Journal of Korean Society on Water Environment (한국물환경학회지)

Korean Society on Water Environment (한국물환경학회)
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Patterns on Sewer Transfer Flow for Rain Weather Period in the Area with Combined Sewer System for the Management of TMDLs

수질오염총량관리 합류식지역의 우기시 관거이송 변화유형

  • Park, Jun Dae (Water Pollution Cap System Research Division, Water Environmental Research Department, National Institute of Environmental Research) ;
  • Oh, Seung Young (Water Pollution Cap System Research Division, Water Environmental Research Department, National Institute of Environmental Research) ;
  • Kim, Ji-Tae (Korea Environment Institute)
  • 박준대 (국립환경과학원 물환경연구부 수질총량연구과) ;
  • 오승영 (국립환경과학원 물환경연구부 수질총량연구과) ;
  • 김지태 (한국환경정책.평가연구원)
  • Received : 2010.06.03
  • Accepted : 2010.10.20
  • Published : 2010.11.30
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Abstract

Discharged pollution load is varied as rainfall changes in the area with combined sewer system. Changes in discharged pollution load are directly related with those of sewer transfer flow. Therefore, it is important to identify the pattern of sewer transfer flow for the analysis of changes in discharged pollution load. This study reviewed the type of distribution of sewer transfer flow for 17 sewage treatment plants and developed simple formular to estimate sewer transfer flow as rainfall changes. 11 facilities showed to have some relation with rainfall in the change of sewer transfer flow but 6 facilities to have no relation. Relationships between rainfall amount and sewer transfer flow showed that 6 facilities out of 11 had relatively strong relationships above R2=0.5, which were considered to be affected directly by rainfall changes. The formular which explain the relationship between rainfall and sewer transfer flow can be applied in the analysis of rainfall effects on discharged pollution load, therefore, the more appropriate evaluation will be done.

Keywords

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