Korean Chemical Engineering Research

The Korean Institute of Chemical Engineers (한국화학공학회)
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Experimental Evaluation Method of Mass Transfer Coefficient on Biotrickling Filtration for Air Pollution Control

대기오염제어를 위한 생물살수여과법에서 물질전달계수 실험평가방법에 관한 연구

  • Won, Yang-Soo (Department of Environmental Engineering, Yeungnam University) ;
  • Jo, Wan-Keun (Department of Environmental Engineering, Kyungpook National University)
  • Received : 2014.09.02
  • Accepted : 2015.03.06
  • Published : 2015.08.01
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Abstract

Biological treatment is promising alternative to conventional air pollution control method. Bioreactors for air pollution control have found most of their success in the treatment of dilute and high flow waste air streams containing volatile organic compounds and odor. The studies of mass transfer in biotrickling filters for air pollution control were of importance in order to control and optimize the purification process. The objectives of this study were to develop the experimental methodologies to evaluate the mass transfer coefficients of gas/liquid(trickling liquid), gas/solid(biomass) and liquid/solid in three phase biotrickling filtration. Also, this study characterized the influence factors on mass transfer such as dynamic holdup volume, gas/liquid flow rate ratio, biomass weight in reactor and recirculation rate of trickling medium for each phase of biotrickling filter.

생물학적 방법에 의한 대기오염물질 처리는 기존의 처리방법을 대체할 수 있는 방법으로 각광을 받고 있다. 생물학적 처리방법은 유기화합물 또는 악취가 포함된 저농도 고유량의 공기를 처리하는데 효과적이다. 생물살수여과법을 이용한 대기오염물질 제거에서 물질전달 연구는 공정 최적화를 위해 매우 중요한 부분이다. 본 연구에서는 3상의 물질전달이 이루어지는 생물살수여과법에서 기체/액체(살수액), 기체/고체(미생물), 액체/고체 물질전달 실험방법 개발과 물질전달 현상을 고찰하였다. 또한 본 연구에서는 각 상간에서 물질전달에 영향을 미치는 인자로 동적적체량, 기/액 유량비, 반응기내 미생물량, 살수액 순환량 등에 대해 고찰하였다.

Keywords

References

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Cited by

  1. Mass Transfer Model and Coefficient on Biotrickling Filtration for Air Pollution Control vol.53, pp.4, 2015, https://doi.org/10.9713/kcer.2015.53.4.489