Treatment of aluminous materials

Details Treatment of aluminous materials Treatment of aluminous materials

1982-04-20

1984-10-02

Carter, Herbert T.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Group iiia metal or beryllium

423111, 423132, 423150, C01F 722

Patent

active

044747365

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: 1490021 (1924-04-01), Pedemonte
patent: 1798261 (1931-03-01), Horsfield
patent: 4239735 (1980-12-01), Eisele et al.

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