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A Study on the Micropollutants and Removal of Micropollutants Contained in Road Runoff

노면배수에 함유된 미량오염물질 및 제거에 관한 연구

  • Kim, Boo-Gil (Division of Architecture and Civil Engineering, Dongseo University) ;
  • Park, Heung-Jai (Department of Environmental Science, Inje University) ;
  • Jang, Seong-Ho (Department of Environmental System Engineering, Pusan National University)
  • 김부길 (동서대학교 토목공학과) ;
  • 박흥재 (인제대학교 환경학과) ;
  • 장성호 (부산대학교 지역환경시스템공학)
  • Published : 2009.02.28

Abstract

Micropollutants, which can be caused by imperfect combustion, are toxic chemical compound that flows into the river system after being contained in road runoff, a non-point source pollutant and accumulates in the body. The micropollutants that have characteristics such as toxicity, persistence, bio-accumulation, long-range transportation behave so similarly to micro particles that they can be removed by means of filtration or absorption. This study has examined the kinds and concentrations of micropollutants contained in deposited road particles. It has revealed that the kinds of micropollutants contained in the clarified supernatant liquid of deposited road particles are heavy metals and polycyclic aromatic hydrocarbons(PAHs) composed of two or three benzene rings, including naphthalene and acenaphthalene. Their concentrations have been shown to be low, with 0.418 mg/L, 0.058 mg/L, 0.104 mg/L, 0.014 mg/L, 0.00075 mg/L for Zn, Pb, Cu, Cr, Cd, respectively and 0.00156 mg/L and 0.00184 mg/L for naphthalene and acenaphthalene.

Keywords

Micropollutants;Non-point source pollutants;Road runoff;Heavy metal;PAHs

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