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学科主题: 物理化学
题名: Hydrogen Production by reforming of bio-ethanol over Ir/CeO2 catalysts
作者: Cai WJ(蔡伟杰) ;  Zhang BC(张保才) ;  Wang FG(王发根) ;  Huang XM(黄秀敏) ;  Shen WJ(申文杰)
会议名称: Post-conference of 14th-ICC (catalyst for Hydrogen Energy production and utilization)
会议日期: 2008-7-20
出版日期: 2008-07-20
会议地点: 韩国
其他题名: Ir/CeO2催化剂上生物乙醇重整制氢
通讯作者: 申文杰
部门归属: 五室
主办者: 国际催化大会组委会
摘要: Reforming of bio-ethanol over Ir/CeO2 catalysts were studied to elucidate the reaction mechanism and to determine catalytic stability. Ethoxy species were immediately formed upon ethanol adsorption at room temperature, and most of them were further oxidized to acetate and carbonate species that finally decomposed into CH4, CO and CO2, respectively. Under reaction conditions, acetaldehyde acted as the key intermediate, which mainly decomposed to methane and carbon monoxide. The Ir/CeO2 catalyst showed rather high stability for the reactions at 923 K without apparent deactivation for 60 h on- stream even with stoichimetric compositions; the Ir particles were still 2–3 nm, but the ceria particles were enlarged significantly.
语种: 中文
内容类型: 会议论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/113272
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:
Cai WJ,Zhang BC,Wang FG,et al. Hydrogen Production by reforming of bio-ethanol over Ir/CeO2 catalysts[C]. 见:Post-conference of 14th-ICC (catalyst for Hydrogen Energy production and utilization). 韩国. 2008-7-20.
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