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题名: Platinum based core-shell catalysts for sour water-gas shift reaction
作者: Liu, Bing1, 2, 3;  Xu, Hengyong3;  Zhang, Zehui1, 2
关键词: Water-gas shift ;  Sulfur tolerance ;  Core-shell catalyst ;  Platinum ;  Ceria zirconia solid solution
刊名: CATALYSIS COMMUNICATIONS
发表日期: 2012-09-05
DOI: 10.1016/j.catcom.2012.05.013
卷: 26, 页:159-163
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Physical
研究领域[WOS]: Chemistry
英文摘要: Pt@CeO2 and Pt@Ce0.67Zr0.33O2 prepared by microemulsion method were studied for water-gas shift reaction in pure syngas and sour syngas from 573 K to 773 K. Both showed high catalytic activities in pure syngas with CO conversion (X-CO) nearly to equilibrium status at temperature above 723 K. and the side reaction of methanation was inhibited throughout the temperature range. Pt@Ce0.67Zr0.33O2 showed lower X-CO in pure syngas, but higher in sour syngas than Pt@CeO2, indicating that the former is more resistant to H2S than the latter. Although a decrease in X-CO was observed in sour syngas relative to pure syngas, stability experiments carried out over Pt@Ce0.67Zr0.33O2 indicated that the catalytic activity could be recovered after the removal of H2S. (C) 2012 Elsevier B.V. All rights reserved.
关键词[WOS]: CERIA ;  REDUCTION ;  HYDROGEN ;  SUPPORT ;  PT/CEO2 ;  SYNGAS ;  OXYGEN
语种: 英语
WOS记录号: WOS:000308285100033
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/143158
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.S Cent Univ Nationalities, Key Lab Catalysis & Mat Sci, State Ethn Affairs Commiss, Wuhan 430074, Peoples R China
2.S Cent Univ Nationalities, Minist Educ, Coll Chem & Mat Sci, Wuhan 430074, Peoples R China
3.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian Natl Lab Clean Energy, Dalian 116023, Peoples R China

Recommended Citation:
Liu, Bing,Xu, Hengyong,Zhang, Zehui. Platinum based core-shell catalysts for sour water-gas shift reaction[J]. CATALYSIS COMMUNICATIONS,2012,26:159-163.
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