In situ leaching process

Details In situ leaching process In situ leaching process

1980-08-19

1982-09-21

Novosad, Stephen J.

Mining or in situ disintegration of hard material

In situ conversion of solid to fluid

Input and output wells

E21B 4328, E21C 4114

Patent

active

043503918

ABSTRACT:
A process is described for maintaining a relatively high and constant concentration in the leachate of an in situ leaching operation as the mineral value in the formation is depleted, and without reducing the daily production, by adjusting the pumping rate of lixiviant proportionally to the depletion of the mineral value. A method for achieving this result by increasing the residence time of the leach solution in the formation is also disclosed.

REFERENCES:
patent: 3574599 (1971-04-01), Ortloff et al.
patent: 4185872 (1980-01-01), Habib, Jr.
patent: 4258954 (1981-03-01), Stover

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