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题名: Fischer-Tropsch synthesis over iron catalysts with corncob-derived promoters
作者: Guo, Lisheng1, 2;  Sun, Jian1;  Wei, Jian1, 2;  Wen, Zhiyong1, 2;  Xu, Hengyong1;  Ge, Qingjie1
关键词: Fischer-Tropsch synthesis ;  Promoters ;  Synergistic effect ;  Iron-based catalysts ;  Hydrocarbons
刊名: JOURNAL OF ENERGY CHEMISTRY
发表日期: 2017-07-01
DOI: 10.1016/j.jechem.2017.03.017
卷: 26, 期:4, 页:632-638
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences ;  Technology
类目[WOS]: Chemistry, Applied ;  Chemistry, Physical ;  Energy & Fuels ;  Engineering, Chemical
研究领域[WOS]: Chemistry ;  Energy & Fuels ;  Engineering
英文摘要: A sustainable strategy for Fischer-Tropsch iron catalysts is successfully achieved by embedding of synergistic promoters from a renewable resource, corncob. The iron-based catalysts, named as "corncob-driven" catalysts, are composed of iron species supported on carbon as primary active components and various minerals (K, Mg, Ca, and Si, etc.) as promoters. The corncob-driven catalysts are facilely synthesized by a one-pot hydrothermal treatment under mild conditions. The characterization results indicate that the formation of iron carbides from humboldtine is clearly enhanced and the morphology of catalyst particles tends to be more regular microspheres after adding corncob. It is observed that the optimized corncob-driven catalyst exhibits a higher conversion than without promoters' catalyst in Fischer-Tropsch synthesis (ca. 73% vs. ca. 49%). More importantly, a synergistic effect exists in multiple promoters from corncob that can enhance heavy hydrocarbons selectivity and lower CO2 selectivity, obviously different from the catalyst with promoters from chemicals. The proposed synthesis route of corncob-driven catalysts provides new strategies for the utilization of renewable resources and elimination of environmental pollutants from chemical promoters. (C) 2017 Science Press and Dalian Institute of Chemical Physics, Chinese Academy of Sciences. Published by Elsevier B.V. and Science Press. All rights reserved.
关键词[WOS]: MANGANESE CATALYST ;  NANOPARTICLES ;  SELECTIVITY ;  POTASSIUM
语种: 英语
WOS记录号: WOS:000412776100006
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/150207
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 Natl Lab Clean Energy DNL, Dalian Inst Chem Phys, Dalian 116023, Liaoning, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China

Recommended Citation:
Guo, Lisheng,Sun, Jian,Wei, Jian,et al. Fischer-Tropsch synthesis over iron catalysts with corncob-derived promoters[J]. JOURNAL OF ENERGY CHEMISTRY,2017,26(4):632-638.
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