ANTIMONY-CONTAINING RAW MATERIALS PROCESSING METHOD Russian patent published in 2019 - IPC C22B3/46 C22B30/02 

FIELD: technological processes.

SUBSTANCE: invention relates to the antimony containing raw materials processing. Method comprises bringing the original antimony-containing raw materials and aluminum chips into contact with the alkali aqueous solution in percolation mode, ensuring the antimony cementation from the antimony-containing compounds by the aluminum. Aluminum consumption is 110–130 % of the stoichiometrically required, and the alkali content in the initial aqueous solution is 20–30 g/l.

EFFECT: enabling reduction in the reagents consumption and an increase in the antimony from the feedstock extraction limiting degree.

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