Utilization of Spent Catalysts for the Removal of VOCs

휘발성 유기화합물 제거를 위한 폐 촉매의 이용

  • Kim, Sang Chai (Department of Environmental Education, Mokpo National University) ;
  • Shim, Wang Geun (Faculty of Applied Chemical Engineering, Chonnam National University)
  • 김상채 (목포대학교 환경교육과) ;
  • 심왕근 (전남대학교 응용화학공학부)
  • Received : 2007.07.05
  • Published : 2007.08.10


Various commercial catalysts used in chemical related applications have been disposed as an industrial waste when the catalytic activity of catalysts is not good enough to achieve an optimum yield. In addition, the amount of disposed three way catalysts (TWC) has been continuously increased. Considering the physicochemical, environmental, and economical characteristics, the deactivated spent catalysts can be treated in several alternative ways such as regeneration, recycling, and disposal. In view of the environmental and economical matters, the spent catalyst should be regenerated and used for the various purposes, although its activity is not as good as a fresh catalyst. On the other hand, spent catalysts containing noble and metal oxides can be applicable for the catalytic oxidation of volatile organic compounds (VOCs) by applying the proper treatment method. Therefore in this review the quantity of the spent catalysts and the available regeneration methods for the spent catalysts are briefly summarized and especially the proper regeneration method for applying the catalytic oxidation of VOCs and its results are introduced.


catalytic oxidation;regeneration;treatment method;spent catalyst;VOCs


Supported by : 환경부


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