Production of elemental sulfur and methane from H{sub 2}S and CO{sub 2} derived from a coal desulfurization process. Final report, September 1, 1993--March 31, 1997

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The purpose of this study was to experimentally and theoretically investigate the feasibility of producing elemental sulfur, carbon monoxide, hydrogen and possible methane from hydrogen sulfide and carbon dioxide through catalytic reactions. A novel experimental system that could evaluate potential catalysts and adsorbents under controlled laboratory conditions was designed and constructed. Additionally an effective simulation program capable of providing valuable thermodynamic information on the reaction system was compiled. The following tasks have been performed: (1) design and construction of an experimental system for the catalyst preparation and catalyst screening studies including frequent modifications of the experimental setup to meet specific ... continued below

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[250] p.

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Jiang, X.; Khang, S.J. & Keener, T.C. December 31, 1997.

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Description

The purpose of this study was to experimentally and theoretically investigate the feasibility of producing elemental sulfur, carbon monoxide, hydrogen and possible methane from hydrogen sulfide and carbon dioxide through catalytic reactions. A novel experimental system that could evaluate potential catalysts and adsorbents under controlled laboratory conditions was designed and constructed. Additionally an effective simulation program capable of providing valuable thermodynamic information on the reaction system was compiled. The following tasks have been performed: (1) design and construction of an experimental system for the catalyst preparation and catalyst screening studies including frequent modifications of the experimental setup to meet specific application needs; (2) installation and calibration of related analytical instruments, and investigation of the temperature distribution profile inside the reactor; (3) preparation, reduction, sulfidation of potential catalysts, and measurements of specific surface area of catalysts; (4) decomposition of H{sub 2}S under both non-catalytic condition and catalytic condition with the CoO-MoO{sub 3}-alumina catalyst at moderate temperatures around 550 C. Analyses of the product gas by gas chromatograph; and (5) thermodynamic studies on the theoretical conversions of H{sub 2}S for various temperatures, pressures and ratios of H{sub 2}S to CO{sub 2}. Based on the results of the above tasks, bench scale experiments were performed with the CoO-MoO{sub 3}-alumina catalyst at moderate temperatures around 550 C to investigate the adsorption effects of solid sorbents in order to remove sulfur from the reaction environment. Four kinds of adsorbents have been tested along with several designs of solid adsorbent feed systems.

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[250] p.

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OSTI as DE98058019

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  • Other Information: PBD: [1997]

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  • Other: DE98058019
  • Report No.: DOE/PC/93220--0
  • Grant Number: FG22-93PC93220
  • DOI: 10.2172/665883 | External Link
  • Office of Scientific & Technical Information Report Number: 665883
  • Archival Resource Key: ark:/67531/metadc707260

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  • December 31, 1997

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  • Sept. 12, 2015, 6:31 a.m.

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  • Nov. 10, 2015, 9:20 p.m.

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Jiang, X.; Khang, S.J. & Keener, T.C. Production of elemental sulfur and methane from H{sub 2}S and CO{sub 2} derived from a coal desulfurization process. Final report, September 1, 1993--March 31, 1997, report, December 31, 1997; United States. (digital.library.unt.edu/ark:/67531/metadc707260/: accessed July 18, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.