Method and apparatus for regeneration of hydrocarbon...

Details Method and apparatus for regeneration of hydrocarbon... Method and apparatus for regeneration of hydrocarbon...

B - Operations, Transporting

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B01J 38/20 (2006.01) B01J 8/08 (2006.01) B01J 8/12 (2006.01) B01J 38/24 (2006.01) B01J 38/44 (2006.01) C10G 35/12 (2006.01)

Patent

CA 1270783

"METHOD AND APPARATUS FOR REGENERATION OF HYDROCARBON CONVERSION CATALYST ABSTRACT Regeneration of a spent hydrocarbon conversion catalyst is accomplished by means of a moving bed of catalyst, where catalyst is passed through several treatment zones, in a unique regeneration vessel. The catalyst is first contacted with a hot oxygen-containing gas stream in a burning zone in order to remove coke. The catalyst is then passed into a drying zone for removal of water formed in the combustion zone by passing a hot dry air stream through the catalyst. This hot air stream is produced by exchange of heat with catalyst, thereby effecting cooling of the regenerated catalyst and by use of an air heating means located in the vessel. After passing through the drying zone, the air stream provides oxygen for combustion in the combustion zone.

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