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High pressure membrane foulants of seawater, brackish water and river water: origin assessed by sugar and bacteriohopanepolyol signatures

Lookup NU author(s): Dr Helen Talbot


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The present work aimed to study the origin of foulant material recovered on membranes used in water treatment. Firstly, sugar signatures were assessed from the monosaccharide composition. As results were not conclusive, a statistical approach using discriminant analysis was applied to the sugar data set in order to predict the origin of the foulant material. Three groups of various origins (algal, microbial, continental dissolved organic matter) were used as sugar references for the prediction. The results of the computation showed that the origin of reverse osmosis (RO) seawater foulant material is influenced by both the location of the water sources and the season. RO brackish water and nanofiltration river water foulant materials had a terrestrial origin. Secondly, bacteriohopanepolyol signatures indicated that RO seawater foulant material had a marine signature, RO brackish water foulant material had both a marine and a terrestrial origin and the nanofiltration river water foulant material contained only a terrestrial signature.

Publication metadata

Author(s): Mondamert L, Labanowski J, N'Goye F, Talbot HM, Croue JP

Publication type: Article

Publication status: Published

Journal: Biofouling

Year: 2011

Volume: 27

Issue: 1

Pages: 21-32

Print publication date: 01/01/2011

ISSN (print): 0892-7014

ISSN (electronic): 1026-7867

Publisher: Taylor & Francis Ltd.


DOI: 10.1080/08927014.2010.536614


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