Selective aerobic oxidation of para-xylene in sub-and supercritical water. Part 1. Comparison with ortho-xylene and the role of the catalyst

…, J Fraga-Dubreuil, E García-Verdugo, PA Hamley…

Index: Perez, Eduardo; Fraga-Dubreuil, Joan; Garcia-Verdugo, Eduardo; Hamley, Paul A.; Thomas, W. Barry; Housley, Duncan; Partenheimer, Walt; Poliakoff, Martyn Green Chemistry, 2011 , vol. 13, # 9 p. 2389 - 2396

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Citation Number: 10

Abstract

The selective, continuous, aerobic oxidations of para-xylene (pX) and ortho-xylene (oX) were performed in an identical fashion in supercritical water. The xylenes were oxidized without a catalyst and with hydrobromic acid, cobalt (II) and manganese (II) bromide catalysts. The conversions and yields to phthalic acid (OA) from oX were always significantly higher than those for terephthalic acid (TA) from pX. The formation of CO2 was ...

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