Abstract
To compare the equilibrium yields of pyrolysis products and real kinetic data, studies on the thermal contact pyrolysis of propane were carried out. To determine the equilibrium yields of pyrolysis products, the method of minimizing the energy of the system was used, the advantage of which is the need to know only the initial and final composition of the components of the reaction system. The possibility of predicting the yields of propane pyrolysis products using calculated equilibrium thermodynamic yields is shown. It is shown that the accuracy of the calculated data depends on the pyrogas components formed during pyrolysis specified at the beginning of the calculation. It is established that the actual concentrations of pyrolysis products in the pyrogas can be both higher and lower than the calculated equilibrium concentrations, which will only indicate that the equilibrium state of the system is reached or not reached during the process. This method can be used for pyrolysis of other hydrocarbons for the purpose of preliminary assessment of the maximum possible yields of products during the process.
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