Controlled fcc catalyst regeneration using a distributed air...

Details Controlled fcc catalyst regeneration using a distributed air... Controlled fcc catalyst regeneration using a distributed air...

B - Operations, Transporting

01

J

196/111, 252/1.E

B01J 38/30 (2006.01) C10G 11/18 (2006.01)

Patent

CA 2201764

Spent FCC catalyst is regenerated under net reducing conditions in a regenerator to minimize the migration of vanadium on the spent FCC catalyst particles. Reducing conditions in at least the bottom 50% of the catalyst bed are maintained by using at least two air distribution grids located in the lower 50% of the catalyst bed.

Le catalyseur épuisé FCC est régénéré dans un régénérateur dans des conditions à effet réducteur net afin de réduire au minimum la migration du vanadium sur les particules de catalyseur FCC épuisé. On maintient des conditions réductrices dans au moins les 50% inférieurs du lit du catalyseur à l'aide d'au moins deux grilles de distribution d'air situées dans les 50% inférieurs du lit du catalyseur.

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