Zinc removal from aluminate solutions

Details Zinc removal from aluminate solutions Zinc removal from aluminate solutions

1980-07-25

1981-08-04

Carter, Herbert T.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Group iiia metal or beryllium

423121, 423122, 423561B, 23301, 23305A, C01F 706

Patent

active

042821916

ABSTRACT:
In a process of the preparation of alumina from an alumina value containing material wherein a caustic sodium aluminate process liquor is subjected to a treatment to reduce the level of zinc impurity by the addition of ZnS seed in the presence of sulfide ion, the improvement comprising:

REFERENCES:
patent: 1013511 (1912-01-01), Pipereaut et al.
patent: 1228119 (1917-05-01), Lawrie
patent: 2136376 (1938-11-01), Howath et al.
patent: 2885261 (1959-05-01), Adams et al.
patent: 3445186 (1969-05-01), Hrishikesan
patent: 3469935 (1969-09-01), Hrishikesan et al.

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