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学科主题: 物理化学
题名: Production of Hydrogen by Steam Reforming of Bio-ethanol over Ceria-supported Metal Catalysts
作者: Zhang BC(张保才) ;  Tang XL(唐晓兰) ;  Li Y(李勇) ;  Xu YD(徐奕德) ;  Shen WJ(申文杰)
会议名称: 13th International Congress on Catalysis
会议日期: 2004-07-11
出版日期: 2004-07-11
会议地点: 法国
其他题名: 氧化铈担载的金属催化剂上生物质乙醇水蒸汽重整制氢
通讯作者: 申文杰
部门归属: 五室
摘要: Novel ceria-supported Ni,Ir,Co and Cu catalysts with metal loadings ranging from 2-5% were extensively studied for hydrogen production by steam reforming of bio-ethanol. The temperature dependence of hydrogen yield and ethanol conversion over these catalysts demonstrated that the Ir/CeO2 catalyst showed the highest activity,especially in the temperature range between 623K and 773K, which is favorable for the steam reforming of ethanol reaction. The Ni/CeO2 catalyst exhibited the highest ethanol conversion at 523K,mainly due to the decomposition of ethanol to methane, carbon monoxide and hydrogen. The activity for the steam reforming over Co/CeO2 steeply increases with the reaction temperatures,and it always produces a little methane. However,with continous increase in the reaction temperature, Cu/CeO2 initially gave less ethanol conversion,followed by a sharp increase and a steady drop again, during which a wide product distribution was observed.A careful analysis of intermediates spectra implied that different reaction pathways proceeded over these catalysts, mainly governed by the active metal employed.
语种: 中文
内容类型: 会议论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/111508
Appears in Collections:中国科学院大连化学物理研究所_会议论文

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Recommended Citation:
Zhang BC,Tang XL,Li Y,et al. Production of Hydrogen by Steam Reforming of Bio-ethanol over Ceria-supported Metal Catalysts[C]. 见:13th International Congress on Catalysis. 法国. 2004-07-11.
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