Method for recovering methyl acetate and residual acetic acid in

Details Method for recovering methyl acetate and residual acetic acid in Method for recovering methyl acetate and residual acetic acid in

1999-02-24

2000-11-21

Barts, Samuel

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

Organic compounds

Carboxylic acid esters

562608, 562414, C07C 6748

Patent

active

061505536

ABSTRACT:
A method for recovering methyl acetate and residual acetic acid in a two-stage process for producing pure terephthalic acid having a first oxidation stage and a second purification stage.

REFERENCES:
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patent: 1917391 (1933-07-01), Othmer
patent: 2050234 (1936-08-01), Othmer
patent: 2050235 (1936-08-01), Othmer
patent: 2317758 (1943-04-01), Guinot
patent: 2395010 (1946-02-01), Othmer
patent: 2667502 (1954-01-01), Steitz et al.
patent: 2801265 (1957-07-01), Coutor
patent: 3052610 (1962-09-01), Akaboshi et al.
patent: 3394058 (1968-07-01), Hohenschutz
patent: 3844903 (1974-10-01), Willersinn et al.
patent: 4204915 (1980-05-01), Kurata et al.
patent: 4250330 (1981-02-01), Costantini et al.
Othmer, D. F., Azeotropic separation, Chemical Engineering Progress, 59, No. 6, 67-78, Jun. 1963.

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