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Direct conversion of syngas into hydrocarbons over a core-shell Cr-Zn@SiO2@SAPO-34 catalyst
Li, Jinjing; Pan, Xiulian; Bao, Xinhe
关键词Chromium-zinc Oxide Zeolite Core-shell C-2-c-4 Hydrocarbons Syngas Direct Conversion
刊名CHINESE JOURNAL OF CATALYSIS
2015-07-01
DOI10.1016/S1872-2067(14)60297-7
36期:7页:1131-1135
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 ; Engineering, Chemical
研究领域[WOS]Chemistry ; Engineering
关键词[WOS]CAPSULE CATALYST ; SYNTHESIS GAS ; LIQUID HYDROCARBONS ; METHANOL SYNTHESIS ; DIMETHYL ETHER ; OLEFINS ; CR/ZNO ; PD
英文摘要Direct conversion of syngas into hydrocarbons with high selectivity remains a challenge. Herein, we report the synthesis of a core-shell-structured catalyst constituting Cr-Zn oxide as the core and SAPO-34 as the shell for the conversion of syngas into hydrocarbons with high selectivity. A SiO2 layer was sandwiched between the core and the shell to prevent damage to the core during shell synthesis. Furthermore, the intermediate SiO2 layer acted as a Si source for the formation of the shell. The prepared catalyst displayed considerably higher selectivity toward the production of C-2-C-4 hydrocarbons (66.9%) than that of methanol and methane. The findings show the potential of the prepared core-shell-structured catalyst in the one-step production of hydrocarbons, such as liquefied petroleum gas, from syngas. However, further optimization of the catalyst is necessary to achieve higher performance. (C) 2015, Dalian Institute of Chemical Physics, Chinese Academy of Sciences. Published by Elsevier B.V. All rights reserved.
语种英语
WOS记录号WOS:000356911400031
引用统计
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/146351
专题中国科学院大连化学物理研究所
作者单位Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Liaoning, Peoples R China
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Li, Jinjing,Pan, Xiulian,Bao, Xinhe. Direct conversion of syngas into hydrocarbons over a core-shell Cr-Zn@SiO2@SAPO-34 catalyst[J]. CHINESE JOURNAL OF CATALYSIS,2015,36(7):1131-1135.
APA Li, Jinjing,Pan, Xiulian,&Bao, Xinhe.(2015).Direct conversion of syngas into hydrocarbons over a core-shell Cr-Zn@SiO2@SAPO-34 catalyst.CHINESE JOURNAL OF CATALYSIS,36(7),1131-1135.
MLA Li, Jinjing,et al."Direct conversion of syngas into hydrocarbons over a core-shell Cr-Zn@SiO2@SAPO-34 catalyst".CHINESE JOURNAL OF CATALYSIS 36.7(2015):1131-1135.
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