Journal of Korean Society on Water Environment (한국물환경학회지)

Korean Society on Water Environment (한국물환경학회)
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Studies on the Effect of Water Quality Parameters on Total Coliform Concentrations in Sewage Effluents

하수방류수의 대장균군 발생에 영향을 미치는 수질인자에 관한 연구

  • Beck, Young-Seog (Korea Environment & Waterworks Institute) ;
  • Sohn, Jin-Sik (Department of Civil and Environment Engineering, Kookmin University)
  • 백영석 (한국환경수도연구소) ;
  • 손진식 (국민대학교 건설시스템공학과)
  • Received : 2005.11.02
  • Accepted : 2005.12.07
  • Published : 2006.01.30
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Abstract

The objectives of the present paper were to investigate the concentration of total coliform in wastewater effluents and the effect of water chemical and physical characters in it. The most correlated parameter with total coliform was COD. It means that the wastewater treatment efficient effects on total coliform concentration. And we developed predictive model for the total coliform concentration. The estimated parameters for model were COD, temperature, nitrite, chloride, Mn and regression model equation was determined; log (Total Coli.) = 1.861+0.065[COD]+0.038[temperature]-0.0004[$Cl^-$]+3.697[Mn]-0.32 [$NO_2-N$] The developed model provided very strong correlation ($R^2:0.82$) between total coliform and regression equation. The parameters having high sensitivity were COD and temperature. So the study indicated that if the temperature and COD of wastewater effluent were known, we would estimate the concentration of total coliform and decide the most effective usage of chlorine.

Keywords

References

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