Subject Area物理化学
Hydrogen Production by reforming of bio-ethanol over Ir/CeO2 catalysts
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)
Conference NamePost-conference of 14th-ICC (catalyst for Hydrogen Energy production and utilization)
Conference Date2008-7-20
Conference Place韩国
Alternative TitleIr/CeO2催化剂上生物乙醇重整制氢
Funding Organization国际催化大会组委会
AbstractReforming 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.
Document Type会议论文
Corresponding AuthorShen WJ(申文杰)
Recommended Citation
GB/T 7714
Cai WJ,Zhang BC,Wang FG,et al. Hydrogen Production by reforming of bio-ethanol over Ir/CeO2 catalysts[C],2008:123/2.
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