Patent ID: 8293670

Claim:
A process for regenerating a catalyst in a propane dehydrogenation process comprising: passing dehydrogenation catalyst having coke deposited on the catalyst to a regenerator; passing auxiliary fuel to the regenerator, wherein the auxiliary fuel produces 67% to 75% of the energy needs of a dehydrogenation reactor; and heating the dehydrogenation catalyst in the regenerator to at least 575° C., wherein the catalyst is mixed with a regeneration gas such that the velocity of the mixture of gas and catalyst is at least between 1.1 m/s and 1.5 m/s in the regenerator, thereby producing a regenerated catalyst stream, and wherein the catalyst is recirculated within the regenerator to provide a density of the gas and catalyst in the regenerator of between 0.06 g/cc and 0.38 g/cc.