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题名: Synthesis and Characterization of Silica-Supported Cobalt Phosphide Catalysts for CO Hydrogenation
作者: Song, Xiangen1, 3;  Ding, Yunjie1, 2;  Chen, Weimiao1;  Dong, Wenda1, 3;  Pei, Yanpeng1, 3;  Zang, Juan1, 3;  Yan, Li1;  Lu, Yuan1
刊名: ENERGY & FUELS
发表日期: 2012-11-01
DOI: 10.1021/ef301391f
卷: 26, 期:11, 页:6559-6566
收录类别: SCI
文章类型: Article
类目[WOS]: Energy & Fuels ;  Engineering, Chemical
研究领域[WOS]: Energy & Fuels ;  Engineering
英文摘要: A series of silica supported cobalt phosphides with different metal/P molar ratios were synthesized by means of a temperature programmed reduction (TPR) method. Their catalytic performances of CO hydrogenation were tested in a fixed-bed reactor under conditions of 553 K, 5.0 MPa, and H-2/CO = 2 (molar). The catalytic activity of the phosphides ranked in the following order: Co2P/SiO2 < Co4P/SiO2 < Co8P/SiO2 (x denotes the molar ratio of metal to P). It is interesting to find that C-2(+) oxygenates were the main product over the CoxP catalysts. Evidence from X-ray photoelectron spectroscopy (XPS) and high-resolution transmission electron microscopy (HRTEM) measurements proved that the Co delta+ species might be the active sites for the formation of higher oxygenates during CO hydrogenation.
关键词[WOS]: TRANSITION-METAL PHOSPHIDES ;  SYNTHESIS GAS CONVERSION ;  HIGHER-ALCOHOL SYNTHESIS ;  HYDRODESULFURIZATION PROPERTIES ;  RH CATALYSTS ;  SYNGAS ;  PROMOTER ;  ETHANOL ;  LA2O3
语种: 英语
WOS记录号: WOS:000311244900013
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/142835
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 Natl Lab Clean Energy, Dalian 116023, 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 100039, Peoples R China

Recommended Citation:
Song, Xiangen,Ding, Yunjie,Chen, Weimiao,et al. Synthesis and Characterization of Silica-Supported Cobalt Phosphide Catalysts for CO Hydrogenation[J]. ENERGY & FUELS,2012,26(11):6559-6566.
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