced processes. The advanced processes include high-temperature electrolysis of steam, coal gasification and electrochemical shift, integrated coal gasification and high temperature electrolysis, thermal cracking of natural gas and the HYDROCARB thermal conversion of coal. The highenergy radiation, lasma and solar photovoltaic H, electrolysis production of hydrogen are &cussed. ion-exchanged calcium from calcium carbonate 96104861 and low-rank coals: High catalytic activity in steam gasification Ohtsuka. Y. and Asami. K. Enerm Fuels. 1996. 10. (2). 431-435. Interact&s between Ca’CO, and lo;-rank coals wkre ;x‘a&ined, and steam gasification of the resulting Ca-loaded coals was carried out at 973 K with a thermobalance. CaCO, can react readily with surface COOH groups to form ion-exchanged Ca and CO, when mixed with brown coal in water at room temperature. 96104862 Kinetics of low temperature combustion of microporous carbon: A fractal approach Gordeeva, L. G. et al., Coal Sci. Technol., 1995, 24, (l), 511-514. Presents a study of gasification kinetics of a synthetic coal, Sibunit, in oxygen at 480-550°C to determine the role of carbon morphology. TEM micrography image analysis SAXS and nitrogen adsorptionidesorption isotherms were used for combined study of the carbon fractal texture at different conversion degrees. 96104863 Low temperature liquefaction of coal with simulated coke oven gas Yamaguchi, H. er al., Coal Sci. Technol., 1995, 24, (2), 1395-1398. Examines coal liquefaction using a simulated coke-oven gas as a hydrogen-containing reactant for Taiheyo coal at 380-440° in the presence of creosote oil arid recycle solvent, and red mud-sulphur mixtures-as catalyst. 96104864 Manufacture of synthesis gas by coal gasification with recycling of recovered byproducts Adlhoch, W. H. et al., (Assinned 10) Rheinbraun AC, GER. DE.4,407,651, _ Oct. 1995. Parameters of methane emissions from coal in a 96104865 working stope Sheiman, E. M. ef al., Bezop. Tr. Prom-sfi., 1995, (9), 36-38. Mathematical formulas are given for calculating methane emissions from coal based on the gas dynamics parameters of the formation. 96104866 Pilot installation for coal gasification bed TFR-300. Part 2. Main results of the experiment Batenin, V. M. ef al., Teploenergefika (Moscow), 1995, Russian) To characterize a oilor-scale installation for the gasification in a circulating fliidized bed, the installation w’as operated The longitudinal distributions of pressure and temperature and the composition of the product gas were measured. This sion of 92% (based on combustible matter) and a gasification 68% (based on cold gas).
in fluidized (8), 44-50. (In of brown coal for 48 hours. in the reactor gave a converefficiency of
96104867 Potential for coal-derived gaseous hydrocarbons in the Middle Benue Trough of Nigeria Obaje, N. G. and Abaa, S. I. J. Per. Geol., 1996, 19, (I), 77-94. About 6,000 m of alternating marine, paralic, and continental sediments of Cretaceous to Tertiary ages are present in the Benue Trough. Conspicuous amongst these are coal-bearing strata, of which those in the Middle Benue Trough have attained a high- to medium-volatile bituminous rank. Coal beds are now known to be major sources of associated and non-associated gases, and increasingly are becoming exploration targets in many parts of the World.
