DICP OpenIR
学科主题物理化学
Hydrogen production from ethanol over Ir/CeO2 catalysts: Reaction pathway and stability
Cai WJ(蔡伟杰); Zhang BC(张保才); Liu QY(刘琪英); Xu YD(徐奕德); Shen WJ(申文杰)
会议名称europacat VIII conference
会议日期2007-8-26
2007-08-26
会议地点芬兰
其他题名Ir/CeO2催化剂上乙醇制氢:反应路径和稳定性
页码2/10
部门归属五室
主办者Scientific committee
英文摘要Stability tests of hydrogen production from ethanol by steam reforming,partial oxidation and oxidative steam reforming were conducted over Ir/CeO2 catalysts at 923K with approximately stoichiometric feed streams.Rather stable catalytic performance for 60h time on stream was observed. Structure analysis of the used catalysts revealed that the Ir particles(2-3 nm)were still highly dispersed on surface of ceria, but the particle size of ceria increased from 6 nm to 14-27 nm,depending on the reaction atmosphere. However, this change in particle size did not influence on the activity and stability.We suppose that the excellent redox features of ceria made the easy activation of water and/or oxygen for promoting the carbon removal. The equilibrium between coke formation and gasification was established during the reactions.
语种中文
文献类型会议论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/112584
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
Cai WJ,Zhang BC,Liu QY,et al. Hydrogen production from ethanol over Ir/CeO2 catalysts: Reaction pathway and stability[C],2007:2/10.
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