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Pretreatment and Membrane Hydrophilic Modification to Reduce Membrane Fouling

State Key Laboratory of Pollution Control and Resource Reuse, School of Environmental Science and Engineering, Tongji University, Shanghai 200092, China
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Membranes 2013, 3(3), 226-241; https://doi.org/10.3390/membranes3030226
Received: 20 June 2013 / Revised: 27 August 2013 / Accepted: 27 August 2013 / Published: 4 September 2013
(This article belongs to the Special Issue Membranes and Water Treatment)
The application of low pressure membranes (microfiltration/ultrafiltration) has undergone accelerated development for drinking water production. However, the major obstacle encountered in its popularization is membrane fouling caused by natural organic matter (NOM). This paper firstly summarizes the two factors causing the organic membrane fouling, including molecular weight (MW) and hydrophilicity/hydrophobicity of NOM, and then presents a brief introduction of the methods which can prevent membrane fouling such as pretreatment of the feed water (e.g., coagulation, adsorption, and pre-oxidation) and membrane hydrophilic modification (e.g., plasma modification, irradiation grafting modification, surface coating modification, blend modification, etc.). Perspectives of further research are also discussed. View Full-Text
Keywords: pretreatment; NOM; membrane hydrophilic modification; membrane fouling; drinking water pretreatment; NOM; membrane hydrophilic modification; membrane fouling; drinking water
MDPI and ACS Style

Sun, W.; Liu, J.; Chu, H.; Dong, B. Pretreatment and Membrane Hydrophilic Modification to Reduce Membrane Fouling. Membranes 2013, 3, 226-241.

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