期刊
ENVIRONMENTAL POLLUTION
卷 158, 期 7, 页码 2335-2349出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.envpol.2010.03.024
关键词
Membrane separation; Nanoparticles; Nanotubes; Fouling mitigation
资金
- Korea Science and Engineering Foundation
- FWO-Vlaanderen [F01-2009-000-10045-0]
Membrane separations are powerful tools for various applications, including wastewater treatment and the removal of contaminants from drinking water. The performance of membranes is mainly limited by material properties. Recently, successful attempts have been made to add nanoparticles or nanotubes to polymers in membrane synthesis, with particle sizes ranging from 4 nm up to 100 nm. Ceramic membranes have been fabricated with catalytic nanoparticles for synergistic effects on the membrane performance. Breakthrough effects that have been reported in the field of water and wastewater treatment include fouling mitigation, improvement of permeate quality and flux enhancement. Nanomaterials that have been used include titania, alumina, silica, silver and many others. This paper reviews the role of engineered nanomaterials in (pressure driven) membrane technology for water treatment, to be applied in drinking water production and wastewater recycling. Benefits and drawbacks are described, which should be taken into account in further studies on potential risks related to release of nanoparticles into the environment. (C) 2010 Elsevier Ltd. All rights reserved.
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