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CuO在ZrO_2上的分散状态及其对催化性能的影响 被引量:15

The Dispersed States of Copper Species on CuO/ZrO_2 Catalysts and Its Influence on the Catalytic Performance
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摘要 用XRD、TPR和TPD-MS等手段表征了浸渍法制备的CuO/ZrO2催化剂,发现ZrO2上高度分散的氧化钢具有显著的易被还原和再氧化的特性,从而导致催化剂具有高的CO氧化活性. Copper/Zirconia catalysts were prepared by impregnation method andcharacterized by XRD, TPR and TPD-MS. It was concluded that four oxygen desorption peaks fromtwo different temperature ranges were related to oxygen species of surface adsorption,highly-dispersed copper oxide on ZrO2 and CuO phase, respectively, and the highly-dispersedcopper oxide was easily reduced, which leads to a dramatic increase in oxidation activity.
出处 《高等学校化学学报》 SCIE EI CAS CSCD 北大核心 1997年第11期1854-1857,共4页 Chemical Journal of Chinese Universities
基金 浙江省教育委员会基金
关键词 氧化铜 氧化锆 分散状态 催化性能 催化剂 CuO, ZrO_2, Dispersed state, Catalytlc performance
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  • 1季伟捷,分子催化,1992年,6卷,2期
  • 2Kung H H,Adv Catal,1986年,97卷,121页

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