Journal of Korean Society for Atmospheric Environment (한국대기환경학회지)

Korean Society for Atmospheric Environment (한국대기환경학회)
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A Study on the Change of Condensable Particulate Matter by the SO2 Concentration among Combustion Gases

연소 배출가스 중 SO2 농도에 따른 응축성먼지 변화에 관한 연구

  • Yu, JeongHun (Department of Environmental Engineering, Graduate School of Hanseo University) ;
  • Lim, SeulGi (Environmental Research Center, Hanseo University) ;
  • Song, Jihan (Environmental Research Center, Hanseo University) ;
  • Lee, DoYoung (Department of Environmental Engineering, Graduate School of Hanseo University) ;
  • Yu, MyeongSang (Department of Environmental Engineering, Graduate School of Hanseo University) ;
  • Kim, JongHo (Department of Infrastructure System, Hanseo University)
  • 유정훈 (한서대학교 대학원 환경공학과) ;
  • 임슬기 (한서대학교 환경연구소) ;
  • 송지한 (한서대학교 환경연구소) ;
  • 이도영 (한서대학교 대학원 환경공학과) ;
  • 유명상 (한서대학교 대학원 환경공학과) ;
  • 김종호 (한서대학교 인프라시스템학과)
  • Received : 2018.09.04
  • Accepted : 2018.09.20
  • Published : 2018.10.31
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Abstract

Particulate matter (PM) emitted from fossil fuel-combustion facilities can be classified as either filterable or condensable PM. The U.S. Environmental Protection Agency (EPA) defined condensable PM as material that is in the phase of vapor at the stack temperature of the sampling location which condenses, reacts upon cooling and dilution in the ambient air to form solid or liquid in a few second after the discharge from the stack. Condensable PM passed through the filter media and it is typically ignored. But condensable PM was defined as a component of primary PM. This study investigates the change of condensable PM according to the variation in the sulfur dioxide of combustion gas. Domestic oil boilers were used as the source of emission ($SO_2$) and the level of $SO_2$ concentration (0, 50, 80, and 120 ppm) was adjusted by diluting general light oil and marine gas oil (MGO) that contains sulfur less than 0.5%. Condensable PM was measured as 2.72, 6.10, 8.38, and $13.34mg/m^3$ when $SO_2$ concentration in combustion gas were 0, 50, 80, and 120 ppm respectively. The condensable PM tended to increase as the concentration of $SO_2$ increased. Some of the gaseous air pollutants emitted from the stack should be considered precursors of condensable PM. The gas phase pollutants which converted into condensable PM should reduced for condensable PM control.

Keywords

References

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