CuO催化剂的研究进展.pdfVIP

学兔兔 化 工 进 展 ·1224· CHEMICAL INDUSTRY AND ENGINEERING PROGRESS 201 1年第30卷第6期 富H2中优先氧化CO的CeO2／CuO催化剂的研究进展 王 艳，张文丽，王 奇，王鹏展，苏海全，曾尚红 (内蒙古大学化学化工学院，内蒙古自治区稀土材料化学与物理重点实验室，内蒙古 呼和浩特 010021) 摘 要：逆负载型CeO2／CuO催化剂是富H2中优先氧化CO的一种新型催化剂，其活性较传统CuO CeO，催化剂 高。本文综述了CeO2／CuO催化荆的制备方法，着重介绍了逆微乳液法和浸渍法，对CeO ／CuO催化剂的尺寸效 应和界面效应对催化剂性能的影响作了大胆的猜测，对未来CeOffCuO催化剂的研究趋势提出了建议，旨在找到 CuO和CeO 颗粒的最优组合，提高催化剂的选择性和稳定性。 关键词：氧化铈；氧化铜；CO优先氧化；尺寸效应；界面效应 中图分类号：TQ 426．94 文献标志码：A 文章编号：1000—6613(2011)06—1224—07 Research progress of inverse CeO2／CuO catalyst on low—temperature oxidation of CO in H2 rich gas WANG Yan，ZHANG Wenli，WANG Oi，WANG Pengzhan，SUHaiquan，ZENG Shanghong (Inner Mongolia Key Laboratory of Chemistry and Physics of Rare Earth Materials，School of Chemistry and Chemical Engineering，Inner Mongolia University，Hohhot 010021，Inner Mongolia，China) Abstract：An inverse CeO2／CuO catalyst is a novel catalyst for lOW．temperature oxidation of CO in H， rich gas，with higher activity than traditional CuO／CeO2 catalysts．This paper summarizes the preparation methods of CeO2／CuO catalysts，including inverse microemulsion and impregnation methods，and speculates the influence of size effect and interfacial effect on the performance of CeO2[CuO catalysts．Moreover，it presents the development of CeO2／CuO catalysts in the future，in order to look for the appropriate size of CuO and CeO2 particles and improve selectivity and stability of CeO2／CuO catalysts for CO preferential oxidation． Key words：cerium oxide；copper oxide；CO—PROX：size effect；interfacial effect 燃料电池是一