Process for pure grade acrylic acid

Details Process for pure grade acrylic acid Process for pure grade acrylic acid

C - Chemistry, Metallurgy

07

C

C07C 57/07 (2006.01) C07C 51/44 (2006.01) C07C 51/46 (2006.01) C07C 51/487 (2006.01) C07C 51/50 (2006.01)

Patent

CA 2150209

Disclosed is a continuous process for producing a pure grade of acrylic acid having residual aldehyde levels under 10 parts per million. The process applies two groups of amines sequentially and continuously in selectively reducing acrolein and furfural and may be advantageously conducted in the presence of maleic acid and maleic anhydride impurities.

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