Process for the extraction of platinum group metals

Details Process for the extraction of platinum group metals Process for the extraction of platinum group metals

1984-06-18

1987-08-11

Andrews, Melvyn J.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 83, C22B 1100

Patent

active

046859632

ABSTRACT:
A process for separating platinum group metals (PGM's) from various feedstock materials, is disclosed, wherein a plasma arc flame is employed to produce a superheated puddle on the surface of a slag layer to accelerate the association of platinum group metals with a collector material and formation of a recoverable layer of platinum group metals and collector material.

REFERENCES:
patent: 1841207 (1932-01-01), Powell et al.
patent: 3304169 (1967-02-01), Death et al.
patent: 3783167 (1974-01-01), Tylko
patent: 3920789 (1975-11-01), Pittie et al.
patent: 4135923 (1979-01-01), Day
patent: 4188362 (1980-02-01), Edwards
patent: 4295881 (1981-10-01), Saville

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