A Ce–Sn–Ox catalyst for the selective catalytic reduction of NOx with NH3 |
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| Affiliation: | 1. Key Lab for Green Chemical Technology of Ministry of Education, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China;2. National Engineering Research Center for Distillation Technology, Tianjin 300072, China;1. Research Center for Environment and Health, School of Information and Safety Engineering, Zhongnan University of Economics and Law, Wuhan, Hubei 430073, PR China;2. Center for Water and Ecology, School of Environment, Tsinghua University, Beijing 100084, PR China;3. WISDRI City Environment Protection Engineering Co., LTD, Wuhan, Hubei 430200, PR China;4. School of Resource and Environmental Sciences, Wuhan University, Wuhan, Hubei 430079, PR China |
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| Abstract: | A series of Ce–Sn–Ox catalysts prepared by the facile coprecipitation method exhibited good catalytic activity in a broad temperature range from 100 °C to 400 °C for the selective catalytic reduction of NOx with NH3 at the space velocity of 20,000 h? 1. The Ce4Sn4Ox catalyst calcined at 400 °C showed high resistance to H2O, SO2, K2O and PbO under our test conditions. The better catalytic performance was associated with the synergistic effect between CeO2 and SnO2, which strengthened the NH3 and NOx adsorption capacity on the surface of the catalyst. |
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