Hydrometallurgical process for the production of antimony

Details Hydrometallurgical process for the production of antimony Hydrometallurgical process for the production of antimony

1975-05-27

1976-10-19

Andrews, R. L.

Chemistry: electrical and wave energy

Processes and products

Electrostatic field or electrical discharge

204128, C25C 122, C25B 100, C25B 126

Patent

active

039869431

ABSTRACT:
A hydrometallurgical process for pollution-free recovery of metallic antimony from stibnite and other antimony-containing materials by (a) reduction of ferric chloride by such materials to produce ferric chloride and antimony (III) chloride, (b) recovery of metallic antimony, preferably by electrolysis, (c) regeneration of the ferric chloride, and (d) purge of impurities. Optionally, the metallic antimony thus produced may be subsequently oxidized if desired to produce high purity antimony oxide. The process is amenable to cyclical operation.

REFERENCES:
patent: 2331395 (1943-10-01), Holmes
patent: 3108934 (1963-10-01), Beau
patent: 3755106 (1973-08-01), Scheiner et al.

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