Apparatus for recovering acetic acid from aqueous streams

Details Apparatus for recovering acetic acid from aqueous streams Apparatus for recovering acetic acid from aqueous streams

1994-03-15

1996-02-20

Bascomb, Jr., Wilbur

Distillation: apparatus

Apparatus

Systems

202169, 202183, 203 16, 203 87, 203DIG6, B01D 316, B01D 1104

Patent

active

054926033

ABSTRACT:
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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patent: 5175357 (1992-12-01), Van Brunt

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