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题名: Effect investigation of ZnO additive on Mn-Fe/gamma-Al2O3 sorbents for hot gas desulfurization
作者: Zhang, JC;  Wang, YH;  Wu, DY
关键词: high temperature desulfurization ;  sorbent ;  regeneration
刊名: ENERGY CONVERSION AND MANAGEMENT
发表日期: 2003-02-01
卷: 44, 期:3, 页:357-367
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences ;  Technology
类目[WOS]: Thermodynamics ;  Energy & Fuels ;  Mechanics ;  Physics, Nuclear
研究领域[WOS]: Thermodynamics ;  Energy & Fuels ;  Mechanics ;  Physics
英文摘要: The effect of the molar ratio of Mn:Fe on Mn-Fe/gamma-Al2O3 sorbent performance for hot gas desulfurization was studied in detail in this paper. The results showed that the ideal composition for preparation of Mn-Fe/gamma-Al2O3 was a molar ratio of two, i.e. AMF2.0 sorbent, for the temperature range of 500-650 degreesC. The regenerated AMF2.0 sorbent desulfurization results showed that its reactivity was decreased when the reaction-regeneration cycles were more than seven at 700 degreesC, using 3.0 vol.% oxygen diluted with nitrogen as regeneration conditions. When a small amount of ZnO was added to the AMF2.0 sorbent, its performance in removal of H2S was improved at the experimental conditions. The optimum composition for preparation of Mn-Fe-Zn/gamma-Al2O3 was a 2:1:0.2 molar ratio of Mn:Fe:Zn, i.e. AMFZ0.2 sorbent. At the same regeneration conditions used for Mn-Fe/gamma-Al2O3 sorbents, it was shown that the regenerated AMFZ0.2 sorbent had better desulfurization stability, which implied the AMFZ0.2 sorbent could be an ideal sorbent for removal of H2S at high temperature for hot gas desulfurization. (C) 2002 Elsevier Science Ltd. All rights reserved.
关键词[WOS]: HIGH-TEMPERATURE DESULFURIZATION ;  ZINC TITANATE SORBENTS ;  HYDROGEN-SULFIDE ;  OXIDE SORBENTS ;  H2S REMOVAL ;  COAL-GAS ;  REDUCTION ;  KINETICS ;  FERRITE ;  SOLIDS
语种: 英语
WOS记录号: WOS:000178942200001
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/138332
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Beijing Univ Chem Technol, Dept Chem Engn, Key Lab Sci & Technol Controllable Chem React, Minist Educ, Beijing 100029, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China

Recommended Citation:
Zhang, JC,Wang, YH,Wu, DY. Effect investigation of ZnO additive on Mn-Fe/gamma-Al2O3 sorbents for hot gas desulfurization[J]. ENERGY CONVERSION AND MANAGEMENT,2003,44(3):357-367.
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