The role of cell-surface interactions in bacterial initial adhesion and consequent biofilm formation on nanofiltration/reverse osmosis membranes

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Title: The role of cell-surface interactions in bacterial initial adhesion and consequent biofilm formation on nanofiltration/reverse osmosis membranes
Authors: Habimana, Olivier
Correia-Semião, Andrea Joana C.
Casey, Eoin
Permanent link: http://hdl.handle.net/10197/5212
Date: 15-Mar-2014
Abstract: Until recently, the realization that membrane biofouling during nanofiltration (NF) and reverse osmosis (RO) processes is an unavoidable occurrence, has led to a paradigm shift in which biofouling management approaches rather than biofouling prevention are now being considered. To implement this new concept, it is crucial to understand the fundamentals of cell-surface interactions during bacterial adhesion, a prerequisite to biofouling of membranes. As such, with membrane biofouling already being widely studied and documented, greater attention should be given to the factors involved in the initial bioadhesion onto membranes during NF/RO processes. This review focuses on the interactions between bacterial cells and NF/RO membranes, emphasizing the mechanisms of bacterial adhesion to NF/RO membranes with particular reference to the effects of micro-environmental conditions experienced at the membrane interface, such as feed-water composition, hydrodynamics, permeate flux and conditioning layers. This review also discusses membrane surface properties and how it relates to bacterial adhesion as well as latest advancements in antibacterial membranes, identifying areas that need further investigation.
Funding Details: European Research Council
Type of material: Journal Article
Publisher: Elsevier
Copyright (published version): 2013 Elsevier B.V.
Keywords: Membranes;Nanofiltration;Reverse osmosis;Biofouling;Fouling;Bacterial adhesion
DOI: 10.1016/j.memsci.2013.11.043
Language: en
Status of Item: Peer reviewed
Appears in Collections:Chemical and Bioprocess Engineering Research Collection

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