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Chem Soc Rev. 2008 Feb;37(2):365-405. doi: 10.1039/b610848m. Epub 2007 Oct 8.

Solvent resistant nanofiltration: separating on a molecular level.

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Centre for Surface Chemistry and Catalysis, Faculty of Bioscience Engineering, Catholic University Leuven, Kasteelpark Arenberg 23 - bus 2461, B-3001, Leuven, Belgium.


Over the past decade, solvent resistant nanofiltration (SRNF) has gained a lot of attention, as it is a promising energy- and waste-efficient unit process to separate mixtures down to a molecular level. This critical review focuses on all aspects related to this new burgeoning technology, occasionally also including literature obtained on aqueous applications or related membrane processes, if of relevance to understand SRNF better. An overview of the different membrane materials and the methods to turn them into suitable SRNF-membranes will be given first. The membrane transport mechanism and its modelling will receive attention in order to understand the process and the reported membrane performances better. Finally, all SRNF-applications reported so far - in food chemistry, petrochemistry, catalysis, pharmaceutical manufacturing - will be reviewed exhaustively (324 references).

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