Process for the digestion of goethite-containing bauxites

Details Process for the digestion of goethite-containing bauxites Process for the digestion of goethite-containing bauxites

1975-09-29

1977-05-31

Carter, Herbert T.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Group iiia metal or beryllium

423131, C01F 706

Patent

active

040269892

ABSTRACT:
The present invention provides for an improvement in the Bayer Aluminum manufacturing process wherein the digestion of goethite-containing bauxite is effected in higher yields, at lower temperatures and in a single step by carrying out said digestion in a wet caustic solution containing both calcium oxide and sodium chloride.

REFERENCES:
patent: 2181669 (1939-11-01), Scholder
patent: 2519362 (1950-08-01), Flint et al.
patent: 3737514 (1973-06-01), King

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