Controlled synthesis of cobalt nanocrystals on the carbon spheres for enhancing Fischer–Tropsch synthesis performance

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英文篇名：Controlled synthesis of cobalt nanocrystals on the carbon spheres for enhancing Fischer–Tropsch synthesis performance 作者：Ting ; Kuang ; Shuai ; Lyu ; Sixu ; Liu ; Yuhua ; Zhang ; Jinlin ; Li ; Guanghui ; Wang ; Li ; Wang 英文作者：Ting Kuang;Shuai Lyu;Sixu Liu;Yuhua Zhang;Jinlin Li;Guanghui Wang;Li Wang;Key Laboratory of Catalysis and Materials Science of the State Ethnic Affairs Commission & Ministry of Education, College of Chemistry and Materials Science, South-Central University for Nationalities;Hubei Key Laboratory of Coal Conversion and New Carbon Material, School of Chemical Engineering and Technology, Wuhan University of Science and Technology; 英文关键词：Fischer–Tropsch synthesis;;Cobalt-based catalysts;;Dispersion;;Thermal decomposition 中文刊名：TRQZ 英文刊名：能源化学(英文版) 机构：Key Laboratory of Catalysis and Materials Science of the State Ethnic Affairs Commission & Ministry of Education, College of Chemistry and Materials Science, South-Central University for Nationalities;Hubei Key Laboratory of Coal Conversion and New Carbon Material, School of Chemical Engineering and Technology, Wuhan University of Science and Technology; 出版日期：2019-06-15 出版单位：Journal of Energy Chemistry 年：2019 期：v.33 基金：supported by the Key Program project of the NSFC and China Petrochemical Corporation Joint Fund (Grant No. U1463210);; the Natural Science Foundation of Hubei Province of China (2013CFA089);; the Fundamental Research Funds for the Central Universities, South-Central University for Nationalities (CZZ13002 and CZW15099) 语种：英文; 页：TRQZ201906009 页数：7 CN：06 ISSN：10-1287/O6 分类号：75-81

摘要

Non-porous carbon sphere was used as support to synthesize supported cobalt Fischer-Tropsch catalysts with high activity and durability. Strong metal-support interaction was avoided and intrinsic activity of pristine cobalt nano-particles was studied. Thermal decomposition synthesis method was applied to obtain cobalt catalysts with high dispersion and narrow particle size distribution. Furthermore the cobalt size can be controlled by the molar ratio of o-dichlorobenzene/benzylamine. Compared with supported cobalt catalysts prepared by incipient wetness impregnation method and ultrasonic impregnation method,the catalyst prepared by thermal decomposition method showed higher catalytic activity, higher long chain hydrocarbons selectivity and lower methane selectivity.
        Non-porous carbon sphere was used as support to synthesize supported cobalt Fischer-Tropsch catalysts with high activity and durability. Strong metal-support interaction was avoided and intrinsic activity of pristine cobalt nano-particles was studied. Thermal decomposition synthesis method was applied to obtain cobalt catalysts with high dispersion and narrow particle size distribution. Furthermore the cobalt size can be controlled by the molar ratio of o-dichlorobenzene/benzylamine. Compared with supported cobalt catalysts prepared by incipient wetness impregnation method and ultrasonic impregnation method,the catalyst prepared by thermal decomposition method showed higher catalytic activity, higher long chain hydrocarbons selectivity and lower methane selectivity.

引文

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