Polyvinyl alcohol hydrogel-supported forward osmosis membranes with high performance and excellent pH stability

Dal Yong Kim,Hosik Park,You-In Park,Jung-Hyun Lee

Journal of Industrial and Engineering Chemistry（2021）

引用 11|浏览2

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摘要

•TFC FO membranes are fabricated using polyvinyl alcohol (PVA) hydrogel supports.•Thin, hydrophilic and highly porous PVA supports with low pore tortuosity lower ICP.•Toluene-assisted interfacial polymerization produces a highly permselective layer.•The PVA-TFC membranes exhibit FO performance outperforming commercial membranes.•The PVA-TFC membranes have superior pH stability to commercial membranes.

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关键词

Forward osmosis,Polyvinyl alcohol,Thin film composite membrane,pH stability,Interfacial polymerization

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