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Language: English

Conflict of Interest: In relation to this article, we declare that there is no conflict of interest.

Publication history: Received June 2, 2008
Accepted December 26, 2008

This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/bync/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Advanced water treatment of high turbid source by hybrid module of ceramic microfiltration and activated carbon adsorption: Effect of organic/inorganic materials

Hyuk Chan Lee Jin Yong Park^† Do-Young Yoon¹

Department of Environmental Sciences & Biotechnology, Hallym University, Gangwon 200-702, Korea ¹Department of Chemical Engineering, Kwangwoon University, Seoul 139-701, Korea

Korean Journal of Chemical Engineering, May 2009, 26(3), 697-701(5), 10.1007/s11814-009-0116-8

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Abstract

We investigated the effect of organic or inorganic materials on membrane fouling in advanced drinking water treatment by hybrid module packed with granular activated carbon (GAC) outside a tubular ceramic microfiltration membrane. Instead of natural organic matters (NOM) and fine inorganic particles in the natural water source, synthetic water was prepared with humic acid and kaolin. Concentrations of kaolin or humic acid were changed to see effects of inorganic or organic matter. And periodic water-back-flushing using permeate water was performed during_x000D_ 10 sec per filtration of 10 min. As a result, both the resistance of membrane fouling (Rf) and permeate flux (J) were influenced higher by concentration of humic acid rather than kaolin. It was proved that NOM like humic acid could be a more important factor on membrane fouling in drinking water treatment than fine inorganic particles. Treatment efficiencies of turbidity and UV254 absorbance were very high above 97.4% and 92.0%, respectively.

Keywords

Hybrid Module Ceramic Membrane GAC Microfiltration Water Treatment

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