Kinetics of the Selective Reduction of NO with CH4 Over an In-Fe2O3/HZSM-5 Catalyst |
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| Authors: | Xiaodong Wang Weicheng Liu Tao Zhang Xiaoying Sun Dongbai Liang and Liwu Lin |
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| Institution: | (1) State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, P.O. Box 110, Dalian, 116023, China |
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| Abstract: | A kinetic model presented for the selective reduction of NO with CH4 over an In-Fe2O3/HZSM-5 catalyst by considering the process as a combination of two simultaneous reactions: NO+O2+CH4 (reaction 1) and O2+CH4 (reaction 2). Linear regression calculation was employed to find the kinetic parameters. It was found that although the activation energies of the two reactions were almost identical, the reaction rate constants were dramatically different, namely, k1 k2, indicating that the NO+O2+CH4 reaction was more preferable to take place on the In-Fe2O3/HZSM-5 catalyst as compared with the O2+CH4 reaction. |
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| Keywords: | Kinetics In-Fe2O3/HZSM-5 nitrogen oxide selective reduction methane |
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