Membrane cleaning with pulsed airlift pump

Details Membrane cleaning with pulsed airlift pump Membrane cleaning with pulsed airlift pump

B - Operations, Transporting

01

D

B01D 61/18 (2006.01) B01D 61/20 (2006.01) B01D 63/04 (2006.01) B01D 65/02 (2006.01) B01D 65/08 (2006.01) C02F 1/44 (2006.01) C02F 3/12 (2006.01)

Patent

CA 2688455

A method of cleaning a membrane surface immersed in a liquid medium with a fluid flow, including the steps of providing a randomly generated intermittent or pulsed fluid flow along the membrane surface to dislodge fouling materials therefrom. A membrane module is also disclosed comprising a plurality of porous membranes (6) or a set of membrane modules (5) and a device (11) for providing a generally randomly generated, pulsed fluid flow such that, in use, said fluid flow moves past the surfaces of said membranes (6) to dislodge fouling materials therefrom.

L'invention concerne un procédé de nettoyage d'une surface de membrane immergée dans un milieu liquide avec un écoulement de fluide, comprenant les étapes consistant à fournir un écoulement de fluide intermittent ou pulsé produit de manière aléatoire le long de la surface de membrane pour déplacer des matériaux d'encrassement à partir de celle-ci. Un module de membrane est également décrit comprenant une pluralité de membranes poreuses (6) ou un ensemble de modules de membrane (5) et un dispositif (11) pour fournir un écoulement de fluide généralement produit de manière aléatoire, pulsé, de telle sorte que, en utilisation, l'écoulement de fluide se déplace devant les surfaces des membranes (6) pour enlever des matériaux d'encrassement à partir de celles-ci.

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