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A Study on the removal characteristics of VOCs and Odors with Biofilter

Biofilter에 의한 VOCs 및 악취물질의 제거특성에 관한 연구

  • Park Jin-Do (School of Chemical Engineenng & Bioengineenng, University) ;
  • Suh Jung-Ho (Department of Environmental & Life Chemistry, Ulsan College) ;
  • Lee Hak-Sung (School of Chemical Engineenng & Bioengineenng, University)
  • 박진도 (울산대학교 생명과학공학부) ;
  • 서정호 (울산과학대학 환경생활화학과) ;
  • 이학성 (울산대학교 생명과학공학부)
  • Published : 2005.09.01

Abstract

The objective of this research was to investigate the removal efficiencies ofVOCs and odors with newly developed biofilter which was designed to sustain the biofilm constantly on the packed media. Initially, four types of media, for example, fiber, activated carbon, ceramic and the mixture of activated carbon and ceramic(AIC mixture J, were used for packed materials of biofilter. When ethylalcohol was selected as a test gas for media efficiency, fiber and AIC mixture had better removal efficiencies of ethyl alcohol than others. Removal efficiencies for acetaldehyde, ethyl alcohol, butylalcohol, ethylacetate and diethylamine in biofilter with fiber and AIC mixture as packed media were increased as the residence time increased. Butylalcohol, especially, showed the maximum removal efficiency among all used VOCs and odors. In case of ethyl acetate, the difference of removal efficiencies between low and high residence times was wide remarkably.

Keywords

Biofilter;Rasching ring;Diethylamine;Acetaldehyde;Ethylacetate;Odor;VOCs

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