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题名: Higher alcohols synthesis via CO hydrogenation on Fe-promoted Co/AC catalysts
作者: Du, Hong1, 3;  Zhu, Hejun1;  Liu, Tao1;  Zhao, Ziang1, 3;  Chen, Xingkun1, 3;  Dong, Wenda1;  Lu, Wei1;  Luo, Wenting1, 3;  Ding, Yunjie1, 2
关键词: CO hydrogenation ;  Higher alcohols synthesis ;  Co/AC catalyst ;  Fe
刊名: CATALYSIS TODAY
发表日期: 2017-03-01
DOI: 10.1016/j.cattod.2016.05.023
卷: 281, 页:549-558
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: Fe-promoted Co/AC catalysts (15CoxFe/AC) were synthesized by co-impregnation method and studied using CO hydrogenation reaction, N-2 adsorption, ex-situ/in-situ XRD, H-2-TPR, CO chemisorption and HRTEM. The results showed that the catalytic performance was improved by adding Fe into the 15Co/AC catalyst. Appropriate amount of Fe improved metal dispersion and CO uptake, thus leading to the enhancement of catalytic activity. Moreover, the increased selectivity towards C-1-C-16 alcohols was attributable to the formation of Co2C species and Co-Fe alloy promoted by moderate Fe loading in the 15Co/AC catalyst. The 15Co0.5Fe/AC catalyst showed the highest specific activity and yield of alcohols. In particular, the alcohols fraction in the liquid phase products improved up to 75% with the addition of Fe doping of 3 wt% on the 15 Co/AC catalyst. It was suggested that Co/Co2C and Co-Fe alloy were responsible for the higher alcohols synthesis via CO hydrogenation over the 15CoxFe/AC catalysts. (C) 2016 Elsevier B.V. All rights reserved.
关键词[WOS]: FISCHER-TROPSCH SYNTHESIS ;  SUPPORTED COBALT CATALYSTS ;  FE-CO/TIO2 BIMETALLIC CATALYSTS ;  K CATALYSTS ;  CU-CO ;  SYNGAS ;  CARBON ;  PERFORMANCE ;  ETHANOL ;  SELECTIVITY
语种: 英语
WOS记录号: WOS:000390626400020
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/151824
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.Univ Chinese Acad Sci, Beijing 100039, Peoples R China

Recommended Citation:
Du, Hong,Zhu, Hejun,Liu, Tao,et al. Higher alcohols synthesis via CO hydrogenation on Fe-promoted Co/AC catalysts[J]. CATALYSIS TODAY,2017,281:549-558.
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