Journal of Korean Society on Water Environment (한국물환경학회지)

Korean Society on Water Environment (한국물환경학회)
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Necessity of Refractory Organic Matters Management in Total Maximum Daily Loads (TMDLs)

수질오염총량관리제에서 난분해성 유기물질 관리 필요성 및 개선방안

  • Park, Jae Hong (Water Pollution Load Management Research Division, National Institute of Environmental Research) ;
  • Park, Bae Kyoung (Water Pollution Load Management Research Division, National Institute of Environmental Research) ;
  • Lee, Jae Kwan (Water Pollution Load Management Research Division, National Institute of Environmental Research) ;
  • Rhew, Doug Hee (Water Environment Research Department, National Institute of Environmental Research)
  • 박재홍 (국립환경과학원 수질총량연구과) ;
  • 박배경 (국립환경과학원 수질총량연구과) ;
  • 이재관 (국립환경과학원 수질총량연구과) ;
  • 류덕희 (국립환경과학원 물환경연구부)
  • Published : 2013.05.30
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Abstract

To control organic matters, it needs to manage not only biodegradable organic matters but also refractory organic matters. Refractory organic matters from municipal wastewater, industrial wastewater, non-point sources and etc., have been continuously discharged to the near watersheds. It is estimated that the refractory organic matter ratios are continuously increased in waterbody. In watersheds of the Total Maximum Daily Loads (TMDLs), it was investigated that COD/BOD ratios increased in many unit watersheds of the 4 major river basins. The portions COD/BOD ratios increased were found to be a 97% of Geum River unit watersheds, a 81% of Yeongsan/Seumjin River unit watersheds, a 78% of Nakdong River unit watersheds, a 70% of Han River unit watersheds, respectively. Therefore, it has become important for establishment of effective management strategies to control refractory organic matter in watersheds of the Total Maximum Daily Loads (TMDLs). In order to properly manage organic matters including refractory organic matters, the present organic indicator (BOD) has to be converted to TOC (or COD). Compared to COD and BOD, TOC, as a organic matter indicator, is evaluated more appropriate.

Keywords

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