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

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 Ag...

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Bibliographic Details
Published in:Catalysis science & technology 2014-01, Vol.4 (8), p.2589-2598
Main Authors: Liu, Yang, Li, Xiao-Song, Shi, Chuan, Liu, Jing-Lin, Zhu, Ai-Min, Jang, Ben W.-L
Format: Article
Language:English
Subjects:
Adsorption
Benzene
Catalysis
Catalysts
Manganese
Oxidation
Ozone
Silver
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Summary: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 CO 2 by O 3 catalyzed by Ag on HZ. MnO x , on the other hand, further speeds up the OZCO rate of benzene adsorbed on Ag/HZ. Investigation of ozone catalytic oxidation of adsorbed benzene over AgMn/HZSM-5 to provide insight into plasma catalytic oxidation of adsorbed benzene in the cycled storage-discharge process.
ISSN:2044-4753
2044-4761
DOI:10.1039/c3cy01102j