Production of Purified Terephthalic Acid Using the Spray Process Method
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The production of purified terephthalic acid (PTA) is currently done using the Amoco Mid-Century (MC) method. This method uses a Continuously Stirred Tank Reactor (CSTR) for the oxidation of para xylene into PTA. By changing this reaction vessel to a semi batch spray reactor, researchers at the Center of Environmentally Beneficial Catalysis (CEBC) have recently discovered the environmental and economic benefits over using the MC method.