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http://dx.doi.org/10.14579/MEMBRANE_JOURNAL.2019.29.6.348

Solvent Filtration Performance of Thin Film Composite Membranes based on Polyethersulfone Support  

Kim, SeungHwan (Energy & Chemical Engineering Department, Incheon National University)
Kim, YooShin (Energy & Chemical Engineering Department, Incheon National University)
Kim, DoYong (Energy & Chemical Engineering Department, Incheon National University)
Kim, SooMin (Energy & Chemical Engineering Department, Incheon National University)
Kim, Jeong F. (Energy & Chemical Engineering Department, Incheon National University)
Publication Information
Membrane Journal / v.29, no.6, 2019 , pp. 348-354 More about this Journal
Abstract
Recently, the application range of organic solvent nanofiltration (OSN) technology has been expanding, requiring membranes with better performance. In this work, thin film composite (TFC) OSN membrane was fabricated. First, ultrafiltration support membrane was prepared via nonsolvent-induced phase separation (NIPS) technique using polysulfone (PSf) and polyethersulfone (PES). Then, the effect of pore forming additives such as polyvinylpyrrolidone (PVP) and pluronic F-127 were employed to improve the membrane permeance. The well-known interfacial polymerization technique was employed using MPD-TMC chemistry to form a thin film on top of the fabricated support, and its solvent permeance and nanofiltration performance was characterized. It was found that polyethersulfone support exhibited more reliable performance compared to polysulfone, and PVP additive was more effective compared to Pluronic F-127. As for the oSN performance, polar aprotic solvents like acetonitrile show significantly higher flux (986.5 L·m-2·h-1·bar-1) compared to water and EtOH (9.5 L·m-2·h-1·bar-1).
Keywords
organic solvent nanofiltration (OSN); nonsolvent-induced phase separation (NIPS); thin film composite (TFC); solvent resistant nanofiltration (SRNF);
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Times Cited By KSCI : 4  (Citation Analysis)
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