한국대기환경학회지 (Journal of Korean Society for Atmospheric Environment)

  • 제18권3호
  • /
  • Pages.205-212
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  • 2002
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  • 1598-7132(pISSN)
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  • 2383-5346(eISSN)
한국대기환경학회 (Korean Society for Atmospheric Environment)
권호 표지

폐 산업용 촉매를 이용한 휘발성유기화합물의 제거 -Pt 계 촉매의 전처리 효과-

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

  • 김상채 (목포대학교 환경교육과) ;
  • 서성규 (여수대학교 건설환경공학부)
  • 발행 : 2002.06.01
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초록

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.

키워드

참고문헌

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