Responsive gels and methods of use thereof

Details Responsive gels and methods of use thereof Responsive gels and methods of use thereof

B - Operations, Transporting

01

D

B01D 39/14 (2006.01) B01D 35/16 (2006.01) B01D 35/18 (2006.01) B01D 37/00 (2006.01) B01D 61/04 (2006.01)

Patent

CA 2367571

The present invention provides variable pore size filters. The variable pore size filters of the present invention comprise a fabric matrix, having a set pore size, wherein the fabric matrix is coated with a gel that expands and shrinks in response to a trigger. When the gel is expanded, the pore size of the filter is small and filtering is accomplished. When the gel is shrunken, the pore size of the filter is large and cleaning of the filter by a backwash or forward flush of fluid is accomplished.

L'invention concerne des filtres à taille de pores variable, comprenant une matrice de tissu possédant une taille de pore fixe recouverte d'un gel s'expansant et se rétractant en réaction à un élément déclencheur. Lorsque le gel est expansé, la taille du pore du filtre est petite et la filtration peut avoir lieu. Lorsque le gel est rétracté, les dimensions des pores du filtre sont grandes et on peut procéder au nettoyage du filtre par rinçage, à contre-courant ou non.

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