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Study of CuO/Ce0.8Zr0.2O2 catalysts for low-temperature CO oxidation |
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| Authors: | Shu-Ping Wang Xiao-Ying Wang Xiu-Cheng Zheng Shu-Rong Wang Shou-Min Zhang Wei-Ping Huang and Shi-Hua Wu |
| Institution: | (1) Department of Chemistry, Nankai University, Tianjin 300071, China;(2) Department of Chemistry, Nankai University, Tianjin 300071, China;(3) Department of Chemistry, Zhengzhou University, Zhengzhou 450052, China;(4) Department of Chemistry, Nankai University, Tianjin 300071, China;(5) Department of Chemistry, Nankai University, Tianjin 300071, China;(6) Department of Chemistry, Nankai University, Tianjin 300071, China;(7) Department of Chemistry, Nankai University, Tianjin 300071, China |
| Abstract: | Summary Copper oxide catalysts supported on Ce0.8Zr0.2O2 were prepared via an impregnation method and characterized by XRD and H2-TPR techniques. The catalytic activity of the samples for low-temperature CO oxidation was investigated by means of a microreactor-GC system. The influence of calcination temperature, calcination time and different CuO content on the catalytic activity was studied. TPR analysis indicated that well-dispersed CuO was responsible for the low-temperature CO oxidation. The results of the investigation showed that the calcination temperature and CuO loadings had larger influence than the calcination time. |
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