B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
B01D 65/02 (2006.01) B01D 65/06 (2006.01)
Patent
CA 2236840
The invention relates to a method of cleaning a filtration installation of the type comprising a plurality of immersed membranes in at least one tank containing an effluent to be filtered, said method being characterised in that it includes the steps consisting of: - at least partially draining the effluent contained in said tank in a way that exposes said membranes to the air; - causing at least one cleaning solution to pass through said membranes along a flow path opposite to the filtration flow of the effluent by feeding in said cleaning solution from the permeate side of said membranes.
L'invention concerne un procédé de nettoyage d'une installation de filtration du type comportant une pluralité de membranes immergées dans au moins une cuve contenant un effluent à filtrer, ledit procédé étant caractérisé en ce qu'il comprend les étapes consistant à: vidanger au moins partiellement l'effluent contenu dans ladite cuve de façon à exposer lesdites membranes à l'air; faire passer au moins une solution de nettoyage à travers lesdites membranes selon un flux inverse au flux de filtration de l'effluent, en amenant ladite solution de nettoyage du côté perméat desdites membranes.
Cote Pierre
Grelier Patricia
Tazi-Pain Annie
Otv Omnium de Traitements Et de Valorisation
Otv Sa
Oyen Wiggs Green & Mutala Llp
Zenon Environmental Inc.
Zenon Technology Partnership
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