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《CHINESE JOURNAL OF APPLIED CHEMISTRY》 1997-01
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Catalytic Properties of CuO/CeO 2 and CuO/Al 2O 3 Catalysts

Zhong Yijun * (Department of Chemistry,Zhejiang Normal University,Jinhua 321004) Chen Ping, Zhou Bi, Luo Mengfei (Institute of Catalysis,Hangzhou University,Hangzhou)  
The oxidation activity of CuO supported on CeO 2 and Al 2O 3 was investigated using the oxidation of carbon monoxide as a model reaction. The reducibility and Cu oxide species of the catalysts were studied by XRD and TPR techniques. The susceptibility of CO to oxidation strongly depends on the support: the catalytic activity of CuO/CeO 2 is much higher than that of CuO/Al 2O 3. It is found that the existing forms of copper species, crystal particle size of CuO, the reducibility and activity of catalysts are affected by thermal treatment. The formation of CuAl 2O 4 spinal species at high temperature is the main reason for activity decrease of CuO/Al 2O 3 catalyst, and the increase of crystal particle size of CuO is the main reason for activity decrease of CuO/CeO 2.
【Fund】: 浙江省应用化学重点实验室资助
【CateGory Index】: O643.361
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