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Hybrid membrane processes for drinking water treatment

Gray, Stephen R, Booker, N. A, Carroll, Tim and Meier-Haack, M (2002) Hybrid membrane processes for drinking water treatment. In: Chemical water and wastewater treatment VII: proceedings of the 10th Gotenburg Symposium 2002, June 17-19, 2002, Gothenburg. IWA Publishing, London, pp. 59-68.

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The microfiltration of fractionated NOM identified that the main contributor to hydrophobic microfiltration membrance fouling was the low molecular weight neutral hydrophilic fraction. Attempts to identify a suitable process for selectively removing this fraction of NOM from water before microfiltration were unsuccessful, and led to the idea that the membrane surface should be modified to enhance rejection of this fraction of NOM. Polyelectrolytes were grafted onto the surface of polypropylene membranes using expertise developed at the Institute for Polymer Research (IPF) in Germany. Experiments with membranes grafted with anionic polyacrylic acid hydrophilic polymers demonstrated that fouling rates were 50% lower than for the non-grafted membranes and rejection of NOM was not compromised.

Item Type: Book Section
ISBN: 1 84339 009 4, 9781843390091
Uncontrolled Keywords: Hybrid membrane, water, molecular, microfiltration, ultrafiltration
Subjects: RFCD Classification > 300000 Agricultural, Veterinary and Environmental Sciences
Faculty/School/Research Centre/Department > School of Engineering and Science
Depositing User: Ms Phung T Tran
Date Deposited: 08 Jul 2009 05:07
Last Modified: 10 Jan 2017 11:52
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