The Role of Organic Matter and Black Carbon on the Cycling of Persistent Organic Pollutants (POPs)

POPs의 순환에 미치는 유기물 및 black carbon의 역할

  • Nam Jae-Jak (National Institute of Agricultural Science and Technology) ;
  • Hong Suk-Young (National Institute of Agricultural Science and Technology) ;
  • Kim Kye-Hoon (Department of Environmental Horticulture, University of Seoul)
  • 남재작 (농촌진흥청 농업과학기술원 환경생태과) ;
  • 홍석영 (농촌진흥청 농업과학기술원 환경생태과) ;
  • 김계훈 (서울시립대학교 자연과학대학 환경원예학과)
  • Published : 2006.09.01

Abstract

Soil organic matter (OM) is well documented for its capacity to retain persistent organic pollutants (POPs) and thus is important in dictating the environmental partitioning of POPs between media such as air, water, and soil. Black carbon (BC) is a small component of OM and exhibitt a 10$\sim$100 times greater sorption capacity of POPs than humified OM. Furthermore, due to the inherent long environmental life time of BC, a result of its resistance to physical and biological degradation, POPs can continue to accumulate in BC over a long period of time. The unique properties of BC have been of particular interest over the last 30 years and have resulted in broad research being conducted into its effects of POP cycling in atmospheric, oceanographic and soil matrices. The results of such studies have proved valuable In providing new research initiatives into the role of BC in the cycling of hydrophobic organic compounds (HOCs) as well as giving further insight into the long range atmospheric transport (LRAT) potential and subsequent risk assessment criteria for persistent organic pollutants (POPs). In this report, we introduce a novel study examining the relationships between BC and OM with respect to their POP sorption capacity and discuss the role of BC in influencing the environmental regulation of organic pollutants.

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