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Steam reforming of bio-ethanol for the production of hydrogen over ceria-supported Co, Ir and Ni catalysts
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
2006-06-01
DOI10.1016/j.catcom.2005.12.014
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
关键词[WOS]CE
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.
语种英语
WOS记录号WOS:000237725100009
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被引频次:139[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/140184
专题中国科学院大连化学物理研究所
作者单位Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
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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.
APA Zhang, BC,Tang, XL,Li, Y,Cai, WJ,Xu, YD,&Shen, WJ.(2006).Steam reforming of bio-ethanol for the production of hydrogen over ceria-supported Co, Ir and Ni catalysts.CATALYSIS COMMUNICATIONS,7(6),367-372.
MLA Zhang, BC,et al."Steam reforming of bio-ethanol for the production of hydrogen over ceria-supported Co, Ir and Ni catalysts".CATALYSIS COMMUNICATIONS 7.6(2006):367-372.
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