Fluidized bed reactor with back-mixing for dehydrogenation...

Details Fluidized bed reactor with back-mixing for dehydrogenation... Fluidized bed reactor with back-mixing for dehydrogenation...

2011-03-08

2011-03-08

Singh, Prem C (Department: 1771)

Chemistry of hydrocarbon compounds

Unsaturated compound synthesis

With heat conservation or using solid or molten inert heat...

C585S654000, C585S659000, C585S660000, C585S661000, C502S308000, C422S138000, C422S144000, C422S146000, C122S00400R, C122S00700A

Reexamination Certificate

active

07902416

ABSTRACT:
An improved process and system for the endothermic dehydrogenation of an alkane stream is described. The process and system of the present invention comprise a back-mixed fluidized bed reactor. The alkane stream is dehydrogenated in a single reactor stage by contacting the alkane stream with a back-mixed fluidized bed of catalyst. Deactivated catalyst is withdrawn from the back-mixed fluidized reactor and heated to produce hot regenerated catalyst. The hot regenerated catalyst is returned to the back-mixed fluidized bed reactor at a rate sufficient to maintain the back-mixed fluidized bed reactor at substantially isothermal conditions.

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patent: 2004/0092391 (2004-05-01), Rokicki et al.
patent: WO 2005077867 (2005-08-01), None

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