Method and apparatus for recovering acetic acid from aqueous...

Details Method and apparatus for recovering acetic acid from aqueous... Method and apparatus for recovering acetic acid from aqueous...

C - Chemistry, Metallurgy

07

C

C07C 53/08 (2006.01) C07C 51/48 (2006.01)

Patent

CA 2124433

METHOD AND APPARATUS FOR RECOVERING ACETIC ACID FROM AQUEOUS STREAMS ABSTRACT OF THE DISCLOSURE Disclosed is a method and apparatus for recovering acetic acid from an acetic acid/water waste stream which includes a dehydration column into which the stream is fed and a liquid-liquid extraction system for recovering acetic acid from the condensate of the overhead stream of the dehydration column. Optionally, low pressure and/or high pressure absorber systems are provided to process vapor and/or liquid streams associated with the recovery system and/or the plant in which the acetic acid is used to further the recovery of acetic acid and reduce atmospheric pollution.

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