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Simulation of methane catalytic cracking in a bubbling fluidised bed



A three-phase bubbling fluidised bed model has been developed to simulate and predict the performance of a methane catalytic cracking fluidised bed reactor, using Ni/(porous and non-porous) Al2O3 catalysts, under relevant conditions. The model includes the chemistry and hydrodynamics occurring within the fluidised bed reactor. Methane cracking kinetics, developed in a previous work using a thermo balance, was used in the model. The model predictions were compared to the results from an experimental study carried out in a lab-scale fluidised bed. Good fit between experimental data and the model was obtained under a wide range of reaction conditions.