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Desalination and Water Treatment Volume 43, 2012 - Issue 1-3
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Articles

Electrocoagulation and crossflow microfiltration hybrid system: fouling investigation

G. Sharma School of Civil and Environmental Engineering, University of Technology, Sydney (UTS), P.O. Box 123, Broadway, NSW, 2007, Australia Phone: Tel. +61 2 9514 2629 Fax: Tel. +61 2 9514 2629
,
H.K. Shon School of Civil and Environmental Engineering, University of Technology, Sydney (UTS), P.O. Box 123, Broadway, NSW, 2007, Australia Phone: Tel. +61 2 9514 2629 Fax: Tel. +61 2 9514 2629Correspondence[email protected]
&
S. Phuntsho School of Civil and Environmental Engineering, University of Technology, Sydney (UTS), P.O. Box 123, Broadway, NSW, 2007, Australia Phone: Tel. +61 2 9514 2629 Fax: Tel. +61 2 9514 2629
Pages 253-259 | Received 25 Dec 2011, Accepted 10 Feb 2012, Published online: 30 Apr 2012
 
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Abstract

The fouling study of crossflow microfiltration (MF) was comparatively studied with feedwater containing kaolin suspension with and without electrocoagulation (EC) pre-treatment. An acrylonitrile butadiene styrene (ABS) MF membrane of pore size 0.4 μm was used in this study. The experiments were carried out at three different concentration of kaolin (100, 400 and 800 mg/l) and with three different crossflow velocities of 0.5, 1 and 1.5 l/min. When the feedwater was pre-treated by EC, the fouling was found to follow standard law of filtration. Besides the standard filtration law, the fouling mechanism also followed the classical cake filtration model due to formation of a secondary membrane.

Acknowledgement

This study is funded by an ARC grant.

Notes

The 4th International Desalination Workshop (IDW4), 16–18 November 2011, Jeju Island, South Korea

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