Promoting effect of sol-gel method and pre-treatment on the activity of SnO2/Al2O3 catalyst for NO reduction by propene |
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| Authors: | Zhiming Liu Jiming Hao Lixin Fu Tianle Zhu Junhua Li Xiangyu Cui |
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| Affiliation: | (1) Department of Environmental Science and Engineering, Tsinghua University, Beijing, 100084, People's Republic of China |
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| Abstract: | SnO2/Al2O3 catalyst prepared by sol-gel method showed higher activity than those prepared by impregnation method, and their activity was significantly improved by pre-treatment in the reaction gas. The increased activity is closely related to the agglomeration of SnO2 species and the re-exposure of Al2O3, which was previously covered by dispersed SnO2 species. This revised version was published online in June 2006 with corrections to the Cover Date. |
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| Keywords: | pre-treatment Sol-gel method NO reduction SnO2/Al2O3 |
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