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Fabrication of novel hollow fiber membrane decorated with functionalized Fe2O3 nanoparticles: Towards sustainable water treatment and biofouling control

Abstract

The development of sustainable, surface functionalized hollow fiber membranes with advanced nanomaterials put forward tailored and target controlled of physicochemical properties. This provides the material with improved features of hydrophilicity, permeability, excellent selectivity, superior antifouling and antimicrobial activity. We explored a new strategy by using well dispersed functionalized Fe2O3 nanoparticles to fabricate the polyetherimide nanocomposite hollow fiber membrane with enhanced surface and anti-biofouling properties. To confirm the membrane modification, series of characterizations such as contact angle, surface energy, water uptake capacity, porosity, zeta potential and morphological analysis were performed. The permeation experiment indicated superior hydrodynamic permeability and antifouling properties with more than 95 % rejection of BSA protein molecules after inclusion of 1.5 wt. % of additive dosage. Moreover, nanocomposite membrane exhibited relatively higher normalized flux and rejection up to 94 % during the filtration of hazardous natural organic matter (NOM) under different parameters such as feed solution pH and ionic strength. The presence of modified Fe2O3 nanoparticles in the membrane, significantly inhibits the growth of bacteria and other microorganisms on the membrane surface, resulting in enhanced anti-biofouling property. In particular, the demonstrated method illustrate the fast, facile strategy for functionalization of Fe2O3 nanoparticles to improve the membrane properties and anti-biofouling activity, which renders a vast potential for effective and sustainable water treatment applications.

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Publication details

The article was received on 20 Jan 2017, accepted on 14 Apr 2017 and first published on 17 Apr 2017


Article type: Paper
DOI: 10.1039/C7NJ00221A
Citation: New J. Chem., 2017, Accepted Manuscript
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    Fabrication of novel hollow fiber membrane decorated with functionalized Fe2O3 nanoparticles: Towards sustainable water treatment and biofouling control

    A. M. Isloor, R. Hebbar, K. Ananda, Hohd. S. Abdullah and A. Ismail, New J. Chem., 2017, Accepted Manuscript , DOI: 10.1039/C7NJ00221A

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