Chemistry of inorganic compounds – Miscellaneous process
Patent
1976-05-27
1978-02-28
Vertiz, O. R.
Chemistry of inorganic compounds
Miscellaneous process
423177, 423632, 423625, 423637, 34 10, 23277R, 23262, 423DIG6, 423DIG16, B01J 826
Patent
active
040767965
ABSTRACT:
Endothermic processes are carried out in a fluidized-bed reactor which is connected to a holding reactor, solids being recirculated between the two reactors. The primary fluidized-bed reactor uses a fast-fluidized bed system in which the solids concentration decreases continuously from the bottom to the top of the reactor. After the necessary residence time in the holding reactor, solids are discharged. Solids are entrained with the gas stream from the primary reactor and are separated therefrom to be delivered to the holding reactor. The reaction is controlled by regulating the rate of recirculation of solids from the holding reactor to the fast fluidized bed reactor.
REFERENCES:
patent: 3144303 (1964-08-01), Engelmann
patent: 3579616 (1971-05-01), Reh et al.
patent: 3648380 (1972-03-01), Guilloud
patent: 3836635 (1974-09-01), Reh et al.
Reh, L. "Fluidized Bed Processing", Chemical Engineering Progress, vol. 67, No. 2, (Feb. 1971), pp. 58-63.
Plass Ludolf
Reh Lothar
Schmidt Hans-Werner
Hearn Brian E.
Metallgesellschaft Aktiengesellschaft
Ross Karl F.
Vertiz O. R.
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