Chemistry of inorganic compounds – Treating mixture to obtain metal containing compound – Iron group metal
Patent
1980-05-01
1981-12-08
Cooper, Jack
Chemistry of inorganic compounds
Treating mixture to obtain metal containing compound
Iron group metal
423DIG2, 423540, 423541R, 423633, C01B 1750, C01G 4906
Patent
active
043047599
ABSTRACT:
The invention provides a process for thermally decomposing salts, containing mainly ferrous sulfate wherein said feed material is contacted in a single suspension-type exchanger with exhaust gases formed by reaction of the oxygen-containing gases in the fluidized bed reactor, the fluidizing gas and at least a partial stream of the secondary gas stream are heated by an indirect heat exchange in a fuel-heated heat exchanger, and the quantity of oxygen introduced via which consists of the fluidizing gas and the secondary gas, is controlled in dependence on the quantity of fuel in order to receive an exhaust gas from the suspension-type exchanger with a free oxygen content of 1-6% by volume and a temperature of 300.degree.-450.degree. C.
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Daradimos Georg
Hirsch Martin
Reh Lothar
Thomas Jorg
Cooper Jack
Metallgesellschaft AG
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