Purification of acetic acid with ozone in the presence of an oxi

Details Purification of acetic acid with ozone in the presence of an oxi Purification of acetic acid with ozone in the presence of an oxi

1991-04-19

1992-10-13

Garner, Vivian

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

Organic compounds

Carboxylic acids and salts thereof

562519, C07C 5147, C07C 51487, C07C 5150, C07C 5308

Patent

active

051552663

ABSTRACT:
Acetic acid containing iodide, unsaturates and carbonyl impurities is purified by treatment with ozone in the presence of an oxidation catalyst. The acetic acid product may be further contacted with activated carbon or ion-exchange resins for additional removal of impurities.

REFERENCES:
patent: 3928434 (1975-12-01), Saunby
patent: 4664753 (1987-05-01), Erpenbach
patent: 5003104 (1991-03-01), Paulik et al.

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