ApplicationNo. 380172 filed on 07/18/1973
US Classes:502/40, And adding heat by admixing solid heat carrier208/120.01, With group III metal, rare earth metal, or metal oxide (i.e., Sc, Y, Al, Ga, In, Tl, metal of atomic number 57-71 or oxide thereof)208/164, Solids transferring422/144Including means to strip reaction mass from, or to regenerate, the particulate matter (including fluidized bed regenerators, per se)
ExaminersPrimary: Douglas, Winston A.
Assistant: Konopka, P. E.
Attorney, Agent or Firm
AbstractA fluid catalytic cracking - catalyst regeneration system is described wherein regeneration of a crystalline zeolite hydrocarbon conversion catalyst is accomplished at an elevated temperature in the presence of regenerated catalyst mixed therewith in the upper portion of a bed of regenerated catalyst with the mix ratio controlled as a function of the amount of primary regeneration gas introduced to a lower portion of the bed of regenerated catalyst.