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学科主题物理化学
Production of Hydrogen by Steam Reforming of Bio-ethanol over Ceria-supported Metal Catalysts
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
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
页码237/1
部门归属五室
英文摘要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
文献类型会议论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/111508
专题中国科学院大连化学物理研究所
通讯作者Shen WJ(申文杰)
推荐引用方式
GB/T 7714
Zhang BC,Tang XL,Li Y,et al. Production of Hydrogen by Steam Reforming of Bio-ethanol over Ceria-supported Metal Catalysts[C],2004:237/1.
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