Development of antifouling reverse osmosis membranes for water treatment: A review

With the rapidly increasing demands on water resources, fresh water shortage has become an important issue affecting the economic and social development in many countries. As one of the main technologies for producing fresh water from saline water and other wastewater sources, reverse osmosis (RO) h...

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Bibliographic Details
Published in:Water research (Oxford) 2012-03, Vol.46 (3), p.584-600
Main Authors: Kang, Guo-dong, Cao, Yi-ming
Format: Article
Language:English
Subjects:
Antifouling
Antifouling property
Applied sciences
Biofouling - prevention & control
Exact sciences and technology
Fouling
Fresh water
freshwater
hybrids
Membrane fouling
Membranes
Membranes, Artificial
operating costs
Osmosis
Pollution
Polymerization
Reverse osmosis
saline water
Shortages
Surface modification
Surface Properties
Waste water
wastewater
Water Purification - instrumentation
Water Purification - methods
water shortages
Water treatment
Water treatment and pollution
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Summary:With the rapidly increasing demands on water resources, fresh water shortage has become an important issue affecting the economic and social development in many countries. As one of the main technologies for producing fresh water from saline water and other wastewater sources, reverse osmosis (RO) has been widely used so far. However, a major challenge facing widespread application of RO technology is membrane fouling, which results in reduced production capacity and increased operation costs. Therefore, many researches have been focused on enhancing the RO membrane resistance to fouling. This paper presents a review of developing antifouling RO membranes in recent years, including the selection of new starting monomers, improvement of interfacial polymerization process, surface modification of conventional RO membrane by physical and chemical methods as well as the hybrid organic/inorganic RO membrane. The review of research progress in this article may provide an insight for the development of antifouling RO membranes and extend the applications of RO technology in water treatment in the future. [Display omitted] ► The progress in the development of antifouling reverse osmosis membranes. ► Exploration of new monomers and improvement of fabrication process. ► Surface modification of conventional RO membrane by physical and chemical methods. ► Development of hybrid organic/inorganic RO membrane with good fouling resistance.
ISSN:0043-1354
1879-2448
DOI:10.1016/j.watres.2011.11.041