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题名:
Nanocrystalline iron-boron catalysts for low-temperature CO hydrogenation: Selective liquid fuel production and structure-activity correlation
作者: Xu, K; Cheng, Y; Lin, J; Wang, H; Xie, SH; Pei, Y; Yan, SR; Qiao, MH; Li, ZH; Zong, BN
刊名: JOURNAL OF CATALYSIS
出版日期: 2016
卷号: 339, 期号:-, 页码:102—110
关键词: FISCHER-TROPSCH SYNTHESIS ; FE ; ADSORPTION ; DISSOCIATION ; ACTIVATION ; SURFACES ; COVERAGE ; PHASE ; ALLOY ; DFT
DOI: 10.1016/j.jcat.2016.03.035
通讯作者: Qiao, MH (reprint author), Fudan Univ, Dept Chem, Collaborat Innovat Ctr Chem Energy Mat, Shanghai 200433, Peoples R China. ; Qiao, MH (reprint author), Fudan Univ, Shanghai Key Lab Mol Catalysis & Innovat Mat, Shanghai 200433, Peoples R China. ; Zong, BN (reprint author), SINOPEC, Res Inst Petr Proc, State Key Lab Catalyt Mat & Chem Engn, Beijing 100083, Peoples R China.
文章类型: 期刊文献
英文摘要: Low-temperature Fischer-Tropsch synthesis (LTFTS) is one of the green routes for liquid fuel production. We prepared nanocrystalline Fe-B catalysts with different particle sizes and microstructures by adjusting the addition sequence of the precursors. In situ carburization of the Fe-B catalysts at 423 K revealed that the addition sequence influenced the rate and degree of carburization pronouncedly. In LTFTS at 423 K, the Fe-B catalysts displayed similar, markedly high selectivity to liquid fuels, with similar to 48% for C-5-C-11 (gasoline fraction) and similar to 31% for C-12-C-20 (diesel fraction) hydrocarbons, and low selectivities to CO2 and CH4, manifesting excellent carbon atom economy over the non-noble Fe-B catalysts. While the carburization degree did not affect the product distribution, the activities of the Fe-B catalysts evolved positively with the epsilon-Fe2C content. Moreover, a good linear relationship was established between the Fe-Fe coordination number and the epsilon-Fe2C content. (C) 2016 Elsevier Inc. All rights reserved.
收录类别: SCI
语种: 英语
WOS记录号: WOS:000378453700013
ISSN号: 0021-9517
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.sinap.ac.cn/handle/331007/25780
Appears in Collections:中科院上海应用物理研究所2011-2017年_期刊论文

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Recommended Citation:
Xu, K,Cheng, Y,Lin, J,et al. Nanocrystalline iron-boron catalysts for low-temperature CO hydrogenation: Selective liquid fuel production and structure-activity correlation[J]. JOURNAL OF CATALYSIS,2016-01-01,339(-):102—110.
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