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题名: Catalytic conversion of syngas into C-2 oxygenates over Rh-based catalysts-Effect of carbon supports
作者: Fan, Zhongli1;  Chen, Wei1;  Pan, Xiulian1;  Bao, Xinhe1
关键词: Syngas conversion ;  C-2 oxygenates ;  Rh-based catalyst ;  Carbon nanotubes
刊名: CATALYSIS TODAY
发表日期: 2009-09-30
DOI: 10.1016/j.cattod.2009.03.004
卷: 147, 期:2, 页:86-93
收录类别: SCI ;  ISTP
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences ;  Technology
类目[WOS]: Chemistry, Applied ;  Chemistry, Physical ;  Engineering, Chemical
研究领域[WOS]: Chemistry ;  Engineering
英文摘要: Ethanol is considered as a potential alternative synthetic fuel to be used in automobiles or as a potential source of hydrogen for fuel cells. In this paper we first undertake a brief overview of the catalyst development for syngas conversion to C-2 oxygenates over Rh-based catalysts, mainly on the effects of various additives and supports on the activity and selectivity. Then we investigated the effects of carbon materials, which have been rarely studied as supports for Rh-based catalysts in this process. For example, rather well graphitized carbon black, very high surface area CMK-3 and activated carbon (AC) were compared to carbon nanotubes (CNTs), which exhibits a medium level surface area with well defined nanochannels. The CNT-supported catalyst shows a highest overall activity and yield of C-2 oxygenates compared to the other carbon-supported catalysts. The catalysts are characterized by N-2 adsorption-desorption, CO chemisorption, TEM, XRD and TPD. The graphitized structure combined with the tubular morphology of CNTs likely play an important role. (C) 2009 Elsevier B.V. All rights reserved.
关键词[WOS]: CO HYDROGENATION ;  MONOXIDE HYDROGENATION ;  RHODIUM CATALYSTS ;  ACETIC-ACID ;  RH-MN-LI/SIO2 CATALYST ;  SELECTIVE SYNTHESIS ;  ACTIVATED CARBONS ;  PROMOTED RHODIUM ;  VANADIUM-OXIDE ;  ETHANOL
语种: 英语
WOS记录号: WOS:000269765200005
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/141509
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, State Key Lab Catalysis, Dalian Inst Chem Phys, Dalian 116023, Peoples R China

Recommended Citation:
Fan, Zhongli,Chen, Wei,Pan, Xiulian,et al. Catalytic conversion of syngas into C-2 oxygenates over Rh-based catalysts-Effect of carbon supports[J]. CATALYSIS TODAY,2009,147(2):86-93.
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