한국대기환경학회지 (Journal of Korean Society for Atmospheric Environment)

  • 제33권3호
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  • Pages.265-276
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  • 2017
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  • 1598-7132(pISSN)
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  • 2383-5346(eISSN)
한국대기환경학회 (Korean Society for Atmospheric Environment)
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석탄 연소 시 발생되는 PM2.5 내 탄소 에어로졸의 화학 조성 연구

Characteristics of Chemical Composition in Carbonaceous Aerosol of PM2.5 Collected at Smoke from Coal Combustion

  • 장유운 (조선대학교 환경공학과) ;
  • 주흥수 (안양대학교 환경에너지공학과) ;
  • 박기홍 (광주과학기술원 환경공학과) ;
  • 이지이 (조선대학교 환경공학과)
  • Chang, Yu Woon (Department of Environmental Engineering, Chosun University) ;
  • Joo, Hung Soo (Department of Environmental Engineering, Anyang University) ;
  • Park, Ki Hong (School of Environmental Science and Engineering, Gwangju Institute of Science and Technology) ;
  • Lee, Ji Yi (Department of Environmental Engineering, Chosun University)
  • 투고 : 2017.03.27
  • 심사 : 2017.06.08
  • 발행 : 2017.06.30
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초록

The $PM_{2.5}$ samples were obtained from coal combustion with the four different combustion temperatures (550, 700, 900 and $1100^{\circ}C$) to understand chemical composition in carbonaceous aerosol. OC concentration was the highest when the combustion temperature was $550^{\circ}C$, while, the highest concentration for EC was shown at $700^{\circ}C$ of the coal combustion temperature. However, OC concentrations were very low and EC was not detected when the temperature was over $900^{\circ}C$. It indicates complete combustion was achieved when the combustion temperature was over $900^{\circ}C$. For six groups of organic compounds, n-alkanes and n-alkanoic acids were predominant at all of the combustion temperature in smoke of coal combustion, while, PAHs was only detected at $550^{\circ}C$. The diagnostic ratios of PAHs calculated in this study were 0.59 for Fluoranthene/(Fluoranthene+Pyrene), reflecting the characteristics of coal combustion. The Carbon number Preference Index (CPI) values of n-alkanes which ranged from 0.9 to 1.3 also showed the characteristics of coal combustion.

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피인용 문헌

  1. Physicochemical properties and oxidative potential of fine particles produced from coal combustion pp.1521-7388, 2018, https://doi.org/10.1080/02786826.2018.1501152