Feed mixing techique for fluidized catalytic cracking of hydroca

Details Feed mixing techique for fluidized catalytic cracking of hydroca Feed mixing techique for fluidized catalytic cracking of hydroca

1984-10-26

1985-06-18

Gantz, D. E.

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Solids contacting and mixing

208113, 208153, 208164, C10G 1118

Patent

active

045239878

ABSTRACT:
In a fluid catalytic cracking process comprising admixing a hydrocarbon oil feed with hot regenerated catalyst in the bottom section of a reactor riser, passing the mixture of the hydrocarbon oil feed and the catalyst through the riser, thereby at least partially volatilizing the oil feed and effecting cracking thereof at the process temperature under endothermic process conditions and deactivating the catalyst by deposition of carbonaceous deposits thereon, separating the deactivated catalyst from the cracked hydrocarbonaceous feed, passing the deactivated catalyst to a regenerator vessel wherein the carbonaceous deposits are removed from the deactivated catalyst under exothermic process conditions by means of a regenerating medium introduced into the regenerator vessel, and passing the regenerated hot catalyst substantially above process cracking temperature to the bottom section of the reactor riser; the improvement comprising

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