상하수도학회지 (Journal of Korean Society of Water and Wastewater)

  • 제24권2호
  • /
  • Pages.143-155
  • /
  • 2010
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  • 1225-7672(pISSN)
  • /
  • 2287-822X(eISSN)
대한상하수도학회 (The Korean Society of Water and Wastewater)
권호 표지

해수담수화 시설의 시스템 구성에 따른 $CaCO_3$ 스케일 형성능 진단

Evaluation of calcium carbonate scale formation on system design of seawater reverse osmosis plants

  • 강남욱 (건국대학교 공과대학 환경공학과) ;
  • 최양훈 (건국대학교 공과대학 환경공학과) ;
  • 이혜주 (건국대학교 공과대학 환경공학과) ;
  • 이석헌 (한국과학기술연구원 수질환경연구부) ;
  • 권지향 (건국대학교 공과대학 환경공학과)
  • 투고 : 2009.11.27
  • 심사 : 2010.03.22
  • 발행 : 2010.04.15
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초록

Fouling by inorganic scales needs to be prevented to effectively operate sea water reverse osmosis(SWRO) membrane systems. The extents of inorganic scaling with different array designs including one-pass, two-pass and several hybrid designs were evaluated using seawater from southern sea near the city of Chang-Won. The used methods for evaluation were Stiff and Davis Index(S&DSI) calculation and several laboratory experiments. The formation potential of inorganic scale fouling was quite great under the examined conditions, which was confirmed by the laboratory experimental results. The inorganic scale was not avoidable fouling if any anti-scaling measures were not applied. The RO showed decreased flux under the scale formation conditions. The increases in S&DSI from 1.43 to 5 made small decreases in flux, which indicated that formation of inorganic scales had more substantial effects on RO flux than amount of inorganic scales.

키워드

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