System and method for removing dissolved gas from a solution

Details System and method for removing dissolved gas from a solution System and method for removing dissolved gas from a solution

B - Operations, Transporting

01

D

B01D 19/00 (2006.01) A61M 5/24 (2006.01) A61M 5/30 (2006.01)

Patent

CA 2440983

Systems and methods are described for removing dissolved gases from a liquid either prior to or following filling into a container. Prior to filling, gas is removed by creating a pressure differential, by application of heat, by sonication, or by generating a liquid by combination of dry solute and de- gassed solvent. Alternatively, liquids may be highly concentrated with solute to force dissolved gas out of solution and later diluted with de-gassed solvents. In other embodiments, gases are percolated into liquids to displace atmospheric gases, wherein these percolated gases separate from solution and diffuse out of sealed containers after filling, either by nature of their molecular size or by chemical reaction with materials constructed into the container.

L'invention porte sur des systèmes et des procédés d'extraction de gaz dissous dans des liquides avant ou après le remplissage d'un récipient. Avant le remplissage, le gaz est extrait par création d'un différentiel de pression, application de chaleur, sonification, ou par élaboration d'un liquide en combinant un soluté sec et un solvant dégazé. En variante les liquides peuvent être fortement concentrés en soluté dans une solution pour forcer le gaz dissous à s'échapper de la solution qui est ensuite diluée dans des solvants dégazés. Dans d'autres exécutions on percole les gaz dans des liquides pour déplacer les gaz atmosphériques, lesdits gaz percolés de séparant de la solution et se diffusant hors des récipients scellés après remplissage, soit en raison de la nature de la taille de leur molécules, soit par réaction chimique avec les matériaux constitutifs des récipients.

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