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Investigation of Photocatalytic Process on Removal of Natural Organic Matter in Nanofiltration Process  

Lee, Kew-Ho (Membrane & Separation Research Center, Korea Research Institute of Chemical Technology)
Choi, In-Hwan (Membrane & Separation Research Center, Korea Research Institute of Chemical Technology)
Kim, In-Chul (Membrane & Separation Research Center, Korea Research Institute of Chemical Technology)
Min, Byoung-Ryul (Department of Chemical Engineering, Yonsei University)
Publication Information
Membrane Journal / v.17, no.3, 2007 , pp. 244-253 More about this Journal
Abstract
This research investigated the effect of a photocatalytic reaction on nanofiltration(NF) membrane fouling by natural organic matter(NOM). The photocatalytic degradation was very effective for destruction and transformation of NOM and was carried out by titanium dioxide($TiO_2$) and $TiO_2$-immobilized bead as a photocatalyst. In order to compare their phtocatalytic properties, the photocatalytic degradation of humic acid in the presence of calcium ion was used as a model reaction. After the photocatalytic degradation the membrane fouling was dramatically decreased.
Keywords
photocatalytic reaction; nanofiltration membrane fouling; titanium dioxide; immobilized bead;
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