Supercritical fluid extraction involving hydrofluoroalkanes

Details Supercritical fluid extraction involving hydrofluoroalkanes Supercritical fluid extraction involving hydrofluoroalkanes

B - Operations, Transporting

01

D

B01D 11/02 (2006.01) C08C 2/02 (2006.01) C08C 3/02 (2006.01) C08F 6/28 (2006.01)

Patent

CA 2180676

A process for separating a first component of a composition from a second component of a composition. The process involves contacting the composition with a supercritical fluid comprising 1,1,1,2 tetrafluoroethane or 1,1,1,2,3,3,3-heptafluoropropane, or a mixture thereof, in the supercrital state under conditions and for a time sufficient to remove the first component from the composition.

Procédé pour séparer un premier composant d'une composition d'un deuxième composant d'une composition. Ce procédé consiste à mettre la composition en contact avec un fluide supercritique comprenant du 1,1,1,2-tétrafluoroéthane ou du 1,1,1,2,3,3,3-heptafluoropropane ou un mélange de ceux-ci, dans un état supercritique dans des conditions suffisantes ou pendant un laps de temps adéquat pour retirer le premier composant de la composition.

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