Removing emerging perfluoroalkyl ether acids and fluorotelomer sulfonates from water by nanofiltration membranes: Insights into performance and underlying mechanisms

Yue Zhi,Xiaoqing Zhao,Shenhua Qian,Andreia F. Faria,Xinglin Lu,Xiaoming Wang,Wei Li,Le Han,Zhen Tao,Qiang He,Jun Ma,Caihong Liu

Separation and Purification Technology（2022）

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摘要

•NF can simultaneously remove traditional PFOS/PFOA and emerging PFAS homologous.•MW and logKow are the most significant molecular parameters affecting PFAS removal.•Membrane intrinsic structural characteristics affect the PFAS removal significantly.•Adsorption and rejection of PFAS may occur via similar driving forces.

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关键词

Nanofiltration,Removal,Per- and polyfluoroalkyl substances,Perfluoroalkyl ether acids,Fluorotelomer sulfonate acids

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