A process for regenerating a spent catalyst having coke deposits thereon in a catalyst regeneration vessel having a dense phase and a dilute phase, wherein the process comprises the steps of: (a) contacting the spent catalyst with a primary oxygen-containing gas in the dense phase, thereby combusting...http://www.google.es/patents/US6579820?utm_source=gb-gplus-sharePatente US6579820 - Reactor modifications for NOx reduction from a fluid catalytic cracking regeneration vessel
Reactor modifications for NOx reduction from a fluid catalytic cracking ...