Kinetics of the total oxidation of para-xylene and its mixtures with carbon monoxide over supported copper catalysts |
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| Authors: | Luu Cam Loc Nguyen Tri Hoang Tien Cuong Ho Si Thoang Yu A Agafonov N A Gaidai N V Nekrasov A L Lapidus |
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| Institution: | 1. Institute of Chemical Technology, Vietnam Academy of Science and Technology, Ho Chi Minh, Vietnam
2. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Moscow, 119991, Russia
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| Abstract: | The kinetics of the total oxidation of para-xylene and its mixtures with CO over alumina-supported copper catalysts has been investigated at atmospheric pressure in the temperature range from 200 to 270°C. The reactions over the catalysts 10%CuO/γ-Al2O3 and (10%CuO + 20%CeO2)/γ-Al2O3 obey the same kinetic equations in fractional rational form. These equations imply that the reactions occur at medium surface coverages of adsorbed substances and differ only in numerical values of constants. The simultaneous oxidation of para-xylene and CO reveals a complicated mutual influence associated with the formation of new intermediates inducing a change in the kinetics of the process. |
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