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US 2005/0087477 A1Published application
Circulating fluid bed reactor system
OwnerJames Lattner, Jeffrey Smith +1inventors
InventorsJames Lattner, Jeffrey Smith, Rathna Davuluri
Life of this patent
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Abstract
This invention is to a circulating fluid bed reactor that is designed so as to have the ability to adjust catalyst holdup within the reaction zone of the reactor while maintaining substantially constant catalyst circulation rate through the reaction zone. The ability to adjust catalyst hold up independently of catalyst circulation rate provides an advantage of having the ability to maintain a constant conversion level as catalyst activity or feed rates change.
Claims9
1-9. (canceled)
A circulating fluid bed reactor comprising:
- a reaction having an inlet and outlet;
- and
- a separation means apart from the reaction zone outlet for increasing or decreasing catalyst holdup within the reaction zone while maintaining substantially constant catalyst circulation rate through the reaction zone.
Dependencies are inferred from the claim text.