NDLI: Increasing and enhancing the performance and antifouling characteristics of PES membranes using acrylic acid and microwave-modified chitosan

Content Provider	Springer Nature Link
Author	Mansourpanah, Yaghoub Kakanejadifard, Ali Dehrizi, Fatemeh Goudarzi Tabatabaei, Meisam Afarani, Hamid Soltani
Copyright Year	2014
Abstract	The aim of this study was to coat and change the surface properties of the PES membranes to increase the membrane performance. Accordingly, we coated a layer of chitosan on a PES membrane and then modified the created layer by acrylic acid and microwave irradiation for the first time. The fabricated layer was modified by acrylic acid (AA) as a grafting agent using a household microwave apparatus without any initiator. Different concentrations of AA and irradiation power as well as irradiation times were studied for the purpose. The obtained membranes were characterized using SEM, AFM, ATR-FTIR, contact angle, cross flow filtration, and anti-fouling property measurements. SEM images showed both the formation of a chitosan-coated PES membrane under the procedure and the resultant alterations in the surface structure. Based on the results, a moderate concentration of AA could enhance the coated layer properties and the rejection capability as well as the antifouling properties of the obtained membranes. AFM images represented the changes in the nanostructure of the coated layers as well as the surface characteristics. Accordingly, the mean surface pore sizes of the obtained membranes were reduced down to 35 nm after modification calculated by SPM-DME software. The antifouling properties of the modified membranes using bovine serum albumin (BSA) as a protein pattern showed that the flux recovery ratio (FRR) of some membranes increased by three times more than that of the unmodified membrane.
Starting Page	149
Ending Page	158
Page Count	10
File Format	PDF
ISSN	02561115
Journal	Korean Journal of Chemical Engineering
Volume Number	32
Issue Number	1
e-ISSN	19757220
Language	English
Publisher	Springer US
Publisher Date	2014-11-23
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	PES Modification Coating Chitosan Fouling Industrial Chemistry/Chemical Engineering Catalysis Materials Science Biotechnology
Content Type	Text
Resource Type	Article
Subject	Chemistry Chemical Engineering

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