Variation in the Shape of Catalyst Modules during the Autothermal Reforming of Hexadecane, Propane, and Methane by the Mathematical Modeling Method

Mathematical modeling for the autothermal reforming of hexadecane, propane, and methane in the presence of catalyst modules of different geometric shapes has been conducted. It has been shown that a module shape that is convex toward the oncoming reaction stream can increase the maximum temperature in the frontal zone, whereas a concave shape contributes to a more uniform temperature distribution throughout the entire length of the catalyst bed. In addition, the effect of the reaction flow rate on the change in the temperature gradient has been studied; the results can subsequently be used to prevent local overheating and catalyst deactivation. The results obtained can be used as a basis for future research in the field of autothermal reforming and optimization of geometric parameters of catalysts for the conversion of hydrocarbon fuels to synthesis gas.