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Removing Volatile Organic Compound using the Waste Industrial Catalyst - The effect of pretreatment on Pt-based catalyst  

김상채 (목포대학교 환경교육과)
서성규 (여수대학교 건설환경공학부)
Publication Information
Journal of Korean Society for Atmospheric Environment / v.18, no.3, 2002 , pp. 205-212 More about this Journal
Abstract
The catalytic combustion of benzene, toluene and xylene over Pt-based catalyst was investigated in a fixed bed flow reactor system with atmospheric pressure to recycle the waste industrial catalyst for the processes of removing volatile organic compounds. According to the pretreatment condition, the properties of the waste Pt-based catalyst were characterized by XRD (X-ray diffraction) and BET (Brunauer-Emmett-Toller). In the carte of air pretreatment, 20$0^{\circ}C$ was found to be optimal, and increasing pretreatment temperature resulted in the reduction of the catalytic activity. When Pt-based catalyst pretreated at 20$0^{\circ}C$ by alto was retreated by hydrogen, the catalytic activity increased by increasing treatment temperature. In the case of HNO$_3$aqueous solution pretreatment, the catalytic activity decreased by increasing the concentration of HNO$_3$aqueous solution. The catalytic activity was seen to observe the following sequence : benzene > toluene > xylene.
Keywords
waste industrial catalyst; pretreatment; volatile organic compounds; catalytic combustion;
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Times Cited By KSCI : 1  (Citation Analysis)
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