Process for the recovery and separation of arsenic from antimony

Details Process for the recovery and separation of arsenic from antimony Process for the recovery and separation of arsenic from antimony

1987-08-25

1989-02-28

Andrews, Melvyn J.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 24, 75 69, 75 77, 423 88, C22B 700

Patent

active

048082210

ABSTRACT:
Fume generated by roasting speiss is contacted with an oxygen-containing gas at an elevated temperature for a sufficient time to produce arsenic and antimony products which may be separated from each other by means such as condensation. Further, in the roasting of antimony-containing phases (such as speiss) the presence of arsenic can enhance the volatility of the antimony.

REFERENCES:
patent: 486330 (1892-11-01), Flury
patent: 1803771 (1931-05-01), Rutherford
patent: 4194904 (1980-03-01), Foerster et al.
patent: 4489046 (1984-12-01), Peterson et al.
patent: 4578254 (1986-03-01), Malmstrom
patent: 4626279 (1986-12-01), Bjornberg et al.

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