The rate laws of propane dehydrogenation involving oxygen on an alumina-chromium catalyst promoted with Co, Ni, Bi, and K oxides were studied. The reaction was carried out in a flow reactor in the temperature range of 560-640°C at residence times of 0.5-2.5 s. A kinetic model of the process according to a probable reaction scheme was proposed. The rate constants and activation energies of individual reactions that participate in the process were found. A mathematical model of the process was developed with consid eration for material and heat balances and hydrodynamic conditions. The concentration and temperature fields and pressure along the height of the catalyst bed were calculated. The dependences of the target product yield and process selectivity on the residence time were plotted.
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