Method for extracting (meth)acrylic acid

Details Method for extracting (meth)acrylic acid Method for extracting (meth)acrylic acid

C - Chemistry, Metallurgy

07

C

C07C 51/48 (2006.01) C07C 57/04 (2006.01)

Patent

CA 2282492

The invention relates to a method for extracting an aqueous solution containing (meth)acrylic acid. Said solution is brought into contact with a solution containing at least one extracting agent which can be converted into (meth)acrylic acid and forms a miscibility gap with the aqueous solution to produce an organic phase containing (meth)acrylic acid and extraction agent and an aqueous phase.

Procédé d'extraction d'une solution aqueuse qui contient de l'acide (méth)acrylique, par mise en contact avec une solution qui contient au moins un agent d'extraction qui peut être converti en acide (méth)acrylique et qui forme avec la solution aqueuse une lacune de miscibilité, ce qui permet d'obtenir une phase organique qui contient l'acide (méth)acrylique et l'agent d'extraction, ainsi qu'une phase aqueuse.

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