Filter means and method for the purification of water

Details Filter means and method for the purification of water Filter means and method for the purification of water

B - Operations, Transporting

01

D

B01D 63/08 (2006.01) B01D 61/14 (2006.01) B01D 61/22 (2006.01) B01D 65/10 (2006.01) B01D 69/10 (2006.01) B01D 69/12 (2006.01) C02F 1/44 (2006.01)

Patent

CA 2248556

Filter element for the filtration of water, which comprises an innermost drainage layer, two layers of microporous membrane, symmetrically disposed adjacent to the two sides of the drainage layer, two layers of a prefilter, symmetrically disposed adjacent to the two outer sides of the microporous membrane layers, the microporous membrane layers and the prefilter layers being sealed together along a top edge, the drainage layer and the microporous membrane layers are sealed to said prefilter layers at the bottom of these latter and the microporous membrane layers and the depth filter layers being wider than the drainage layer, and being sealed together along their lateral edges.

L'invention porte sur un filtre d'eau qui comprend une couche de drainage placée la plus à l'intérieur de l'ensemble, deux couches de membranes microporeuses placées symétriquement près des deux côtés de la couche de drainage, deux couches de préfiltre placées symétriquement près des deux côtés extérieurs des couches de membranes microporeuses, celles-ci et les couches de préfiltre étant scellées ensemble le long d'un bord supérieur; la couche de drainage et les couches de membranes microporeuses sont scellées aux couches de préfiltre au bas de ces dernières. Les couches de membranes microporeuses et les couches de filtration en profondeur sont plus larges que la couche de drainage et sont scellées ensemble le long de leurs bords latéraux.

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