Journal of Korean Society on Water Environment (한국물환경학회지)

Korean Society on Water Environment (한국물환경학회)
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Experimental Study on Synthetic Fiber Filled Channel for Treating Turbid Water at the Construction Sites and Protecting Drain System

합성섬유 충진 여과수로를 이용한 건설사업장의 흙탕물 처리 및 배수구 보호에 관한 실험적 연구

  • Yuan, Qingke (Department of Environmental Engineering, Hanseo University) ;
  • Cheng, Jing (Department of Environmental Engineering, Hanseo University) ;
  • Park, Kisoo (Department of Environmental Engineering, Hanseo University) ;
  • Kim, Youngchul (Department of Environmental Engineering, Hanseo University)
  • 원경과 (한서대학교 환경공학과) ;
  • 청징 (한서대학교 환경공학과) ;
  • 박기수 (한서대학교 환경공학과) ;
  • 김영철 (한서대학교 환경공학과)
  • Received : 2016.08.04
  • Accepted : 2016.11.07
  • Published : 2016.11.30
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Abstract

In order to cope with the new and strict government regulations for turbid water discharge from construction sites, this study tested whether synthetic fiber filters can replace conventional best management practices. The filter efficiency was about 10 to 60% with a varying filter depth of 5 to 15cm, presuming extreme storm flow conditions to be in the range of 800 to 1500m/day of filtration rates. Fiber filter acts exactly like a granular filter, i.e. the separation efficiency is directly and inversely proportional to filter depth and rate, respectively. Based on the operational data, we suggested the Log-Log design relationship, which can be used to determine the filter depth and area. Compared to the widely used gravel filter which treats the turbid water at the construction site, about 20% higher efficiency was obtained under similar operating conditions. Cleaning the filter through a simple hand-washing method at the time of break-through, achieved about 90% soil recovery.

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