Agitation system for alkylbenzene oxidation reactors

Organic compounds -- part of the class 532-570 series – Organic compounds – Carboxylic acids and salts thereof

Reexamination Certificate

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Reexamination Certificate

active

06984753

ABSTRACT:
A process for producing aromatic dicarboxylic acids by the oxidation of dimethylbenzenes wherein dimethylbenzenes are mixed with an oxygen containing gas, solvent and catalyst in a reactor and the reaction mixture is agitated with one or more asymmetric radial impellers in combination with at least one axial impeller.

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