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當前位置:> 首頁 > 論文著作 > 正文
Polyethylenimine Linked Glycidol Surface Antifouling Reverse Osmosis Membrane
作者:Li-Ye Chen, Xiao-Hong Lin, Jing-Gang Gai*
關鍵字:Polyethylenimine , Glycidol,Antifouling,Reverse Osmosis,Membrane
論文來源:期刊
具體來源:Ind. Eng. Chem. Res., 2018, 57, 2322-2328
發表時間:2018年

Improving

the antifouling performance of the widely used industrial polyamide thin-film-composite reverse osmosis (RO) membrane has

recently attracted increasing attention as the RO membrane is inherently prone

to fouling, which may seriously deteriorate separation performance and membrane

lifespan. In this paper, taking advantage of unreacted acid chloride groups on

the surface of the polyamide membrane, we used multiterminal amino group

polyethylenimine (PEI) as the linker and used glycidol as the hydrophilic

surface modifier to prepare the

antifouling reverse osmosis membrane. We aimed to improve the hydrophilicity of

the RO membrane by increasing the number density of terminal amino groups of

the linker on the polyamide surface. After 9 continuous BSA fouling tests, the flux recovery rate of the glycidol-modified membrane with PEI as linker can reach 98.2%.

The enhanced antifouling effect of the method

using PEI as the linker and glycidol as the hydrophilic modifier offers insights into new types of antifouling RO membrane development

opportunities.

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