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Nanocrystalline iron-boron catalysts for low-temperature CO hydrogenation: Selective liquid fuel production and structure-activity correlation
Xu, K; Cheng, Y; Lin, J; Wang, H; Xie, SH; Pei, Y; Yan, SR; Qiao, MH; Li, ZH; Zong, BN; 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.
2016
Source PublicationJOURNAL OF CATALYSIS
ISSN0021-9517
Volume339Issue:-Pages:102—110
Subtype期刊文献
AbstractLow-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.
KeywordFischer-tropsch Synthesis Fe Adsorption Dissociation Activation Surfaces Coverage Phase Alloy Dft
DOI10.1016/j.jcat.2016.03.035
Indexed BySCI
Language英语
WOS IDWOS:000378453700013
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/25780
Collection中科院上海应用物理研究所2011-2018年
Corresponding AuthorQiao, 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.
Recommended Citation
GB/T 7714
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,2016,339(-):102—110.
APA Xu, K.,Cheng, Y.,Lin, J.,Wang, H.,Xie, SH.,...&Zong, BN .(2016).Nanocrystalline iron-boron catalysts for low-temperature CO hydrogenation: Selective liquid fuel production and structure-activity correlation.JOURNAL OF CATALYSIS,339(-),102—110.
MLA Xu, K,et al."Nanocrystalline iron-boron catalysts for low-temperature CO hydrogenation: Selective liquid fuel production and structure-activity correlation".JOURNAL OF CATALYSIS 339.-(2016):102—110.
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