Improved microfitration devices

B - Operations – Transporting – 01 – D

Patent

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Details

B01D 65/02 (2006.01) A23J 1/00 (2006.01) B01D 1/00 (2006.01) B01D 7/00 (2006.01) C07K 1/00 (2006.01)

Patent

CA 2619004

A method of treating a hollow fiber membrane microfiltration filter having an influent side and an effluent side to improve performance of the filter is disclosed. The method entails sealing imperfections in surfaces of the filter by flushing the filter with a liquid aqueous suspension of particulates. Filter cartridge devices also are disclosed. The devices may include a bactericidal chamber. A radial flow filter may be included in the devices. The filter cartridges may include a drain tube positioned within the filter for removing of effluent generated by the filter. A plurality of filter cartridges may be positioned on the drain tube.

La présente invention concerne un traitement de filtre de microfiltration dont la membrane en fibres creuses définit un côté influent et un côté effluent, ce traitement visant à obtenir un meilleur rendement du filtre. Le procédé consiste à obturer des imperfections dans les surfaces du filtre en rinçant le filtre avec une suspension aqueuse liquide de particules. L'invention concerne également des dispositifs à cartouches filtrantes. Le dispositif peut comporter une chambre bactéricide. Un filtre à écoulement radial peut être inclus dans les dispositifs. Les cartouches filtrantes peuvent comporter un tube d'évacuation disposé à l'intérieur du filtre pour éliminer l'effluent produit par le filtre. Une pluralité de cartouches filtrantes peuvent être disposées dans le tube d'évacuation.

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