Investigation on durability and reactivity of promising metal oxide sorbents during sulfidation and regeneration. Quarterly report, April 1--June 30, 1996

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Hot-gas desulfurization for the integrated gasification combined cycle (IGCC) process has been investigated by many researchers to remove effectively hydrogen sulfide with various metal oxide sorbents at high pressures and high temperatures. Metal oxides such as zinc titanate oxides, zinc ferrite oxide, copper oxide, manganese oxide and calcium oxide, were found to be promising sorbents in comparison with other removal methods such as membrane separations and reactive membrane separations. Some metal oxide sorbents exhibited the quite favorable performance in terms of attrition resistance and sulfur capacity. Removal reaction of H{sub 2}S from coal gas mixtures with promising sorbents of fine ... continued below

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19 p.

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Creator: Unknown. December 31, 1996.

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Description

Hot-gas desulfurization for the integrated gasification combined cycle (IGCC) process has been investigated by many researchers to remove effectively hydrogen sulfide with various metal oxide sorbents at high pressures and high temperatures. Metal oxides such as zinc titanate oxides, zinc ferrite oxide, copper oxide, manganese oxide and calcium oxide, were found to be promising sorbents in comparison with other removal methods such as membrane separations and reactive membrane separations. Some metal oxide sorbents exhibited the quite favorable performance in terms of attrition resistance and sulfur capacity. Removal reaction of H{sub 2}S from coal gas mixtures with promising sorbents of fine solid was carried on in a batch reactor. The objectives of this research project are to formulate promising durable metal oxide sorbents for the removal of sulfur compounds from coal gas mixtures, to find intrinsic initial reaction kinetics for a sorbent-hydrogen sulfide heterogeneous reaction system, to obtain effects of concentrations of coal gas components such as hydrogen and moisture on equilibrium absorption as well as dynamic absorption of hydrogen sulfide into formulated sorbents for the reaction system at various reaction temperatures and pressures, and to obtain effects of concentrations of coal gas components such as hydrogen and moisture on reaction rates of hydrogen sulfide with formulated sorbents at various reaction temperatures and pressures.

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19 p.

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OSTI as DE97051713

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  • Other Information: PBD: 1996

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  • Other: DE97051713
  • Report No.: DOE/MC/31206--5362
  • Grant Number: FG21-94MC31206
  • DOI: 10.2172/465320 | External Link
  • Office of Scientific & Technical Information Report Number: 465320
  • Archival Resource Key: ark:/67531/metadc683549

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  • December 31, 1996

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  • July 25, 2015, 2:21 a.m.

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  • Nov. 10, 2015, 9:03 p.m.

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Investigation on durability and reactivity of promising metal oxide sorbents during sulfidation and regeneration. Quarterly report, April 1--June 30, 1996, report, December 31, 1996; United States. (digital.library.unt.edu/ark:/67531/metadc683549/: accessed October 21, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.