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题名: Direct conversion of syngas into hydrocarbons over a core-shell Cr-Zn@SiO2@SAPO-34 catalyst
作者: Li, Jinjing1;  Pan, Xiulian1;  Bao, Xinhe1
关键词: Chromium-zinc oxide ;  Zeolite ;  Core-shell ;  C-2-C-4 hydrocarbons ;  Syngas direct conversion
刊名: CHINESE JOURNAL OF CATALYSIS
发表日期: 2015-07-01
DOI: 10.1016/S1872-2067(14)60297-7
卷: 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
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.
关键词[WOS]: CAPSULE CATALYST ;  SYNTHESIS GAS ;  LIQUID HYDROCARBONS ;  METHANOL SYNTHESIS ;  DIMETHYL ETHER ;  OLEFINS ;  CR/ZNO ;  PD
语种: 英语
WOS记录号: WOS:000356911400031
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/146351
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 Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Liaoning, Peoples R China

Recommended Citation:
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.
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