期刊
CATALYSIS COMMUNICATIONS
卷 5, 期 8, 页码 391-396出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.catcom.2004.05.004
关键词
catalytic decomposition; chlorinated VOCs; ternary mixtures; H-zeolites
The objective of this study was to analyse the mixture effects on activity and product selectivity observed in the catalytic oxidative decomposition of a model gas containing three chlorinated organic molecules, namely, 1,2-dichloroethane, dichloromethane and trichloroethylene, over various protonic zeolites (H-ZSM-5, H-MOR and chemically dealuminated H-Y zeolites). Mutual inhibition of destruction efficiency was found in the ternary mixture, indicating that the conversion of a given compound was retarded by the other two compounds. Among the zeolite catalysts investigated, the chemically dealuminated Y zeolite showed the best catalytic performance due to its optimal combination of strong Bronsted sites and pore structure. (C) 2004 Elsevier B.V. All rights reserved.
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