NDLI: Scrutinizing the consequence of surface modification on membrane stability and resistivity towards fouling

Content Provider	IEEE Xplore Digital Library
Author	Saidatul Syaima Mat Tari Ali, Nora'aini Mamat, Mazidah
Copyright Year	2010
Description	Author affiliation: Department of Chemical Sciences, Faculty of Science and Technology, Universiti Malaysia Terengganu (UMT), Kuala Terengganu, Malaysia (Mamat, Mazidah) \|\| Department of Engineering Sciences, Faculty of Science and Technology, Universiti Malaysia Terengganu (UMT), Kuala Terengganu, Malaysia (Saidatul Syaima Mat Tari; Ali, Nora'aini)
Abstract	Membrane fouling due to the interactions of solutes and the membrane surface are the object of intensive studies. Appointing to this crucial issues, methods for the improvement of membrane antifouling characteristics have been developed. In this work, the polyethersulfone ultrafiltration (PES-UF) membrane surface has been modified by the pre-adsorption of myoglobin. Ultrafiltration (UF) experiments of lyszoyme were performed using native PES-UF and myoglobin coated PES-UF membrane. Membrane resistance towards fouling was measured by calculating the flux recovery ratio (FRR) and each membrane was analyzed for the degree of hydrophilicity using contact angle measurements. Results were further verified by the UF of lysozyme and the degree of transmission for both coated and uncoated membranes were compared. Findings obtained showed that the myoglobin modified membranes gave higher flux recovery ratio and a superior hydrophilicity attributes as contrast to the PES-UF membrane of unmodified surface. An increased in the transmission of lysozyme with an optimum percentage of 96.31% was also attained for the myoglobin modified PES-UF membrane, indicates that, the surface modified membranes potentially show a better ability towards protein fractionation. Such enhancement might be contributes by the introduction of myoglobin coating. Thus, it can be concluded that, this proprietary surface coating has successfully enhanced the hydrophilic features of the modified PES-UF membrane, making it more invincible to fouling than the native PES-UF membrane. The excellent flux recovery property of these myoglobin coated PES-UF membranes signifies that this surface modified membrane could be regenerated and used repeatedly for several runs. Hence, the membrane surface treatment method proposed in this research may have facile implications for the manufacturing of high flux and fouling endurance UF membrane.
Starting Page	741
Ending Page	745
File Size	400437
Page Count	5
File Format	PDF
ISBN	9781424489879
e-ISBN	9781424489862
DOI	10.1109/CSSR.2010.5773881
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-12-05
Publisher Place	Malaysia
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Myoglobin Fouling Surface resistance Surface morphology Coatings Surface treatment Proteins Polyethersulfone Flux Recovery Hydrophilicity Surface Modification Biomembranes Lysozyme
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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