Journal
REVIEWS IN ENVIRONMENTAL SCIENCE AND BIO-TECHNOLOGY
Volume 16, Issue 4, Pages 737-760Publisher
SPRINGER
DOI: 10.1007/s11157-017-9442-1
Keywords
Microfiltration; Ultrafiltration; Pretreatment; Membrane bioreactor; Polluted surface water
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Following the rapid proliferation of organic pollutants in the surface water, the application of microfiltration technology has been extensively studied for its treatment since the 1990s. Given that the conventional treatment processes were unable to treat the excessive dissolved organic compounds, microfiltration technologies have gained momentum as effective solutions to treat the surface water. The efficacy of low-pressure membrane filtration technologies such as microfiltration and ultrafiltration has been under scrutiny ever since, and numerous research studies have aimed at enhancing their capabilities to reject the suspended solids and organic matters. This paper reviews the development trajectory of membrane technology, ranging from microfiltration to membrane bioreactors, for treating dissolved organic matters in surface water and their future potential. This is a critical review of the physicochemical and biological options such as, but not limited to, pretreatment of water using coagulation, ozonation, adsorption and/or a combination of these. On the whole, it is concluded that the membrane bioreactor system, which combines biological process and physical rejection, showed high potential in treating polluted surface water, which needs to be further investigated extensively to promote its application in water treatment plants.
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