Separation by rectification of (meth)acrylic acid from a...

Details Separation by rectification of (meth)acrylic acid from a... Separation by rectification of (meth)acrylic acid from a...

C - Chemistry, Metallurgy

07

C

C07C 57/04 (2006.01) C07C 51/21 (2006.01) C07C 51/44 (2006.01) C07C 51/48 (2006.01)

Patent

CA 2164556

In a process for the separation by rectification of (meth)acrylic acid from a mixture containing (meth)acrylic acid and an inert hydrophobic organic liquid having a boiling point higher than that of (meth)acrylic acid as main constituents and also lower aldehydes as secondary constituents, a primary amine and/or a salt thereof are added.

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