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Removal of bisphenol A by a nanofiltration membrane in view of drinking water production

Zhang, Y. and Causserand, Christel and Aimar, Pierre and Cravedi, Jean-Pierre Removal of bisphenol A by a nanofiltration membrane in view of drinking water production. (2006) Water Research, vol. 40 (n° 20). 3793 -3799. ISSN 0043-1354

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Official URL: http://dx.doi.org/10.1016/j.watres.2006.09.011

Abstract

The efficiency with which a nanofiltration membrane (Desal 5 DK) removes bisphenol A(BPA) was investigated, together with the mechanisms involved. Whereas high retention (490%) was obtained at the beginning of the filtration, the observed retention coefficient(Robs) decreased to around 50% when the membrane became saturated, due to adsorption of BPA onto the membrane structure. The presence of ions (Na+, Cl) affects the Robs, this effect being attributed to a change in BPA hydrodynamic radius. Moreover, in our operating conditions, the presence of natural organic matter (1 mg/L) in the feed solution does not lead to variation in BPA retention at steady state.

Item Type:Article
Additional Information:Thanks to Elsevier editor. The definitive version is available at http://www.sciencedirect.com The original PDF of the article can be found at Wtaer Research website : http://www.sciencedirect.com/science/journal/00431354
Audience (journal):International peer-reviewed journal
Uncontrolled Keywords:
Institution:French research institutions > Institut National de la Recherche Agronomique - INRA
Université de Toulouse > Institut National Polytechnique de Toulouse - INPT
Université de Toulouse > Université Paul Sabatier-Toulouse III - UPS
French research institutions > Centre National de la Recherche Scientifique - CNRS
Other partners > Shenyang Normal University - SYNU (CHINA)
Laboratory name:
School of Chemistry and Life Science (Liaoning, China) - Environmental Science
Laboratoire de Génie Chimique - LGC (Toulouse, France) - Génie des Interfaces & Milieux Divisés (GIMD)
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Deposited By: Hélène Dubernard

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