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题名: Application of coprecipitated nickel catalyst to steam reforming of higher hydrocarbons in membrane reactor
作者: Chen Yazhong;  Xu Hengyong;  Wang Yuzhong;  Xiong Guoxing
关键词: coprecipitation ;  nickel catalyst ;  nano-sized ;  higher hydrocarbons ;  steam reforming ;  palladium membrane reactor
刊名: CHINESE JOURNAL OF CATALYSIS
发表日期: 2006-09-01
卷: 27, 期:9, 页:772-776
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: The Ni/La-Al2O3 catalyst prepared by a coprecipitation method was employed to hydrogen production from steam reforming of higher hydrocarbons in a palladium membrane reactor. The catalyst was characterized by low temperature N-2 adsorption, H-2 temperature-programmed reduction, H-2-O-2 chemisorption, and X-ray diffraction. The results showed that there was a strong interaction between NiO and the support. In the I'd membrane reactor, due to the selective removal of H-2 by the membrane, the yield of H-2 was increased significantly, while the formation of methane was suppressed in contrast with the results in the conventional fixed-bed reactor. Even under the near-practical application conditions, e. g., high GHSV and small flux of sweep gas, high yield of H-2 and membrane separation efficiency were still obtained. Furthermore, no degradation of the membrane was observed even under working conditions of 823 K and steam-to-carbon feed ratio 2.7. This suggested that it was feasible to realize H-2 production from steam reforming of higher hydrocarbons using only one reactor and one nickel-based reforming catalyst at reaction temperatures lower than 823 K.
关键词[WOS]: HYDROGEN-PRODUCTION ;  FUEL-CELLS ;  PALLADIUM MEMBRANE ;  METHANE ;  GENERATION ;  BEHAVIOR
语种: 英语
WOS记录号: WOS:000241169700006
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/140019
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, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Liaoning, Peoples R China

Recommended Citation:
Chen Yazhong,Xu Hengyong,Wang Yuzhong,et al. Application of coprecipitated nickel catalyst to steam reforming of higher hydrocarbons in membrane reactor[J]. CHINESE JOURNAL OF CATALYSIS,2006,27(9):772-776.
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