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CuO/Ti_(0.5)Zr_(0.5)O_2催化剂对NO+CO反应的催化作用 被引量：5

The Catalytic Properties of CuO/Ti_(0.5)Zr_(0.5)O_2 Catalysts for NO+CO Reaction
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摘要 Using Ti0.5Zr0.5O2(TZ) as carrier, the CuO/TZ catalysts were prepared by impregnation method with Cu(NO3)2 as active component, their activities were investigated by using a microreactor-GC NO+CO reaction system, TPR, TG-DTA, XRD and NO-TPD. Experimental results showed that the fine crystallite of CuO on TZ played an important role in NO+CO reaction besides the highly dispersed Cu species, and crystalline ZrTiO4 enhanced the activities of catalysts. NO-TPD analysis inferred that the high temperature adsorption site was probably Cu2+ and low temperature adsorption site was Cu0. Using Ti0.5Zr0.5O2(TZ) as carrier, the CuO/TZ catalysts were prepared by impregnation method with Cu(NO3)2 as active component, their activities were investigated by using a microreactor-GC NO+CO reaction system, TPR, TG-DTA, XRD and NO-TPD. Experimental results showed that the fine crystallite of CuO on TZ played an important role in NO+CO reaction besides the highly dispersed Cu species, and crystalline ZrTiO4 enhanced the activities of catalysts. NO-TPD analysis inferred that the high temperature adsorption site was probably Cu2+ and low temperature adsorption site was Cu0.
作者 丁光辉 蒋晓原 王月鹃 郑小明
机构地区 浙江大学理学院化学系催化研究所 浙江师范大学化学系
出处 《无机化学学报》 SCIE CAS CSCD 北大核心 2004年第7期805-811,共7页 Chinese Journal of Inorganic Chemistry
关键词 环境治理 一氧化氮 一氧化碳 催化作用 氧化铜 钛锆复合氧化物 负载型催化剂 空气污染 Ti_(0.5)Zr_(0.5)O_2 compound oxides catalysts ZrTiO_4 phase NO+CO reaction
分类号 X51 [环境科学与工程—环境工程] O643.36 [理学—物理化学]
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无机化学学报
2004年 第7期

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