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题名: Steam reforming of bio-ethanol for the production of hydrogen over ceria-supported Co, Ir and Ni catalysts
作者: Zhang, BC;  Tang, XL;  Li, Y;  Cai, WJ;  Xu, YD;  Shen, WJ
关键词: bio-ethanol ;  hydrogen ;  steam reforming ;  ceria ;  catalytic stability
刊名: CATALYSIS COMMUNICATIONS
发表日期: 2006-06-01
DOI: 10.1016/j.catcom.2005.12.014
卷: 7, 期:6, 页:367-372
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Physical
研究领域[WOS]: Chemistry
英文摘要: Ceria-supported Co, Ir and Ni catalysts were investigated for steam reforming of ethanol in the temperature range of 300-700 degrees C with respect to the nature of the active metals and the catalytic stability. At low temperatures, ethanol dehydrogenation to acetaldehyde and ethanol decomposition to methane and carbon monoxide were the primary reactions, depending on the active metals. At higher temperatures where all the ethanol and the intermediate compounds, like acetaldehyde and acetone, were completely converted into hydrogen, carbon oxides and methane, steam reforming of methane and reverse water gas shift were the major reactions, which determined the outlet gas composition. More importantly, long-term stability test revealed that the Ir/CeO2 catalyst showed rather stable catalytic performance for 300 h time-on-stream without any deactivation. The improvement was attributed to the effective prevention of the sintering of the highly dispersed Ir particles through the strong interaction between Ir and CeO2 and to the significant resistance to coke deposition of ceria based on its higher oxygen storage-release capacity. (c) 2005 Elsevier B.V. All rights reserved.
关键词[WOS]: CE
语种: 英语
WOS记录号: WOS:000237725100009
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/140184
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, Peoples R China

Recommended Citation:
Zhang, BC,Tang, XL,Li, Y,et al. Steam reforming of bio-ethanol for the production of hydrogen over ceria-supported Co, Ir and Ni catalysts[J]. CATALYSIS COMMUNICATIONS,2006,7(6):367-372.
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