Process for the recovery of the solvent and of the by-produced m

Details Process for the recovery of the solvent and of the by-produced m Process for the recovery of the solvent and of the by-produced m

1980-01-30

1981-02-10

Siegel, Alan

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

Organic compounds

Carboxylic acids and salts thereof

562414, 562416, 560241, 560248, 203 60, C07C 51255, C07C 6700, C07C 6748, B01D 334

Patent

active

042503302

ABSTRACT:
The invention refers to an improved process for the recovery of the solvent and of the by-produced methylacetate in the synthesis of terephthalic acid, said synthesis being usually consisting of an oxidation of paraxylene with air, in the presence of a catalyst system composed by cobalt, manganese and bromine, in a solvent consisting of acetic acid, according to the equation (1):

REFERENCES:
patent: 2833817 (1958-05-01), Saffer
patent: 3487108 (1969-12-01), Chibnik

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