Preparation and characterization of fouling-resistant TiO2 self-assembled nanocomposite membranes

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In this study, fouling-resistant nanocomposite membranes were prepared via electrostatic self-assembly between TiO2 nanoparticles and sulfonic acid groups on the membrane surface. Sulfonated polyethersulfone (SPES) was prepared by heterogeneous sulfonation with chlorosulfonic acid, and a TiO2 nanoparticle solution was prepared from the controlled hydrolysis of titanium tetraisopropoxide. Then, the SPES ultrafiltration membranes, which were prepared by the phase inversion method, were dipped in the TiO2 nanoparticle solution, thereby producing the TiO2/polymer nanocomposite membranes. The fouling mitigation property of the nanocomposite membrane was examined using membrane bioreactor (MBR) sludge, which contains a great number of various foulants. The results showed that the amount and rate of membrane fouling decreased in the nanocomposite membranes compared to the polymeric membranes. (c) 2006 Elsevier B.V. All rights reserved.
Publisher
ELSEVIER SCIENCE BV
Issue Date
2006-04
Language
English
Article Type
Article
Citation

JOURNAL OF MEMBRANE SCIENCE, v.275, no.1-2, pp.1 - 5

ISSN
0376-7388
DOI
10.1016/j.memsci.2006.01.023
URI
http://hdl.handle.net/10203/262276
Appears in Collection
CBE-Journal Papers(저널논문)
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