B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
B01D 61/18 (2006.01) B01D 61/20 (2006.01) B01D 63/02 (2006.01) B01D 65/02 (2006.01) B01D 65/06 (2006.01) B01D 65/08 (2006.01) C02F 3/06 (2006.01) C02F 1/44 (2006.01)
Patent
CA 2425167
A system is provided for withdrawing permeate from a substrate. The exemplary system includes a vessel configured to contain substrate, two or more compartments configured to receive substrate from the vessel and to return a portion of received substrate to the vessel, and a filter positioned at least partially within each of the compartments and configured to separate permeate from substrate during operation of the filter. At least one of the compartments is configured to contain cleaning solution and substantially prevent cleaning solution from contacting substrate in the vessel during cleaning of the filter. The exemplary system is configured for cleaning the filter in situ in at least one of the compartments while operating the filter in at least one other of the compartments. A method for adapting a filtration system for cleaning thereof and a method for withdrawing permeate from a substrate using a filtration system are also provided.
L'invention concerne un système permettant de retirer un perméat d'un substrat. Ce système comprend un récipient conçu pour contenir un substrat, au moins deux compartiments conçus pour recevoir le substrat provenant du récipient et pour renvoyer une partie du substrat dans le récipient, ainsi qu'un filtre positionné au moins en partie à l'intérieur de chaque compartimentent et conçu pour séparer le perméat du substrat pendant le fonctionnement du filtre. Au moins un des compartiments est conçu pour contenir une solution de nettoyage et empêcher sensiblement cette solution de venir en contact avec le substrat dans le récipient pendant le nettoyage du filtre. Le système selon l'invention est conçu pour nettoyer le filtre in situ dans au moins un compartiment pendant le fonctionnement du filtre dans au moins un autre compartiment. L'invention concerne également un procédé permettant de régler un système de filtration aux fins de nettoyage de celui-ci et un procédé permettant de retirer un perméat d'un substrat au moyen d'un système de filtration.
Del Vecchio Michael Arthur
Loudon Robert Eben
Sutton Paul Matthew
Blake Cassels & Graydon Llp
Envirogen Inc.
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