EDXRF Analysis for catalyst measurement in PIA and PTA plants Introduction The oxidation of p-xylene to produce Terephthalic Acid (TA) is enhanced by Co-Mn acetate and tetrabromo-ethane catalyst addition. The continuous on-line analysis of these catalysts; Co, Mn and Br, enables better control of the process thus enhancing yields, improving product quality and increasing throughput. Sample handling system Critical to the s

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