期刊
APPLIED SURFACE SCIENCE
卷 254, 期 7, 页码 2023-2030出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.apsusc.2007.08.030
关键词
catalysis in nanotechnology; electrical conductivity of metals thin films; microwave technology; decomposition reactions; skin effect
Microwave (MW)-activated catalytic reactor system was studied and the results were compared with that of a conventional system based on the thermal activation method. Trichloroethylene (TCE) was decomposed under various MW-powers supply. Results showed that there is an optimum film thickness that was loaded on supports in MW heating system. The threshold may be within 1-3 mu m. Lower temperature cannot activate the catalyst, while higher temperature results in carbon deposition and catalyst deactivation. This means that the dechlorination reaction needs to fix an optimum film MW-power supply in order to avoid the deposition of carbon on the surface of the active phase. MW-activated system is also worth compensating the conventional system in VOCs decomposition reaction. (C) 2007 Elsevier B.V. All rights reserved.
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