A PROCESS FOR THE PRODUCTION OF TEREPHTHALIC ACID, BY THE OXIDATION OF P-XYLENE.

摘要

A process for the production of terephthalic acid of pure white appearance by oxidising p-xylene with air or oxygen containing gases in the liquid phase in the presence of (a) cobalt salt and an inorganic bromine containing compound and or (b) cobalt bromide in an acetic acid solution containing alkali acetate at temperatures from 130 to 150C and at pressures of 4 to 7 atms.