Purification and realloying of arsenic/selenium alloys

Details Purification and realloying of arsenic/selenium alloys Purification and realloying of arsenic/selenium alloys

1977-07-05

1978-06-27

Stallard, W.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 05C, 75134P, 75134H, 264 13, 423510, 423561R, B22D 2308

Patent

active

040972674

ABSTRACT:
Disclosed is a method for the reclamation of arsenic containing selenium scrap which comprises separating the scrap from various contaminants therein by fractional distillation to provide selenium of high purity. The recovered selenium is realloyed by contacting it with a master arsenic/selenium alloy containing 10 to 20% arsenic which master alloy has been prepared by the vapor/liquid combination of arsenic and selenium.

REFERENCES:
patent: 2409835 (1946-10-01), Clark et al.
patent: 2930678 (1960-03-01), Oberbacher et al.
patent: 2979382 (1961-04-01), Frerichs

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