Process for smelting and recovery of a material containing noble

Details Process for smelting and recovery of a material containing noble Process for smelting and recovery of a material containing noble

1974-08-19

1977-06-14

Andrews, M. J.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 83, C22D 700

Patent

active

040294943

ABSTRACT:
A process and an apparatus for the smelting of a material containing noble metals, especially anode slime produced in the electrolytic copper process, in order to recover the noble metals, whereby slag-forming materials are mixed with the material containing noble metals, whereafter the mixture is smelted in an induction furnace to produce a metal phase and a slag phase, the slag is then removed at least partly before the melt is exposed to an oxidizing treatment in the same or in another induction furnace, and finally the refined metal is recovered.

REFERENCES:
patent: 2131045 (1938-09-01), Hickman et al.
patent: 2478225 (1949-08-01), Atkinson
patent: 2944886 (1960-07-01), Fisher et al.
patent: 3676105 (1972-07-01), McLeod et al.
patent: 3902890 (1975-09-01), Sanmiya et al.

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