NDLI: Effect of CO$_{2}$-laser irradiation on properties and performance of thin-film composite polyamide reverse osmosis membrane

Content Provider	Springer Nature Link
Author	Jahangiri, Foad Mousavi, Seyyed Abbas Farhadi, Fathollah Vatanpour, Vahid Sabzi, Behnam Chenari, Zeinab
Copyright Year	2016
Abstract	CO$_{2}$-laser irradiation was used to modify the surface properties of thin-film composite (TFC) polyamide reverse osmosis (RO) membranes. These membranes were first synthesized via interfacial polymerization of m-phenylenediamine (MPD) monomers and trimesoyl chloride (TMC) over porous polysulfone ultrafiltration support, followed by a CO$_{2}$-irradiation. AFM, ATR-FTIR, SEM and contact angle measurements were used to characterize the surface properties of these membranes. The ATR-FTIR results indicated that CO$_{2}$-laser irradiation did not induce any functional groups on the membrane surface. However, it was found that the laser irradiation enhanced the NaCl salt rejection and slightly reduced the permeate flux. Moreover, the maintenance of the flux in modified membranes was much higher than untreated ones. Specially, after 180 min of filtration, the reduction in initial flux for the unmodified membranes was 22%. However, the reduction in initial flux for the modified membranes was less than 5%. Bovine serum albumin (BSA) filtration revealed an improvement in the antifouling properties of the modified membranes. The changes in the membrane surface morphology showed that the roughness of membrane surface is reduced significantly.
Starting Page	1028
Ending Page	1036
Page Count	9
File Format	PDF
ISSN	02561115
Journal	Korean Journal of Chemical Engineering
Volume Number	33
Issue Number	3
e-ISSN	19757220
Language	English
Publisher	Springer US
Publisher Date	2015-12-02
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	CO$_{2}$-laser Irradiation Polyamide Membrane Surface Modification Fouling Reduction Industrial Chemistry/Chemical Engineering Catalysis Materials Science Biotechnology
Content Type	Text
Resource Type	Article
Subject	Chemistry Chemical Engineering

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