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题名: Effect of Al2O3 Promoter on a Performance of C-1-C-14 alpha-Alcohols Direct Synthesis over Co/AC Catalysts via Fischer-Tropsch Synthesis
作者: Pei, Yanpeng1, 2;  Ding, Yunjie1, 3;  Zhu, Hejun1;  Zang, Juan1, 2;  Song, Xiangen1, 2;  Dong, Wenda1, 2;  Wang, Tao1;  Lu, Yuan1
关键词: Co/AC catalyst ;  Higher alcohols ;  Al2O3 promoter ;  CO hydrogenation ;  Co2C formation
刊名: CATALYSIS LETTERS
发表日期: 2014-08-01
DOI: 10.1007/s10562-014-1283-8
卷: 144, 期:8, 页:1433-1442
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Physical
研究领域[WOS]: Chemistry
英文摘要: The influence of Al2O3 promoter on a performance of C-1-C-14 alpha-alcohols direct synthesis from syngas over activated carbon (AC) supported cobalt catalysts (Co/AC catalysts) was investigated using CO hydrogenation evaluation, XRD, HRTEM, H-2-TPR, pulsed CO chemisorption, H-2-TPD and N-2 physisorption techniques. The results obtained showed that the addition of Al2O3 increased significantly the Co component dispersion without remarkably decreasing its reducibility and inhibited its aggregation during reaction, resulting in greatly enhanced reaction activity as well as increased selectivity towards liquid products. Appropriate amounts of Al2O3 can promote the formation of Co2C, leading to an increase of total alcohol fraction in the liquid products. Moreover, the Al2O3 addition can further promote the formation of higher alcohols (C-6-C-14 alcohols).
关键词[WOS]: SUPPORTED COBALT CATALYSTS ;  LONG-CHAIN HYDROCARBONS ;  CO/AL2O3 CATALYSTS ;  CO/SIO2 CATALYSTS ;  CO HYDROGENATION ;  IRON CATALYSTS ;  PORE-SIZE ;  SYNGAS ;  SELECTIVITY ;  METALS
语种: 英语
WOS记录号: WOS:000339938000011
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/145438
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, Liaoning, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100039, Peoples R China
3.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Liaoning, Peoples R China

Recommended Citation:
Pei, Yanpeng,Ding, Yunjie,Zhu, Hejun,et al. Effect of Al2O3 Promoter on a Performance of C-1-C-14 alpha-Alcohols Direct Synthesis over Co/AC Catalysts via Fischer-Tropsch Synthesis[J]. CATALYSIS LETTERS,2014,144(8):1433-1442.
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