Recovery and recycle of acetic acid in an oxidation process

Details Recovery and recycle of acetic acid in an oxidation process Recovery and recycle of acetic acid in an oxidation process

1991-05-31

1992-08-25

Dees, Jose G.

Organic compounds -- part of the class 532-570 series

Organic compounds

Carboxylic acid esters

562409, 562414, 562608, C07C 6700, C07C 5116, C07C 5150

Patent

active

051420970

ABSTRACT:
Acetic acid is recovered from the mother liquor used to oxidize para-xylene to terephthalic acid by adding at least one organic compound having a melting point below 140.degree. C. and an atmospheric boiling point above 230.degree. C.

REFERENCES:
patent: 2459014 (1949-01-01), Cavanaugh et al.
patent: 4158738 (1979-01-01), Scott et al.
patent: 4268690 (1981-05-01), Komatsu et al.
patent: 4729818 (1988-03-01), Berg
patent: 4820862 (1989-04-01), Hoffmann et al.
patent: 5008450 (1991-04-01), Yamamoto et al.

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