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题名: Hybrid Catalysts for Liquefied Petroleum Gas Synthesis from Syngas
作者: Ma Xiangang1, 2;  Ge Qingjie1;  Fang Chuanyan1;  Ma Junguo1;  Xu Hengyong1
关键词: syngas ;  liquefied petroleum gas ;  hybrid catalyst ;  Y-zeolite ;  coke deposition
刊名: CHINESE JOURNAL OF CATALYSIS
发表日期: 2010-12-01
DOI: 10.3724/SP.J.1088.2010.00633
卷: 31, 期:12, 页:1501-1506
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 synthesis of liquefied petroleum gas (LPG) from syngas over hybrid catalysts consisting of methanol synthesis catalyst and Pd-modified zeolites such as Pd/SAPO-11, Pd/ZSM-5, Pd/beta, and Pd/Y was investigated in a fixed-bed reactor. Pore diameter of zeolites had great effect on LPG selectivity. The hybrid catalyst composed of methanol synthesis catalyst and Pd/Y demonstrated a good reactivity and more than 73% selectivity for LPG at 300 degrees C, 2.1 MPa, and the space velocity of 1 500 h(-1). N-2 adsorption-desorption, NH3 temperature-programmed desorption and temperature-programmed oxidation were carried out to study the properties of the catalysts before and after reaction. The results indicated that coke deposition was the main reason for the catalyst deactivation.
关键词[WOS]: METHANOL SYNTHESIS ;  LPG ;  PERFORMANCE
语种: 英语
WOS记录号: WOS:000289321900014
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/142079
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, Dalian 116023, Liaoning, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China

Recommended Citation:
Ma Xiangang,Ge Qingjie,Fang Chuanyan,et al. Hybrid Catalysts for Liquefied Petroleum Gas Synthesis from Syngas[J]. CHINESE JOURNAL OF CATALYSIS,2010,31(12):1501-1506.
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