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题名: A new explanation for the carbon deposition and elimination over supported Ni, Ni-Ce and Ni-Co catalysts for CO2-reforming of methane
作者: Yang, YL;  Li, WZ;  Xu, HY
关键词: metal-semiconductor interaction ;  Ni-based catalyst ;  carbon deposition ;  carbon elimination
刊名: REACTION KINETICS AND CATALYSIS LETTERS
发表日期: 2002
卷: 77, 期:1, 页:155-162
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: The influence of the addition of CeO2 or Co3O4 to Ni-based catalysts on carbon deposition by CH4 and carbon elimination by CO2 was studied with a pulse reaction as well as BET, TGA, XPS and hydrogen chemisorption techniques. It was found that addition of the CeO2 decreased the carbon deposition activity of CH4 and increased the carbon elimination ability of CO2, which could be explained by the interaction between the metal (Ni) and n-type semiconductor (CeO2). However, the addition of the Co3O4, which was transformed to Coo during the reaction, accelerated carbon deposition by CH4 and resisted carbon elimination by CO2. A novel model of carbon deposition/carbon elimination over Ni-based catalysts has been proposed.
关键词[WOS]: NI/AL2O3 CATALYST ;  SYNTHESIS GAS ;  DIOXIDE ;  SUPPRESSION ;  NI/ALPHA-AL2O3 ;  CONVERSION
语种: 英语
WOS记录号: WOS:000178165000020
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/139192
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.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China

Recommended Citation:
Yang, YL,Li, WZ,Xu, HY. A new explanation for the carbon deposition and elimination over supported Ni, Ni-Ce and Ni-Co catalysts for CO2-reforming of methane[J]. REACTION KINETICS AND CATALYSIS LETTERS,2002,77(1):155-162.
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