Kinetics of oxidative dehydrogenation of LPG to olefins on Dy-Li-Cl-Zr-O catalyst

The kinetics of oxidative dehydrogenation of LPG, a mixture of 50mol% propane, 25mol% butane and 25mol% isobutene, on a high-performance Dy-Li-Cl-Zr-O catalyst was studied. Experimental data measured over a range of concentrations and temperatures was the basis for the development of a kinetic model. Sixteen reactions that include oxidative dehydrogenation and cracking to olefins and oxidation to carbon monoxide and carbon dioxide were included in the model. The kinetic parameters were estimated using SIMULSOLV. Comparison of predicted and experimental data measured in two different modes of operation yielded a good agreement.