Metal value recovery

Details Metal value recovery Metal value recovery

1985-06-12

1987-05-19

Novosad, Stephen J.

Mining or in situ disintegration of hard material

In situ conversion of solid to fluid

Dissolving or chemical reaction

299 7, 299 8, 299 16, E21B 4328

Patent

active

046662120

ABSTRACT:
Metal values, particularly precious metal values, are recovered from fines on a footwall and in the fissures and cracks therein by passing a solution capable of solubilizing the metal values across the footwall. The metal values are preferably adsorbed on to a suitable support such as activated carbon underground and then the support, having the metal values adsorbed thereon, transported to the surface for further processing.

REFERENCES:
patent: 4051026 (1977-09-01), Cremers et al.
patent: 4241026 (1980-12-01), Yan
patent: 4243638 (1981-01-01), Jackovitz et al.
patent: 4489984 (1984-12-01), Savins
patent: 4526615 (1985-07-01), Johnson

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