Kinetics of COx formation in the homogeneous metal/bromide-catalyzed aerobic oxidation of p-xylene
✍ Scribed by Weizhen Sun; Meiying An; Weimin Zhong; Ling Zhao
- Publisher
- John Wiley and Sons
- Year
- 2012
- Tongue
- English
- Weight
- 285 KB
- Volume
- 44
- Category
- Article
- ISSN
- 0538-8066
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✦ Synopsis
The homogeneous metal/bromide-catalyzed aerobic oxidation of p-xylene with different catalyst concentrations was carried out, and the formation kinetics of CO x including CO 2 and CO was measured. The simplified elementary steps for the formation of CO x were summarized, on the basis of which the kinetic model of CO x formation was established. The model calculations were in good agreement with the experimental data for the CO 2 formation and also successfully captured the first peak of the CO formation rate as a function of time. The obtained rate constants have narrow confidence intervals, among which only k 1 and k 2 are the adjustable parameters for different catalyst conditions. The decarboxylation of the carboxyl group in aromatic acid, the oxidation of the aryl radical, and the destruction of acetic acid are