Mining or in situ disintegration of hard material – In situ conversion of solid to fluid – Dissolving or chemical reaction
Patent
1984-05-14
1986-07-29
Suchfield, George A.
Mining or in situ disintegration of hard material
In situ conversion of solid to fluid
Dissolving or chemical reaction
166267, 75109, 299 7, C22B 1104, C22B 1304, C22B 1512, C22B 2504
Patent
active
046028200
ABSTRACT:
A process is provided for recovering valuable metals from geothermal brine comprising introducing donor metallic particles into a geothermal zone which is dominated with hot-pressurized geothermal brine which contains a metal value selected from the group consisting of gold value, silver value, copper value, lead value, tin value and mixtures thereof. The donor metallic particle contains a donor metal selected from the group consisting of iron, zinc, aluminum and mixtures thereof. The process further comprises forming a deposit on the donor metallic particles by replacing at least a part of the donor particle with the metal values, producing a stream of the hot-pressurized geothermal brine containing the donor metallic particles which, in turn, contain the deposit of metal values, and separating the donor metallic particles from the thusly produced stream of hot-pressurized geothermal brine.
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Logan F. Eugene
Suchfield George A.
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