Identification and quantification of foulant in submerged membrane reactor

J. Lebegue UMR Génie des Procédés Eau et Bioproduits (UMR-IRAD 016), Université Montpellier II

R. Aryal Faculty of Engineering and Information Technology, University of Technology, Sydney, P.O. Box 123, Broadway, NSW 2007, Australia Phone: +61295144084 Fax: +61295144084

H.K. Shon Faculty of Engineering and Information Technology, University of Technology, Sydney, P.O. Box 123, Broadway, NSW 2007, Australia Phone: +61295144084 Fax: +61295144084

S. Vigneswaran Faculty of Engineering and Information Technology, University of Technology, Sydney, P.O. Box 123, Broadway, NSW 2007, Australia Phone: +61295144084 Fax: +61295144084

M. Heran UMR Génie des Procédés Eau et Bioproduits (UMR-IRAD 016), Université Montpellier II

A. Grasmick UMR Génie des Procédés Eau et Bioproduits (UMR-IRAD 016), Université Montpellier II

Abstract

In submerged membrane system, membrane fouling is linked to the reversible accumulation of macromolecules and solids on the membrane surface and the irreversible sorption of soluble molecules inside the pores. In the first part of the paper, the fouling was analysed at two different aeration rates through the determination of membrane resistance due to (a) sludging (R _sludging), (b) irreversible biofilm (R _biofilm) and (c) adsorption of organic (R _adsorption). These results confirm the importance of aeration for sludge control in the bundle. In the second part of the paper, irreversible foulant obtained at different aeration rates were characterised. Membrane air flow rate limits adsorption of biopolymers onto or into the membrane surface.

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Identification and quantification of foulant in submerged membrane reactor

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Identification and quantification of foulant in submerged membrane reactor

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