Journal of the Korean Applied Science and Technology (한국응용과학기술학회지)

The Korean Society of Applied Science and Technology (한국응용과학기술학회)
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The PM2.5 Emission Source Contribution Analysis using The PMF Model in Urban Area

PMF 모델을 이용한 도심지역 PM2.5 오염원 기여도 분석

  • Koo, Tai-Wan (Department of Environmental and Safety, Ajou University) ;
  • Hong, Min-Sun (Department of Environmental and Safety, Ajou University) ;
  • Moon, Su-Ho (DASAN Region Development Institute) ;
  • Kim, Ho-Jung (DASAN Region Development Institute)
  • 구태완 (아주대학교 환경안전공학과) ;
  • 홍민선 (아주대학교 환경안전공학과) ;
  • 문수호 (다산지역발전연구원) ;
  • 김호정 (다산지역발전연구원)
  • Received : 2019.08.27
  • Accepted : 2019.09.27
  • Published : 2019.09.30
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Abstract

In this study, The PMF model was used to identify pollutant sources and their contribution to pollution sources of $PM_{2.5}$. The contribution of A city to each source was 19.8% for Secondary Sulfate, followed by Mobile 19.5%, Industry 16.0%, Biomass Buring 14.1%, Secondary Nitrate 14.1%, Oil Combustion 11.6%, Aged Sea Salt 2.6%, Soil 2.5% and so on. Sulfate and Ammonium concentrations were the highest contributing sources in the source profile, which was analyzed to be Secondary Aerosols produced by Photochemical Reactions of gaseous precursors (SOx and ammonia gas) in the atmosphere.

본 연구에서는 PMF 모델을 이용하여 $PM_{2.5}$에 대한 오염원 확인 및 오염원별 기여도를 분석하였다. A시의 배출원별 기여도 순위는 Secondary Sulfate가 19.8%로 가장 기여도가 높고, 그 다음으로는 Mobile 19.5%, Industry 16.0%, Biomass Buring 14.1%, Secondary Nitrate 14.1%, Oil Combustion 11.6%, Aged Sea Salt 2.6%, Soil 2.5% 등으로 분석되었다. Sulfate와 Ammonium 농도가 배출원별 프로파일에서 기여도가 가장 높은 오염원으로 분석되었는데, 이는 대기 중에서 가스상 전구물질(SOx와 암모니아 가스)이 광화학 반응하여 생성된 2차 에어로졸인 것으로 분석되었다.

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