TPD and TPR studies on the reaction between adsorbed NOx species and CH4 over Cu-zeolite |
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| Authors: | Kohei Okumura Masahide Shimokawabe and Nobutsune Takezawa |
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| Institution: | (1) Division of Materials Science and Engineering, Graduate School of Engineering, Hokkaido University, Sapporo, 060-8628, Japan |
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| Abstract: | NO3-type and NO2-type adsorbed species are formed on Cu-ZSM-5 together with adsorbed O species at 523 K in the decomposition of NO accompanied by the evolution of N2, N2O, and NO2. NO3-type adsorbed species formed on Cu-ZSM-5 is well reduced with CH4 around 570 - 600K, while NO2-type adsorbed species formed on Cu-ZSM-5 was less active on the reduction with CH4. |
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| Keywords: | NOx-type adsorbed species CH4 Cu-ZSM-5 NO reduction |
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