Antifouling and antibacterial bioactive metabolites of marine fungus (terrein)/polyamide thin-film composite reverse osmosis membranes for desalination applications
文献类型： 外文期刊
第一作者： Zhang, Lin
作者： Zhang, Lin;Yang, Qian;Jiang, Yanzhuang;Yu, Liyan;Song, Na;Sui, Lina;Dong, Lifeng;Yu, Liyan;Song, Na;Zhao, Donglin;Dong, Lifeng
作者机构：
关键词： Antibacterial; Reverse osmosis membrane; Terrein; Antifouling; Hydrophilic
期刊名称：DESALINATION （ 影响因子：9.9； 五年影响因子：9.7 ）
ISSN： 0011-9164
年卷期： 2024 年 572 卷
页码：
收录情况： SCI
摘要： Marine fungi-derived (+)-terrein is grafted onto a reverse osmosis polyamide membrane using glutaraldehyde, forming a thin film composite (Terrein-PA) membrane. This membrane exhibits improved water permeability, antifouling and antibacterial properties. Compared to conventional reverse osmosis membranes, Terrein-PA membrane shows a 51.0 % increase in permeability (7.4 L/m2 & sdot;h & sdot;bar) due to its beneficial hydroxyl groups. It also effectively inhibits the growth of gram-positive and gram-negative bacteria, achieving antibacterial rates of 98.0 % and 94.9 %, respectively. This reduces microorganism adhesion, extending the membrane's service life. The use of natural (+)-terrein is safer for human health than chlorine treatments. Furthermore, when contaminated with bovine serum albumin, Terrein-PA membrane achieves a flux recovery rate of 90.9 % and a total contamination rate of 12.3 %. This study introduces an innovative approach to produce secure antibacterial reverse osmosis membranes with prolonged lifespan.
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