Mineral oils: processes and products – Chemical conversion of hydrocarbons – With preliminary treatment of feed
Patent
1988-11-18
1990-05-29
McFarlane, Anthony
Mineral oils: processes and products
Chemical conversion of hydrocarbons
With preliminary treatment of feed
208135, 208140, 585402, 585407, 585413, 585418, 585654, 585661, C10G 5700
Patent
active
049293346
ABSTRACT:
An improved fluid-bed reaction process and apparatus are disclosed in which feedstock is preheated and may be at least partially converted by contacting the feedstock with spent catalyst in a preheat zone. Additional benefits include a reduction in catalyst poisons and coke production in the reaction zone. By contacting the fresh feed with hot spent catalyst, at least a portion of the coke which would otherwise form in the reactor is deposited on the spent catalyst. Temporary catalyst poisons are also sorbed onto the spent catalyst. The spent catalyst is then withdrawn from the preheat zone, stripped of entrained hydrocarbon and regenerated.
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Harandi Mohsen N.
Owen Hartley
Furr Jr. Robert B.
McFarlane Anthony
McKillop Alexander J.
Mobil Oil Corp.
Speciale Charles J.
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