KINETICS OF HOT-GAS DESULFURIZATION SORBENTS FOR TRANSPORT REACTORS

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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 elevated temperatures. Various metal oxide sorbents are formulated with metal oxides such as Fe, Co, Zn, and Ti. Initial reaction kinetics of formulated sorbents with hydrogen sulfide is studied in the presence of various amounts of moisture and hydrogen at various reaction temperatures. The objectives of this research are to study initial reaction kinetics for a sorbent-hydrogen sulfide heterogeneous reaction system, to investigate effects of concentrations of hydrogen sulfide, hydrogen, and moisture on ... continued below

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Kwon, K.C. January 1, 2002.

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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 elevated temperatures. Various metal oxide sorbents are formulated with metal oxides such as Fe, Co, Zn, and Ti. Initial reaction kinetics of formulated sorbents with hydrogen sulfide is studied in the presence of various amounts of moisture and hydrogen at various reaction temperatures. The objectives of this research are to study initial reaction kinetics for a sorbent-hydrogen sulfide heterogeneous reaction system, to investigate effects of concentrations of hydrogen sulfide, hydrogen, and moisture on dynamic absorption of H{sub 2}S into sorbents, and to evaluate effects of temperature and sorbent amounts on dynamic absorption of H{sub 2}S into sorbents. Experimental data on initial reaction kinetics of hydrogen sulfide with metal oxide sorbents were obtained with a 0.83-cm{sup 3} differential reactor. The reactivity of MCRH-67 was examined in this report. This sorbent was obtained from the Research Triangle Institute (RTI). The sorbent in the form of 130 mm particles are reacted with 18000-ppm hydrogen sulfide at 350-525 C. The range of space time of reaction gas mixtures is 0.069-0.088 s. The range of reaction duration is 4-180 s.

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OSTI as DE00792046

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  • Other Information: PBD: 1 Jan 2002

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  • Report No.: FG26-98FT40145--04
  • Grant Number: FG26-98FT40145
  • DOI: 10.2172/792046 | External Link
  • Office of Scientific & Technical Information Report Number: 792046
  • Archival Resource Key: ark:/67531/metadc741471

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  • January 1, 2002

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  • Oct. 19, 2015, 7:39 p.m.

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  • March 25, 2016, 12:05 p.m.

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Kwon, K.C. KINETICS OF HOT-GAS DESULFURIZATION SORBENTS FOR TRANSPORT REACTORS, report, January 1, 2002; Pittsburgh, Pennsylvania. (digital.library.unt.edu/ark:/67531/metadc741471/: accessed October 21, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.