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Higher alcohols synthesis via CO hydrogenation on Fe-promoted Co/AC catalysts
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
2017-03-01
DOI10.1016/j.cattod.2016.05.023
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
关键词[WOS]FISCHER-TROPSCH SYNTHESIS ; SUPPORTED COBALT CATALYSTS ; FE-CO/TIO2 BIMETALLIC CATALYSTS ; K CATALYSTS ; CU-CO ; SYNGAS ; CARBON ; PERFORMANCE ; ETHANOL ; SELECTIVITY
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.
语种英语
WOS记录号WOS:000390626400020
引用统计
被引频次:8[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/151824
专题中国科学院大连化学物理研究所
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
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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.
APA Du, Hong.,Zhu, Hejun.,Liu, Tao.,Zhao, Ziang.,Chen, Xingkun.,...&Ding, Yunjie.(2017).Higher alcohols synthesis via CO hydrogenation on Fe-promoted Co/AC catalysts.CATALYSIS TODAY,281,549-558.
MLA Du, Hong,et al."Higher alcohols synthesis via CO hydrogenation on Fe-promoted Co/AC catalysts".CATALYSIS TODAY 281(2017):549-558.
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