상하수도학회지 (Journal of Korean Society of Water and Wastewater)

  • 제30권5호
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  • Pages.545-551
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  • 2016
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  • 1225-7672(pISSN)
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  • 2287-822X(eISSN)
대한상하수도학회 (The Korean Society of Water and Wastewater)
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MBR-RO 공정에서 MBR 운전조건에 따른 막오염 특성 및 RO 공정 막오염 평가

Evaluation of membrane fouling by MBR operation conditions in MBR-RO

  • 투고 : 2016.07.26
  • 심사 : 2016.09.23
  • 발행 : 2016.10.31
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초록

This study compares characteristic of membrane fouling in MBR-RO systems. In lab. scale MBRs test, MBRs were operated at different Flux(10, 20, 30 & 40 LMH) and temperature(10, 15, 20, 25 & $30^{\circ}C$). The results show that MBR permeate was measured lower amounts of organic substances in Higher flux and lower temperature and led to lower RO fouling rates. The main cause was that due to cake fouling formed on membrane surfaces in MBRs. Under both cases, Cake layer of membrane surfaces formed in MBRs removed RO fouling factors, polysaccharide and protein, because of cake layer attached on membrane surfaces greater amounts of organic substances. This study implies that optimization of MBR with operating conditions is a crucial strategy to RO membrane fouling control.

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참고문헌

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