Journal
PROGRESS IN POLYMER SCIENCE
Volume 72, Issue -, Pages 1-15Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.progpolymsci.2017.05.003
Keywords
Reverse osmosis; Chlorine degradation; Polyamide membrane oxidation; Chlorine-resistant membranes
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Funding
- KU Leuven [OT/11/061]
- Belgian Federal Government [IAP 6/27]
- Research Foundation-Flanders (FWO) [1S00917N]
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Polyamide (PA) reverse osmosis (RO) membranes suffer performance decay when exposed to oxidizing species, limiting their lifetime and increasing operation costs. This article aims at reviewing the effect of chlorine species on the performance and characteristics of PA-membranes. Experimental evidence supporting different competing mechanisms for chlorine-polymer interaction will be presented, together with the influence of operational parameters. Additionally, an overview of different modification methods that exist to render PA-membranes more chlorine-resistant is given. (C) 2017 Elsevier B.V. All rights reserved.
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