期刊
CATALYSIS TODAY
卷 73, 期 3-4, 页码 333-342出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/S0920-5861(02)00017-2
关键词
trichloroethylene; two-component mixtures; volatile organic compounds; La0.5Ag0.5MnO3
The activity of two noble metal catalysts (Pt and Pd) on metallic monolithic support and one perovskite (La0.5Ag0.5MnO3) on cordierite monolith was tested in the oxidation of selected volatile organic compounds (VOCs) and trichloroethylene (TCE), oxidized alone and in two-component mixtures of TCE with a non-halogenated compound. Only over the Pt catalyst each compound in the reaction mixtures strongly enhanced TCE oxidation. Over Pd, promoting effect on TCE oxidation was observed for toluene and ethanol only. Over perovskite, each non-chlorinated compound was found to inhibit TCE oxidation. The presence of TCE was found to inhibit the oxidation of each compound added over both noble metal catalysts, but it had no influence on the oxy-derivatives oxidation over the perovskite catalyst. (C) 2002 Elsevier Science B.V. All rights reserved.
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