Oxidation of o-Xylene over Vanadium Oxide-Potassium Sulfate Catalysts (IV):Kinetics of Oxidation in a 2-inch Fluidized Bed Reactor

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A 2-inch I.D. fluidized-bed reactor was used to investigate the stoichiometry and kinetics of the oxidation of o-xylene with air at temperatures between 370 and 410°C over V2O5-K2SO4-TiO2 catalyst. The average diameters of catalyst particles employed were 0.3, 0.5 and 0.8mm.The overall reaction rate was proportional to the concentration of o-xylene and the first order reaction rate constant of overall reaction increased with the size of catalyst particle. The apparent activation energy increased from 4kcal/mol to 10kcal/mol as the size increased from 0.3mm to 0.8mm.
公益社団法人石油学会の論文