Journal of Korean Society on Water Environment (한국물환경학회지)

Korean Society on Water Environment (한국물환경학회)
권호 표지

Comparison of Organic Matter Distribution in Major Tributaries of the Nakdong River

낙동강 지류하천에서 TOC와 COD 유기물의 분포 비교

  • Kim, Heung-Seop (Department of Environmental Engineering, Kumoh National Institute of Technology) ;
  • Hong, Jong-Jin (Department of Environmental Engineering, Kumoh National Institute of Technology) ;
  • Seong, Jin-Uk (Department of Environmental Engineering, Kumoh National Institute of Technology) ;
  • Choi, Kwang-Soon (K-water Institute, Korea Water Resources Corporation) ;
  • Park, Je-Chul (Department of Environmental Engineering, Kumoh National Institute of Technology)
  • 김흥섭 (금오공과대학교 환경공학과) ;
  • 홍종진 (금오공과대학교 환경공학과) ;
  • 성진욱 (금오공과대학교 환경공학과) ;
  • 최광순 (한국수자원공사 K-water 연구원) ;
  • 박제철 (금오공과대학교 환경공학과)
  • Published : 2013.09.30
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Abstract

This study was conducted to suggest the concentration distribution of organic matters in 348 tributaries of Nakdong River, and to review the validity of the conversion of organic matter indexes. The average concentration of organic matters in the tributaries was TOC 2.4 mgC/L, DOC 2.1 mgC/L, COD 1.0 mgC/L, respectively. DOC ratio to TOC is 87% and COD ratio is 44%. First tributaries shows higher organic pollution than second tributaries. The correlation between TOC and COD was relatively high as 0.796 (p < 0.01, n = 670). Based upon these results, a regression analysis was conducted. The results showed that TOC concentration was 2.5 times higher than COD concentration. In conclusion, it is appropriate to use TOC for the management of all organic matters. Furthermore, there is a need to build organic matter-related Databases for more rivers so as to establish TOC standards and manage the water quality.

Keywords

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