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题名: A study on regeneration of Mn-Fe-Zn-O supported upon gamma-Al2O3 sorbents for hot gas desulfurization
作者: Zhang, JC;  Wang, YH;  Ma, RY;  Wu, DY
关键词: desulfurization ;  regeneration ;  sulfur capacity ;  sorbents
刊名: FUEL PROCESSING TECHNOLOGY
发表日期: 2003-11-15
DOI: 10.1016/S0378-3820(03)00057-2
卷: 84, 期:1-3, 页:217-227
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences ;  Technology
类目[WOS]: Chemistry, Applied ;  Energy & Fuels ;  Engineering, Chemical
研究领域[WOS]: Chemistry ;  Energy & Fuels ;  Engineering
英文摘要: In this study, the regeneration conditions of Mn-Fe-Zn-O supported upon gamma-Al2O3 sorbents for high-temperature desulfarization of fuel gases were investigated. Nln-Fe-Zn/gamma-Al2O3 sorbents with Mn/Fe/Zn molar ratio of 2:1:0.2, AMFZ0.2, were prepared. Desulfurization and regeneration were carried out in a quartz fixed-bed reactor of 10-mm diameter. Sulfidation tests were performed at 650 degreesC using the gas mixture containing (mol) 0.3%H2S-11.62%H-2-19.34%CO-6.85%CO2-61.84%N-2 at SV=3000 h(-1). Sulfur capacity of the fresh sorbent was about 5.3 gS/100 gSorbent. Regeneration parameters including temperature, concentration of oxygen, space velocity and steam content have been considered in order to obtain suitable regeneration conditions. The regeneration was performed at the following parameters-pressure: atmosphere, temperature: 600-750 degreesC, space velocity: 2000-3000 h(-1) and gas composition (vol.%): 2-8 O-2, 4-10 H2O with N-2 balance. Typical properties of the sorbents before and after regeneration were characterized using XRD, SEM, BET and ICP methods. The most suitable regeneration conditions were obtained including 700 degreesC of regeneration temperature, 6.0% of oxygen content and 8.0% of steam in the gas stream. (C) 2003 Elsevier Science B.V. All rights reserved.
关键词[WOS]: ZINC TITANATE SORBENTS ;  H2S REMOVAL ;  COAL-GAS ;  SOLIDS
语种: 英语
WOS记录号: WOS:000184403300017
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/138367
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, Minist Educ, Key Lab Sci & Technol Controllable Chem React, Dept Chem Engn, Beijing 100029, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China

Recommended Citation:
Zhang, JC,Wang, YH,Ma, RY,et al. A study on regeneration of Mn-Fe-Zn-O supported upon gamma-Al2O3 sorbents for hot gas desulfurization[J]. FUEL PROCESSING TECHNOLOGY,2003,84(1-3):217-227.
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