Role of Rh promoter on increasing stability of Au/Al2O3 catalyst for CO oxidation at low temperature |
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| Authors: | Xiaohong Wang Guanzhong Lu Yun Guo Zhigang Zhang Yanglong Guo |
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| Affiliation: | (1) Key Laboratory for Advanced Materials, Research Institute of Industrial Catalysis, East China University of Science and Technology, Shanghai, China;(2) Institute of NanoMicroEnergy, Shanghai University, Shanghai, China |
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| Abstract: | The Au/Al2O3 and Au–Rh/Al2O3 catalysts were prepared by deposition–precipitation. The promotional effect of Rh on the performance of the Au/Al2O3 catalyst for CO oxidation was studied. The results indicate that using Au/Al2O3 catalyst, CO can be completely oxidized at 0°C or much lower temperature but the catalyst deactivated very fast. Rh can improve the stability of Au/Al2O3 catalyst more than 10 times, which gives an important hint to develop high stable catalyst for CO oxidation at low temperature. |
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