OXIDATION OF P-XYLENE AND P-TOLUIC ACID METHYL ESTER WITH OXYGEN-CONTAINING GAS
PROBLEM TO BE SOLVED: To provide a method for oxidation, with the aid of an oxygen- containing gas, of p-xylene(pX) and p-toluic acid methyl ester (pTE) by the Witten-Hercules method (DMT method), which produces dimethyl terephthalate in at least two partial stages in the presence of a catalyst. SOL...
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