상하수도학회지 (Journal of Korean Society of Water and Wastewater)

  • 제28권6호
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  • Pages.713-723
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  • 2014
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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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EGCG/바닐린 코팅 RO분리막의 표면 특성과 미생물막 억제능

Surface characterization and evaluation of biofouling inhibition of reverse osmosis membranes coated with Epigallocatechin gallate(EGCG)/vanillin

  • 투고 : 2014.05.21
  • 심사 : 2014.12.12
  • 발행 : 2014.12.15
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초록

Biofouling in brackish water reverse osmosis (RO) membranes still needs extensive research to understand cause and mechanism and to obtain methods for reduction of its impact on RO applications. Natural compounds with biofilm formation inhibitory properties are being investigated. Two compounds, vanillin and Epigallocatechin gallate (EGCG), were selected due to their great potential on biofilm formation inhibition. Vanillin shows inhibition on quorum sensing mechanisms of biofilm formation. EGCG has potential to inactivate microbial activity. The two compounds were incorporated in typical polyamide reverse osmosis membranes and evaluated on flux behaviours and biofilm formation potential. The surface properties of membrane coated with vanillin were changed tremendously compared to those with EGCG. As a result, the flux was reduced substantially. The biofilm formation seems hindered with EGCG coated membranes compared to the virgin membranes. More research is needed to optimize coating methods applicable to RO membranes and to enhance biofouling reduction.

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참고문헌

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피인용 문헌

  1. Mitigating biofouling with a vanillin coating on thin film composite reverse osmosis membranes vol.27, pp.2, 2014, https://doi.org/10.1007/s11356-019-06653-2