344
Fuel and Energy
Abstracts
September
1996
96104868 Purification of gases from coal gasification Komuro, T. er al., (Assigned to) Hitachi Ltd., Japan, JAP. Pat. JP.O8,41,467, Feb. 1996. 96104669 Reactlon of hydrogen sulfide with limestone particles Lin, S. Y. et al., Coal Sci. Tech&, 1995, 24, (2), 1891-1894. The paper discusses the sulphidization reaction of injected limestone into the gasification zone of a coal gasifier for in-situ H,S removal from crude fuel gases. The su erior H S reactivity and final capacity of calcined limestone over those o P crushe d, hmestone were attributed to its higher porosity and larger specific surface area. 96104870 Recovery and utilization of coal seam gas. Impetus by the German hard coal mining industry Schneider, T. and Preusse, A. Erdoel, Erdgas, Kohle, 1995, 111, (12), 515-519. (In German) Describes the current utilization of seam gas in Germany which ranges from chemical feedstock to different kinds of heat and power generation. 96104871 Recovery of coal-bed gas Prokoo. P. and Dranon. V. Uhli-Rudv-Geol. Pruzkum.. 1995.,.~,, 2. (10). 306-387. (In Czech)Discusses recovery and processing of methane from mining regions and decreasing of air pollution by methane. 96104872 Simulating a mine drainage gas field Wagner, C. GA2 d’aujourd’hui, 1996, 120, (5), 223-226. (In French) The article takes up the main points of a successfully defended masters thesis on gas engineering by the same author. The paper aimed to determine the factors that must be taken into account to simulate a gas field on the site of a former coal mine in northern France. 96104873 Stimulation of coal bed methane production using aqueous acid solution containing amphoteric tertiary ammonium compound Williams, D. A. ef al., (Assigned 10) Exxon Chemical Parents Inc., US Par. US 5,470,823, Nov. 1995. 96104874 Symposium on synthesis gas chemistry: An introduction Wender, 1. and Davis, B. H. Energy Fuels, 1996, 10, (3), o. 519. An introduction to a symposium on Homogeneous and he&ogeneous catalysts in synthesis gas utilization, presented at the 209th National Meeting of the American Chemical Society, Anaheim, California, 4-5 April 1995. The dominant interest in the symposium was the Fischer-Tropsch synthesis or for the production of MeOH and higher alcohols. 96104875 Syngas production process by pressure gasification of coal-water slurry in Texaco gasifier and NHD gas puriflcation. Part 1 Han, B. and Zeng, 0. Huafei Gongye, 1995, 22, (l), 11-14. (In Chinese) 96104676 Underground coal gasification in abandoned mines Blinderman, M. S. Coal Sci. Technol., 1995, 24, (l), 739-742. Discusses a method of underground coal gasification to utilize coal reserves of abandoned mines. 96104877 Underground coal gasification with heat recuperation Blinderman, M. S. Coal Sci. Technol., 1995, 24, (l), 743-746. Describes a process of underground coal gasification with heat recuperation. The results of field tests as well as techniques for selection of optimal process parameters are discussed. 96104878 Understanding coal gasification Kristiansen, A. IEA Coal Research, -Gemini House, IO-18 Putney Hill, London SW15 6AA, IEACRI 86, f300. (non-member countries) fIO0. (member countries), Mar. 1996.
04
BY-PRODUCTSRELATEDTO FUELS
96104879 ‘H NMR and FTIR spectrosco y studies of bitumen and shale oil from selected Spanish oil s Rales Borrego, A. G. er al., Energy Fuels, 1996, 10, (I), 77-84. Bitumen and shale oils from selected Spanish oil shales that differ in ,geological aqe, depositional envi,ronment, and source location were studies by solution H-NMR and Fourier-transform IR (FTIR) spectroscopy. Both bitumens and shale oils are dominated bv alinhatic moieties as are tvoicallv found in kerogens derived from algal&cte;ial materials. Several p&am;ters calculated from the ‘H-NMR and FTIR spectra provided usefu1 information about the maturity of the oil shales in terms of relative aliphatic. aromatic, and carbonlicarboxyl concentrations, aliphatic chain lengih, and type and degree of substitution of aromatic structures.
