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题名: CO-PROX reactions on copper cerium oxide catalysts prepared by melt infiltration
作者: Li, Xiaobo1;  Quek, Xian-Yang2;  Ligthart, D. A. J. Michel2;  Guo, Meiling1;  Zhang, Yi2;  Li, Can1;  Yang, Qihua1;  Hensen, Emiel J. M.2
关键词: Copper ;  Ceria ;  Melt infiltration ;  CO oxidation ;  CO-PROX
刊名: APPLIED CATALYSIS B-ENVIRONMENTAL
发表日期: 2012-07-23
DOI: 10.1016/j.apcatb.2012.05.009
卷: 123, 页:424-432
收录类别: SCI
文章类型: Article
类目[WOS]: Chemistry, Physical ;  Engineering, Environmental ;  Engineering, Chemical
研究领域[WOS]: Chemistry ;  Engineering
英文摘要: A series of copper cerium oxide catalysts was prepared by melt infiltration routes using silica hollow spheres (SHS) as the support material. Their catalytic activity in CO oxidation and preferential oxidation of CO in H-2 stream (BROX) strongly depend on the Cu/Ce ratio. Lower ratios resulted in higher activity, indicating that finely dispersed CuO clusters that strongly interact with ceria are the active sites. The highest activity is found for an atomic Cu/Ce ratio of 1/8. The catalysts prepared by melt infiltration are more active than their counterparts prepared by conventional solution impregnation methods. The difference is attributed to the higher proportion of finely dispersed CuO clusters strongly interacting with ceria in the melt infiltrated catalysts. (C) 2012 Elsevier B.V. All rights reserved.
关键词[WOS]: CUO-CEO2 CATALYSTS ;  CARBON-MONOXIDE ;  CEO2 CATALYSTS ;  STRUCTURAL CHARACTERISTICS ;  COMPOSITE CATALYSTS ;  CUO/CEO2 CATALYSTS ;  REDOX TREATMENTS ;  SOLID-SOLUTIONS ;  TOTAL OXIDATION ;  LOW-TEMPERATURE
语种: 英语
WOS记录号: WOS:000307159100047
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/142934
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, State Key Lab Catalysis, Dalian 116023, Peoples R China
2.Eindhoven Univ Technol, Schuit Inst Catalysis, NL-5600 MB Eindhoven, Netherlands

Recommended Citation:
Li, Xiaobo,Quek, Xian-Yang,Ligthart, D. A. J. Michel,et al. CO-PROX reactions on copper cerium oxide catalysts prepared by melt infiltration[J]. APPLIED CATALYSIS B-ENVIRONMENTAL,2012,123:424-432.
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