The invention describes an integrated process for capturing CO2 emitted by at least a portion of the flue gas coming from the regeneration zone of a catalytic cracking unit using a unit for amine treatment of said flue gas, in which the catalytic cracking unit is equipped with an external exchanger using as the hot fluid a portion of the catalyst removed from the regeneration zone, the heat necessary for the amine treatment unit being supplied integrally by the catalytic cracking unit using the steam generated by said external exchanger.
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