By-products
related to fuels
96104658 Geological survey of Canada coalbed methane research Kalkreuth, W. et al, Coal Sci. Technol., 1995, 1, 31-34. Presents some results from research in coalbed methane resources, carried out by the Geological Survey of Canada, including calculation of gas capacity curves, coal charcterization, coal seam micropermeability, and a three-dimensional computer modelling of the Medicine River Coal Zone in a 45 X 50 km area of central Alberta. H drochemical and hydrogeological lnvesti $1;; 96104859 of a potentia Y coalbed methane area, southeastern B Columbia Harrison, S. M. et al., Cum Res.-Geol. Surv. Can., 1995, 117-120. Field sampling and inorganic and organic chemical and isotopic analyses of surface and subsurface waters in the Elk River and Fording River valleys have been carried out as part of a hydrochemical and hydrogeological examination of potential coalbed methane development in southeastern British Columbia. 96104860 Hydrogen production methods Yurum, Y. NATO ASI Ser., Ser. E, 1995, (295), 15-30. The paper discusses the technology and economics of hydrogen production by advanced processes. The advanced processes include high-temperature electrolysis of steam, coal gasification and electrochemical shift, integrated coal gasification and high temperature electrolysis, thermal cracking of natural gas and the HYDROCARB thermal conversion of coal. The highenergy radiation, lasma and solar photovoltaic H, electrolysis production of hydrogen are &cussed. ion-exchanged calcium from calcium carbonate 96104861 and low-rank coals: High catalytic activity in steam gasification Ohtsuka. Y. and Asami. K. Enerm Fuels. 1996. 10. (2). 431-435. Interact&s between Ca’CO, and lo;-rank coals wkre ;x‘a&ined, and steam gasification of the resulting Ca-loaded coals was carried out at 973 K with a thermobalance. CaCO, can react readily with surface COOH groups to form ion-exchanged Ca and CO, when mixed with brown coal in water at room temperature. 96104862 Kinetics of low temperature combustion of microporous carbon: A fractal approach Gordeeva, L. G. et al., Coal Sci. Technol., 1995, 24, (l), 511-514. Presents a study of gasification kinetics of a synthetic coal, Sibunit, in oxygen at 480-550°C to determine the role of carbon morphology. TEM micrography image analysis SAXS and nitrogen adsorptionidesorption isotherms were used for combined study of the carbon fractal texture at different conversion degrees. 96104863 Low temperature liquefaction of coal with simulated coke oven gas Yamaguchi, H. er al., Coal Sci. Technol., 1995, 24, (2), 1395-1398. Examines coal liquefaction using a simulated coke-oven gas as a hydrogen-containing reactant for Taiheyo coal at 380-440° in the presence of creosote oil arid recycle solvent, and red mud-sulphur mixtures-as catalyst. 96104864 Manufacture of synthesis gas by coal gasification with recycling of recovered byproducts Adlhoch, W. H. et al., (Assinned 10) Rheinbraun AC, GER. DE.4,407,651, _ Oct. 1995. Parameters of methane emissions from coal in a 96104865 working stope Sheiman, E. M. ef al., Bezop. Tr. Prom-sfi., 1995, (9), 36-38. Mathematical formulas are given for calculating methane emissions from coal based on the gas dynamics parameters of the formation. 96104866 Pilot installation for coal gasification bed TFR-300. Part 2. Main results of the experiment Batenin, V. M. ef al., Teploenergefika (Moscow), 1995, Russian) To characterize a oilor-scale installation for the gasification in a circulating fliidized bed, the installation w’as operated The longitudinal distributions of pressure and temperature and the composition of the product gas were measured. This sion of 92% (based on combustible matter) and a gasification 68% (based on cold gas).
in fluidized (8), 44-50. (In of brown coal for 48 hours. in the reactor gave a converefficiency of
96104867 Potential for coal-derived gaseous hydrocarbons in the Middle Benue Trough of Nigeria Obaje, N. G. and Abaa, S. I. J. Per. Geol., 1996, 19, (I), 77-94. About 6,000 m of alternating marine, paralic, and continental sediments of Cretaceous to Tertiary ages are present in the Benue Trough. Conspicuous amongst these are coal-bearing strata, of which those in the Middle Benue Trough have attained a high- to medium-volatile bituminous rank. Coal beds are now known to be major sources of associated and non-associated gases, and increasingly are becoming exploration targets in many parts of the World.
