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Ozone catalytic oxidation of adsorbed benzene over AgMn/HZSM-5 catalysts at room temperature

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Indexed by:期刊论文

Date of Publication:2014-08-01

Journal:CATALYSIS SCIENCE & TECHNOLOGY

Included Journals:SCIE、EI、Scopus

Volume:4

Issue:8

Page Number:2589-2598

ISSN No.:2044-4753

Abstract:To provide insight into the mechanism of plasma catalytic oxidation of adsorbed benzene in a cycled storage-discharge (CSD) plasma catalytic process, ozone catalytic oxidation (OZCO) of adsorbed benzene over the AgMn/HZSM-5 (AgMn/HZ) catalyst at room temperature was studied. The properties of the AgMn/HZ catalyst were compared with those of HZ, Mn/HZ, Ag/HZ catalysts in investigations of the TPD of adsorbed benzene, the product distribution and O-3 decomposition in OZCO of adsorbed benzene, and TPO and TPD of the used catalysts. For the AgMn/HZ catalyst, the adsorption capacity and the adsorption strength of benzene were significantly improved as compared to HZ, Ag/HZ and Mn/HZ. Adsorbed benzene is oxidized completely to CO2 by O-3 catalyzed by Ag on HZ. MnOx, on the other hand, further speeds up the OZCO rate of benzene adsorbed on Ag/HZ.

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