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题名: Effect of vanadium promotion on activated carbon-supported cobalt catalysts in Fischer-Tropsch synthesis
作者: Wang, T;  Ding, YJ;  Xiong, JM;  Yan, L;  Zhu, HJ;  Lu, Y;  Lin, LW
通讯作者: 丁云杰
关键词: AC-supported Co catalyst ;  Fischer-Tropsch synthesis ;  vanadium promotion
刊名: CATALYSIS LETTERS
发表日期: 2006-02-01
DOI: 10.1007/s10562-005-9730-1
卷: 107, 期:1-2, 页:47-52
收录类别: SCI
文章类型: Article
部门归属: 8
项目归属: 805
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: The effect of vanadium promotion on activated carbon (AC)-supported cobalt catalysts in Fischer-Tropsch synthesis has been studied by means of XRD, TPR, CO-TPD, H-2-TPSR of chemisorbed CO and F-T reaction. It was found that the CO conversion could be significantly increased from 38.9 to 87.4% when 4 wt.% V was added into Co/AC catalyst. Small amount of vanadium promoter could improve the selectivity toward C-10-C-20 fraction and suppress the formation of light hydrocarbon. The results of CO-TPD and H-2-TPSR of adsorbed CO showed that the addition of vanadium increased the concentration of surface-active carbon species by enhancing CO dissociation and further improved the selectivity of long chain hydrocarbons. However, excess of vanadium increased methane selectivity and decreased C-5(+) selectivity.
关键词[WOS]: TEMPERATURE-PROGRAMMED DESORPTION ;  MONOXIDE HYDROGENATION ;  CO ;  RUTHENIUM ;  RU ;  REDUCIBILITY ;  BEHAVIOR ;  ALUMINA ;  XPS ;  H-2
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000235673200008
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/98141
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.Nat Gas Utilizat & Appl Catalysis Lab, Dalian, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
3.Chinese Acad Sci, Grad Sch, Beijing, Peoples R China

Recommended Citation:
Wang, T,Ding, YJ,Xiong, JM,et al. Effect of vanadium promotion on activated carbon-supported cobalt catalysts in Fischer-Tropsch synthesis[J]. CATALYSIS LETTERS,2006,107(1-2):47-52.
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