Plate filtration module

B - Operations – Transporting – 01 – D

Patent

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Details

B01D 63/08 (2006.01) B01D 61/18 (2006.01) B01D 63/00 (2006.01) B01D 65/04 (2006.01) B01D 65/08 (2006.01) B01D 69/06 (2006.01) B01D 69/10 (2006.01) C02F 3/06 (2006.01) C02F 1/44 (2006.01)

Patent

CA 2464034

The invention relates to a filtration module for purifying waste water. Said module comprises a plurality of filter membrane pockets having at least one opening (21) for draining the inner region of the same. Said pockets are vertically arranged in a rigid supporting element (11, 12) in a parallel manner, preferably at the same distance from each other, in such a way that the gaps between adjacent filter membrane pockets can be intensively crossed by a liquid. According to the invention, the filtration module is characterised in that the filter membrane pockets are essentially plane and flexible and are fixed to the supporting element on opposite sides, said supporting element comprising at least one evacuation line (20) for evacuating the liquid which is sucked out via the filter membrane pocket openings. Furthermore, the filter membrane pockets have a flexible, liquid-permeable core (16) and a plurality of flexible, liquid- permeable core elements.

L'invention concerne un module de filtration utilisé pour épurer des eaux résiduaires. Ce module comprend plusieurs poches membranaires filtrantes comportant au moins une ouverture (21) servant à l'évacuation de l'eau contenue à l'intérieur, ces poches étant disposées dans un support rigide (11, 12) verticalement, parallèlement et, de préférence, à égale distance les unes des autres de telle sorte que les interstices situés entre des poches voisines puissent être traversés par un liquide de façon intensive. Selon l'invention, ce module de filtration se caractérise en ce que les poches membranaires filtrantes sont sensiblement planes et souples et en ce qu'elles sont fixées au support par des côtés opposés, ce support comportant au moins une conduite d'évacuation (20) permettant d'évacuer le liquide sortant par les ouvertures des poches membranaires filtrantes. Par ailleurs, lesdites poches possèdent un coeur (16) souple et perméable aux liquides et/ou plusieurs éléments centraux souples et perméables aux liquides.

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