344
Fuel and Energy
Abstracts
September
1996
96104868 Purification of gases from coal gasification Komuro, T. er al., (Assigned to) Hitachi Ltd., Japan, JAP. Pat. JP.O8,41,467, Feb. 1996. 96104669 Reactlon of hydrogen sulfide with limestone particles Lin, S. Y. et al., Coal Sci. Tech&, 1995, 24, (2), 1891-1894. The paper discusses the sulphidization reaction of injected limestone into the gasification zone of a coal gasifier for in-situ H,S removal from crude fuel gases. The su erior H S reactivity and final capacity of calcined limestone over those o P crushe d, hmestone were attributed to its higher porosity and larger specific surface area. 96104870 Recovery and utilization of coal seam gas. Impetus by the German hard coal mining industry Schneider, T. and Preusse, A. Erdoel, Erdgas, Kohle, 1995, 111, (12), 515-519. (In German) Describes the current utilization of seam gas in Germany which ranges from chemical feedstock to different kinds of heat and power generation. 96104871 Recovery of coal-bed gas Prokoo. P. and Dranon. V. Uhli-Rudv-Geol. Pruzkum.. 1995.,.~,, 2. (10). 306-387. (In Czech)Discusses recovery and processing of methane from mining regions and decreasing of air pollution by methane. 96104872 Simulating a mine drainage gas field Wagner, C. GA2 d’aujourd’hui, 1996, 120, (5), 223-226. (In French) The article takes up the main points of a successfully defended masters thesis on gas engineering by the same author. The paper aimed to determine the factors that must be taken into account to simulate a gas field on the site of a former coal mine in northern France. 96104873 Stimulation of coal bed methane production using aqueous acid solution containing amphoteric tertiary ammonium compound Williams, D. A. ef al., (Assigned 10) Exxon Chemical Parents Inc., US Par. US 5,470,823, Nov. 1995. 96104874 Symposium on synthesis gas chemistry: An introduction Wender, 1. and Davis, B. H. Energy Fuels, 1996, 10, (3), o. 519. An introduction to a symposium on Homogeneous and he&ogeneous catalysts in synthesis gas utilization, presented at the 209th National Meeting of the American Chemical Society, Anaheim, California, 4-5 April 1995. The dominant interest in the symposium was the Fischer-Tropsch synthesis or for the production of MeOH and higher alcohols. 96104875 Syngas production process by pressure gasification of coal-water slurry in Texaco gasifier and NHD gas puriflcation. Part 1 Han, B. and Zeng, 0. Huafei Gongye, 1995, 22, (l), 11-14. (In Chinese) 96104676 Underground coal gasification in abandoned mines Blinderman, M. S. Coal Sci. Technol., 1995, 24, (l), 739-742. Discusses a method of underground coal gasification to utilize coal reserves of abandoned mines. 96104877 Underground coal gasification with heat recuperation Blinderman, M. S. Coal Sci. Technol., 1995, 24, (l), 743-746. Describes a process of underground coal gasification with heat recuperation. The results of field tests as well as techniques for selection of optimal process parameters are discussed. 96104878 Understanding coal gasification Kristiansen, A. IEA Coal Research, -Gemini House, IO-18 Putney Hill, London SW15 6AA, IEACRI 86, f300. (non-member countries) fIO0. (member countries), Mar. 1996.
04
BY-PRODUCTSRELATEDTO FUELS
96104879 ‘H NMR and FTIR spectrosco y studies of bitumen and shale oil from selected Spanish oil s Rales Borrego, A. G. er al., Energy Fuels, 1996, 10, (I), 77-84. Bitumen and shale oils from selected Spanish oil shales that differ in ,geological aqe, depositional envi,ronment, and source location were studies by solution H-NMR and Fourier-transform IR (FTIR) spectroscopy. Both bitumens and shale oils are dominated bv alinhatic moieties as are tvoicallv found in kerogens derived from algal&cte;ial materials. Several p&am;ters calculated from the ‘H-NMR and FTIR spectra provided usefu1 information about the maturity of the oil shales in terms of relative aliphatic. aromatic, and carbonlicarboxyl concentrations, aliphatic chain lengih, and type and degree of substitution of aromatic structures.