文献类型：期刊文献

英文题名：Quantitative analysis of the influence of PVA interlayer on the permeation resistance of TFC NF membranes

作者：Tang, Yong-Jian[1];Cheng, Liang[1];Wu, Tong[1];Xu, Zhen-Liang[1]

机构：[1]East China Univ Sci & Technol, Chem Engn Res Ctr, State Key Lab Chem Engn, Membrane Science& Engn R&D Lab,Sch Chem Engn, 130 Meilong Rd, Shanghai 200237, Peoples R China

年份：2024

卷号：584

外文期刊名：DESALINATION

收录：;EI(收录号：20242116114701);WOS:【SCI-EXPANDED(收录号:WOS:001244047100001)】；

基金：Thanks for the funding support provided by the State Key R & D Program of China (2021YFB3801103 and 2021YFB3801101) and the National Natural Science Foundation of China (21808060) .

语种：英文

外文关键词：Nanofiltration; Polyvinyl alcohol interlayer; Permeation resistance

摘要：The interfacial polymerization based on the interlayer is an effective method for enhancing thin-film composite (TFC) nanofiltration (NF) membranes permeability. In this study, a polyvinyl alcohol (PVA) interlayer was constructed on a polyethersulfone substrate through a physical deposition method. Then the TFC NF membranes regulated by PVA interlayer were prepared, and conducted a quantitative analysis of the impact of the PVA interlayer on the permeation resistance of TFC NF membranes. The results indicated that after regulated by the PVA interlayer, the permeation resistance of the polyamide layer decreased slightly, from 0.130 to 0.106 bar h m -1 , while the permeation resistance of the substrate decreased significantly, from 0.277 to 0.087 bar h m -1 . These results indicated that the dramatic decrease in permeation resistance of substrate caused by PVA interlayer was main reason for enhanced permeability, enriching our understanding of the mechanism of the interlayer.