Catalyst regeneration process and apparatus

Details Catalyst regeneration process and apparatus Catalyst regeneration process and apparatus

C - Chemistry, Metallurgy

10

G

196/105, 23/423

C10G 11/18 (2006.01) B01J 8/26 (2006.01) C10G 35/14 (2006.01)

Patent

CA 1046002

ABSTRACT OF DISCLOSURE Regeneration of spent catalyst contaminated by a carbonaceous deposit is conducted by contacting the spent catalyst with a hot flue gas emanating from a first dense phase regeneration zone. The heated spent catalyst is then contacted countercurrently with an oxygen-containing gas in the first dense phase regeneration zone to produce partially regenerated catalyst which is subsequently contacted concurrently with an oxygen-containing gas in a second dense phase regeneration zone.

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