Filter constructions and methods

B - Operations – Transporting – 01 – D

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Details

B01D 15/00 (2006.01) B01D 24/14 (2006.01) B01D 27/02 (2006.01) B01D 37/02 (2006.01) C02F 1/28 (2006.01)

Patent

CA 2325384

A method and apparatus for removing organic contaminants from an aqueous phase in which the contaminant is solubilized. In the method the aqueous phase is passed through a fluid-pervious filtration media (12) which has been infused with an absorbtion composition comprising a homogeneous thermal reaction product of an oil component selected from glycerides, fatty acids, alkenes, and alkynes; and a methacrylate or acrylate polymer component. The contaminant is thereby immobilized at said media, and the purified filtrate having passed through the filtration media (12) is collected as the product.

La présente invention concerne un procédé et un dispositif servant à supprimer d'une phase aqueuse des contaminants organiques qui y sont solubilisés. Le procédé consiste à prendre la phase aqueuse et à lui faire traverser un milieu filtrant (12) qui laisse passer les fluides et où on a mis à infuser une composition d'absorption. Cette composition comprend un produit homogène de réaction thermique d'un composant appartenant au groupe des glycérides, acides gras, alcènes et des alcynes. Cette composition comprend également un méthacrylate ou un polymère d'acrylate. On arrive ainsi, d'une part à immobiliser le contaminant au niveau du milieu filtrant considéré, et d'autre part à recueillir comme produit attendu le filtrat purifié ayant traversé le milieu filtrant (12).

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