Chemistry of inorganic compounds – Treating mixture to obtain metal containing compound – Group iiia metal or beryllium
Patent
1985-01-16
1987-09-22
Doll, John
Chemistry of inorganic compounds
Treating mixture to obtain metal containing compound
Group iiia metal or beryllium
423136, 423496, C01B 902, C01F 760, C01F 762
Patent
active
046954368
ABSTRACT:
A mixture of an aluminous ore and a carbon source is dried and calcined in the presence of a sulfur-containing compound. The mixture is then chlorinated to produce crude metal chlorides. Aluminum chloride is condensed and separated from the remaining metal chlorides, combined with sulfur and aluminum powder, and sublimated and desublimated so as to produce substantially pure aluminum chloride.
REFERENCES:
patent: 4082833 (1978-04-01), Wyndham et al.
patent: 4342729 (1982-08-01), Clavel et al.
patent: 4514373 (1985-04-01), Wyndham
Chaplin Gervaise M.
Swanson William M.
Wyndham Ronald
Bode George A.
Doll John
Russel Jeffrey Edwin
Toth Aluminum Corporation
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