Process for recovering soda and alumina values from red mud

Details Process for recovering soda and alumina values from red mud Process for recovering soda and alumina values from red mud

1976-10-08

1977-08-30

Carter, Herbert T.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Group iiia metal or beryllium

423131, 423137, C01F 708

Patent

active

040455378

ABSTRACT:
A process is disclosed for recovering the caustic and alumina values from high iron-containing Bayer red mud utilizing the so-called lime-soda-sinter process wherein a carbonaceous material such as coke is included in the sintering operation and leaching is carried out without any intermediate iron separation step.

REFERENCES:
patent: 1376563 (1921-05-01), Miquet
patent: 1422004 (1922-07-01), Sherwin
patent: 1514657 (1924-11-01), Cowles
patent: 1593364 (1926-07-01), Cowles
patent: 2964383 (1960-12-01), Kamlet
patent: 3876749 (1975-04-01), Horvath et al.
patent: 3989513 (1976-11-01), Dobos et al.
Conley et al., "Bureau of Mines, R.I.4462" June 1949, pp. 5, 6, 9-14.

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