Process and system for dewatering an aqueous organic solution

Details Process and system for dewatering an aqueous organic solution Process and system for dewatering an aqueous organic solution

C - Chemistry, Metallurgy

02

F

C02F 11/12 (2006.01) B01D 61/02 (2006.01) C02F 1/44 (2006.01)

Patent

CA 2746637

An energy-efficient process for dewatering an aqueous organic solution includes using freely available solar energy to concentrate a draw solution within a reservoir. The draw solution is used in conjunction with a membrane to remove water from the organic solution in a forward osmosis process. The draw solution is diluted by the osmosis process, and returned to the reservoir to be re-concentrated and reused in the osmosis process.

L'invention porte sur un procédé à haut rendement énergétique pour la déshydratation d'une solution organique aqueuse qui comprend l'utilisation de l'énergie solaire en libre disposition pour concentrer une solution d'extraction à l'intérieur d'un réservoir. La solution d'extraction est utilisée conjointement avec une membrane pour retirer l'eau de la solution organique dans un procédé d'osmose directe. La solution d'extraction est diluée par le procédé d'osmose et renvoyée au réservoir pour être reconcentrée et réutilisée dans le procédé d'osmose.

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