Abstract：
:Membrane bioreactor (MBR) is regarded as the state-of-the-art technology in separation processes. Surface modification techniques play a critical role in improving the conventional membrane system which is mostly hydrophobic in nature. The hydrophobic nature of membranes is known to cause fouling, resulting in high maintenance costs and shorter lifespan of MBR. Thus, surface grafting aims to improve the hydrophilicity of bio-based membrane systems. This review describes the major surface grafting techniques currently used in membranes, including photo induced grafting, plasma treatment and plasma induced grafting, radiation induced grafting, thermal induced grafting and ozone induced grafting. The advantages and disadvantages of each method is discussed along with their parametric studies. The potential applications of MBR are very promising, but some integral membrane properties could be a major challenge that hinders its wider reach. The fouling issue could be resolved with the surface grafting techniques to achieve better performance of MBRs.
journal_name
Bioresour Technoljournal_title
Bioresource technologyauthors
Lee XJ,Show PL,Katsuda T,Chen WH,Chang JSdoi
10.1016/j.biortech.2018.08.090subject
Has Abstractpub_date
2018-12-01 00:00:00pages
489-502eissn
0960-8524issn
1873-2976pii
S0960-8524(18)31194-5journal_volume
269pub_type
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