Process for producing high-purity metals

Details Process for producing high-purity metals Process for producing high-purity metals

1983-06-21

1984-10-16

Stallard, W.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 05BA, 75 05BB, 75 82, 75 844, 75 845, 423350, B22F 900

Patent

active

044772777

ABSTRACT:
High-purity metals are obtained by reducing the respective halides with reducing metals in the vapor phase in two or three stages, said reducing metals having greater halogen affinity than that of the metals to be reduced.

REFERENCES:
patent: 2883269 (1959-04-01), Krchma et al.
patent: 2909411 (1959-10-01), Krchma
patent: 3041145 (1962-06-01), Aries
patent: 4139438 (1979-02-01), Fey et al.

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