Process for the recovery of catalyst and solvent from the...

Details Process for the recovery of catalyst and solvent from the... Process for the recovery of catalyst and solvent from the...

C - Chemistry, Metallurgy

07

C

202/58, 260/510.

C07C 63/26 (2006.01) C07C 51/265 (2006.01)

Patent

CA 1105051

ABSTRACT OF THE DISCLOSURE: The invention refers to an improved process for the recovery of the solvent and of the by-produced methyl- acetate in the synthesis of terephtalic 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): C6H4(CH3)2 + 3 O2 -> C6H4(COOH)2 = 2 H2O (1),

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