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题名: Investigation of alumina-supported Ni and Ni-Pd catalysts by partial oxidation and steam reforming of n-octane
作者: Zhang, JC;  Wang, YH;  Ma, RY;  Wu, DY
关键词: fuel cells ;  partial oxidation ;  steam reforming ;  regeneration ;  hydrocarbons
刊名: KOREAN JOURNAL OF CHEMICAL ENGINEERING
发表日期: 2003-03-01
卷: 20, 期:2, 页:288-292
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences ;  Technology
类目[WOS]: Chemistry, Multidisciplinary ;  Engineering, Chemical
研究领域[WOS]: Chemistry ;  Engineering
英文摘要: A series of nickel and nickel-palladium supported upon alumina catalysts were prepared in order to obtain a suitable catalyst that could be used in the process of producing hydrogen by partial oxidation and steam reforming of n-octane. Hydrogen production by partial oxidation and steam refonning (POSR) of n-octane was investigated over alumina-supported Ni and Ni-Pd catalysts. The process occurred by a combination of exothermic partial oxidation and endothermic steam reforming of n-octane. It was found that Ni/Al2O3 catalyst activity was high at high temperatures and increased with the Ni loadings. Its activity, however, was not obviously increased when Ni loadings were over 5.0 wt%. Compared with nickel catalyst, the bimetallic catalyst of Ni-Pd/Al2O3 showed markedly increased activity and hydrogen selectivity at experimental conditions. The catalytic performance also became more stable when the palladium was added, which indicated that palladium plays an essential role in the catalytic action. The used catalysts of Ni-Pd/Al2O3 were regenerated three times by using air at space velocity of 2,000 h(-1) to obtain a long duration catalyst. Also, the typical catalyst was characterized by using SEM, BET, TG and ICP methods in detail.
关键词[WOS]: METHANOL
语种: 英语
WOS记录号: WOS:000181945600016
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/138323
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.Beijing Inst Chem Technol, Minist Educ, Key Lab Sci & Technol Controllable Chem React, Beijing 100029, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China

Recommended Citation:
Zhang, JC,Wang, YH,Ma, RY,et al. Investigation of alumina-supported Ni and Ni-Pd catalysts by partial oxidation and steam reforming of n-octane[J]. KOREAN JOURNAL OF CHEMICAL ENGINEERING,2003,20(2):288-292.
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