Production of elemental sulfur and methane from H{sub 2}S and CO{sub 2} derived from a coal desulfurization process. Quarterly technical progress report, April, 1995--June 30, 1995

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During the seventh quarter of the project, further simulations were performed to investigate the feasibility of producing elemental sulfur and methane from hydrogen sulfide and carbon dioxide by using the overall reaction of H{sub 2}S and CO{sub 2} based on the following stoichiometry: 4H{sub 2}S + CO{sub 2} {l_equilibrium} 2S{sub 2} + CH{sub 4} + 2H{sub 2}O. The results indicate that the number of stages needed to reach the final system equilibrium for recovering sulfur can be greatly affected by the factor of sulfur vapor pressure. Sulfur vapor pressure versus the system temperature follows a logarithmic relationship. The H{sub 2}S ... continued below

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12 p.

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Jiang, X. & Khang, S-J December 31, 1995.

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Description

During the seventh quarter of the project, further simulations were performed to investigate the feasibility of producing elemental sulfur and methane from hydrogen sulfide and carbon dioxide by using the overall reaction of H{sub 2}S and CO{sub 2} based on the following stoichiometry: 4H{sub 2}S + CO{sub 2} {l_equilibrium} 2S{sub 2} + CH{sub 4} + 2H{sub 2}O. The results indicate that the number of stages needed to reach the final system equilibrium for recovering sulfur can be greatly affected by the factor of sulfur vapor pressure. Sulfur vapor pressure versus the system temperature follows a logarithmic relationship. The H{sub 2}S conversion and sulfur yield do not increase proportionally with the number of stages. The simulation indicates that a multiple stage system is more effective at a high reaction temperature range in raising the H{sub 2}S conversion and sulfur yield.

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12 p.

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OSTI as DE96010960

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  • Other Information: PBD: [1995]

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  • Other: DE96010960
  • Report No.: DOE/PC/93220--T9
  • Grant Number: FG22-93PC93220
  • DOI: 10.2172/231315 | External Link
  • Office of Scientific & Technical Information Report Number: 231315
  • Archival Resource Key: ark:/67531/metadc671236

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Office of Scientific & Technical Information Technical Reports

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  • December 31, 1995

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  • June 29, 2015, 9:42 p.m.

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  • Nov. 24, 2015, 8:02 p.m.

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Jiang, X. & Khang, S-J. Production of elemental sulfur and methane from H{sub 2}S and CO{sub 2} derived from a coal desulfurization process. Quarterly technical progress report, April, 1995--June 30, 1995, report, December 31, 1995; United States. (digital.library.unt.edu/ark:/67531/metadc671236/: accessed November 22, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.