Method for the recovery of useful metallic components

Details Method for the recovery of useful metallic components Method for the recovery of useful metallic components

1975-11-13

1977-05-24

Andrews, M. J.

Specialized metallurgical processes, compositions for use therei

Processes

Free metal or alloy reductant contains magnesium

C22C 100

Patent

active

040253350

ABSTRACT:
Disclosed is a method for the recovery of useful metallic components such as lead, tin, copper, etc. from a closely layered member having its surface layer of copper or a copper or aluminum alloy closely layered on a back metal of steel or the like. The closely layered member is immersed in molten aluminum to dissolve therein the surface layer to separate it from the back metal, by which lead and/or tin is gathered under a molten aluminum or aluminum-copper layer and separated therefrom.

REFERENCES:
patent: 1957837 (1934-05-01), Kern

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