Chemistry of inorganic compounds – Treating mixture to obtain metal containing compound – Group iiia metal or beryllium
Patent
1975-08-28
1976-12-07
Andrews, M. J.
Chemistry of inorganic compounds
Treating mixture to obtain metal containing compound
Group iiia metal or beryllium
75 1R, 423127, 423625, 423629, 432 15, C01F 702
Patent
active
039963330
ABSTRACT:
A method for dehydrating alunite ore prior to further processing to recover metals therefrom, comprising exposing the ore in particulate form to burning coal as the heat supply in a fluidized bed fluidized with an oxygen containing gas. The invention is illustrated by the removal of water from alunite ore prior to further processing the ore to recover aluminum.
REFERENCES:
patent: 1137617 (1915-04-01), Hershman
patent: 2498710 (1950-02-01), Roetheli
patent: 3890425 (1975-06-01), Stevens et al.
patent: 3890426 (1975-06-01), Stevens et al.
Angevine Peter A.
Bunk Stanley A.
Rooke Philip M.
Scott Harry B.
Andrews M. J.
Earth Sciences Inc.
Hanegan Herbert M.
National Steel Corporation
Ross Kermith F.
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