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    Please use this identifier to cite or link to this item: http://ir.lib.ncu.edu.tw/handle/987654321/50159


    Title: Low-Temperature Catalytic Oxidation of Monochlorobenzene by Ozone over Silica-Supported Manganese Oxide
    Authors: Liang,HS;Wang,HC;Chang,MB
    Contributors: 環境工程研究所
    Keywords: CHLOROBENZENE;DECOMPOSITION;POLLUTANTS;COMBUSTION;TITANIUM;BENZENE;DIOXIDE
    Date: 2011
    Issue Date: 2012-03-27 17:04:59 (UTC+8)
    Publisher: 國立中央大學
    Abstract: In this study, we investigated the use of a silica-supported manganese oxide prepared through the impregnation method for the low-temperature (<150 degrees C) ozone catalytic oxidation (OZCO) of gaseous monochlorobenzene (MCB). Moreover, the effects of various operating parameters including the reaction temperature, ozone concentration, and space velocity (SV) on MCB removal were also evaluated. In the absence of ozone, MCB conversion achieved over 10 wt % MnO(x)/SiO(2) was only 15% at 250 degrees C; the conversion increased to 90.4% over 10 wt % MnO(x)/SiO(2) when 900 ppm of ozone was added at 120 degrees C and SV = 300 000 h(-1). In the kinetic analysis, the power-rate law feasibly describes the data of MCB oxidation via OZCO reaction. For temperatures lower than 120 degrees C, the activation energy and frequency factor were 10.5 kJ mol(-1) and 8.05 x 10(2) L(1.187) mol(-0.187) g(-1) s(-1), respectively. Furthermore, the economic feasibility analysis conducted by comparing the cost of the OZCO process relative to that of general catalytic oxidation using V(2)O(5)-based catalysts indicates that the OZCO process is more cost-effective for the removal of MCB from flue gas.
    Relation: INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
    Appears in Collections:[環境工程研究所 ] 期刊論文

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