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题名: Preparation and characterization of Ir-based catalysts on metallic supports for high-temperature steam reforming of methanol
作者: Jia, Jingsheng1, 2;  Zhou, Jin1;  Zhang, Chunxi1;  Yuan, Zhongshan1;  Wang, Shujuan1;  Cao, Lei1;  Wang, Shudong1
通讯作者: 王树东
关键词: metallic support ;  hydrogen production ;  high temperature ;  methanol ;  steam reforming
刊名: APPLIED CATALYSIS A-GENERAL
发表日期: 2008-06-15
DOI: 10.1016/j.apcata.2007.11.006
卷: 341, 期:1-2, 页:1-7
收录类别: SCI
文章类型: Article
部门归属: 9
项目归属: 901
产权排名: 1;1
WOS标题词: Science & Technology ;  Physical Sciences ;  Life Sciences & Biomedicine
类目[WOS]: Chemistry, Physical ;  Environmental Sciences
研究领域[WOS]: Chemistry ;  Environmental Sciences & Ecology
英文摘要: Ir-based catalysts on heat-resisting foil supports with different washcoats were investigated for hydrogen production by high-temperature steam reforming of methanol. Al2O3, Ce0.8Zr0.2O2-Al2O3, Ce0.8Zr0.2O2/Al2O3 and Ce0.8Zr0.2O2 Coatings were prepared on the metallic supports and iridium was deposited on them as the active component. The samples were characterized by X-ray powder diffraction (XRD), ultrasonic vibration test, scanning electron microscope (SEM) and temperature-programmed reduction (TPR). The performance of the catalysts for steam reforming of methanol was evaluated with a fixed-bed reactor. It was found that the phase structure, the shape of the surface particles and the coating adherence were different from each other for the four kinds of coatings. The activities, selectivities and stabilities of these Ir-based catalysts on metallic supports were compared to select the optimal one for use in high-temperature methanol steam reforming. The results indicated that the Ir/Ce0.8Zr0.2O2/Al2O3/FeCrAl catalyst showed better performance than the other catalysts, which is a promising candidate for hydrogen production via the methanol steam reforming process in Pd membrane reactors. (c) 2007 Elsevier B.V. All rights reserved.
关键词[WOS]: GAS-SHIFT REACTION ;  HYDROGEN-PRODUCTION ;  GAMMA-AL2O3 LAYERS ;  PARTIAL OXIDATION ;  REACTOR CONCEPTS ;  DECOMPOSITION ;  WASHCOATS ;  PALLADIUM ;  ADHESION ;  SYSTEM
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000256873900001
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/100493
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, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China

Recommended Citation:
Jia, Jingsheng,Zhou, Jin,Zhang, Chunxi,et al. Preparation and characterization of Ir-based catalysts on metallic supports for high-temperature steam reforming of methanol[J]. APPLIED CATALYSIS A-GENERAL,2008,341(1-2):1-7.
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