Purification of impure Bayer process liquors

Details Purification of impure Bayer process liquors Purification of impure Bayer process liquors

1983-02-08

1984-02-07

Carter, Herbert T.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Group iiia metal or beryllium

423122, 423127, 423128, 423129, C01F 706

Patent

active

044303106

ABSTRACT:
Bayer process caustic liquors are purified by treating the liquors with an organic solvent of relatively low boiling point, such as methanol, which causes the precipitation of inorganic carbonate and/or sulfate salt from the treated liquor. The treating solvent can be readily recovered for reuse.

REFERENCES:
patent: 3341286 (1967-09-01), Mercier et al.
patent: 4036931 (1977-07-01), Roberson et al.
patent: 4101629 (1978-07-01), Mercier et al.

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