Journal of Korean Society of Water and Wastewater (상하수도학회지)

The Korean Society of Water and Wastewater (대한상하수도학회)
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Feasibility study on shale gas wastewater treatment using membrane distillation

막 증발법을 이용한 셰일가스 폐수 처리 가능성 평가

  • Cho, Hyeongrak (School of Civil and Environmental Engineering, Kookmin University) ;
  • Choi, Yongjun (School of Civil and Environmental Engineering, Kookmin University) ;
  • Lee, Sangho (School of Civil and Environmental Engineering, Kookmin University)
  • 조형락 (국민대학교 건설시스템공학부) ;
  • 최용준 (국민대학교 건설시스템공학부) ;
  • 이상호 (국민대학교 건설시스템공학부)
  • Received : 2016.04.26
  • Accepted : 2016.08.05
  • Published : 2016.08.15
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Abstract

Development of shale gas has drawn increasing attention since it is one of promising alternative energy resources. However, contamination of groundwater and surface water during the extraction of shale gas is becoming a serious environmental issues, which brings the needs to treat wastewater generated from hydraulic fracking. In this study, the feasibility of membrane distillation (MD) for the treatment of shale gas wastewater was investigated using a laboratory scale experimental setup. Flat-sheet MD membranes were used to treat produced water from a shale gas well in the United States. Different configurations such as direct contact MD (DCMD) and air gap MD (AGMD) were compared in terms of flux and fouling propensity. The foulants on the surface of the membranes were examined. The results suggest that MD can treat the shale gas produced water containing more than 200,000 mg/L of total dissolved solids, which is impossible by other technologies such as reverse osmosis (RO) and forward osmosis (FO). In this study, we investigated the possibility of processing and characterization of shale gas produce wastewater using membrane distillation. Laboratory scale membrane distillation experimental device was developed. It was compared the flat-sheet direct contact membrane distillation and flat-sheet air gap membrane distillation. AGMD flux in lower than the flux of DCMD, it was expected that the contamination caused by organic matters.

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References

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