Treatment of aluminous materials

Details Treatment of aluminous materials Treatment of aluminous materials

1984-05-10

1985-10-22

Carter, H. T.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Group iiia metal or beryllium

423131, 423111, C01F 722

Patent

active

045487952

ABSTRACT:
A leaching process employing acidic chloride solutions, whereby the iron content of aluminous materials such as lower grade iron-containing bauxite ores is reduced, enabling the obtention of valuable products such as metallurgical grade alumina and refractory grade bauxite, previously obtainable only from higher grade low-iron aluminous materials.

REFERENCES:
patent: 1519648 (1924-12-01), Williams
patent: 2217099 (1940-10-01), Burman
patent: 2947604 (1960-08-01), Laist
patent: 3485579 (1969-12-01), Vancil et al.
patent: 4224287 (1980-09-01), Ziegenbalg et al.

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