EGCG/바닐린 코팅 RO분리막의 표면 특성과 미생물막 억제능
(주)코리아스칼라
- 최초 등록일
- 2023.04.05
- 최종 저작일
- 2014.12
- 11페이지/ 어도비 PDF
- 가격 4,200원
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서지정보
ㆍ발행기관 : 대한상하수도학회
ㆍ수록지정보 : 상하수도학회지 / 28권 / 6호
ㆍ저자명 : 정재현, 김영진, 남해욱, 김윤중, 이은수, 이윤일, 권지향
영어 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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