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题名: The effect of Rh particle size on the catalytic performance of porous silica supported rhodium catalysts for CO hydrogenation
作者: Zhou, ST;  Zhao, H;  Ma, D;  Miao, SJ;  Cheng, MJ;  Bao, XH
通讯作者: 包信和
关键词: rhodium ;  particle size ;  porous silica ;  CO hydrogenation ;  C-2 oxygenation
刊名: ZEITSCHRIFT FUR PHYSIKALISCHE CHEMIE-INTERNATIONAL JOURNAL OF RESEARCH IN PHYSICAL CHEMISTRY & CHEMICAL PHYSICS
发表日期: 2005
卷: 219, 期:7, 页:949-961
收录类别: SCI
文章类型: Article
部门归属: 5
项目归属: 502
产权排名: 1;1
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Physical
研究领域[WOS]: Chemistry
英文摘要: Silica-supported Rh catalysts with different Rh particle dimensions were investigated for CO hydrogenation. The catalysts were characterized by various techniques such as TEM, H-2-TPR and N-2 adsorption to study the catalyst morphology, the size distributions of Rh particles and the silica pores. It was found that the distribution and the size of Rh particles were affected by the silica pores, and the metal grains were enclosed in the pores of the support, and thereby their growth was limited. The catalytic activity and selectivity to C-2-oxygenates for CO hydrogenation were found to be significantly controlled by the Rh particle sizes, and the higher activity and selectivity to C2-oxygenates were obtained over bigger Rh particles, within the range of the reported particle sizes.
关键词[WOS]: OXYGENATE SYNTHESIS ;  RH/SIO2 CATALYST ;  MECHANISM ;  SELECTIVITY ;  SYNGAS ;  DESORPTION ;  DISPERSION ;  COBALT ;  H-2 ;  IR
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000230396800007
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/93103
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

Recommended Citation:
Zhou, ST,Zhao, H,Ma, D,et al. The effect of Rh particle size on the catalytic performance of porous silica supported rhodium catalysts for CO hydrogenation[J]. ZEITSCHRIFT FUR PHYSIKALISCHE CHEMIE-INTERNATIONAL JOURNAL OF RESEARCH IN PHYSICAL CHEMISTRY & CHEMICAL PHYSICS,2005,219(7):949-961.
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