Method for above-ground leaching of metal bearing ores at below-

Details Method for above-ground leaching of metal bearing ores at below- Method for above-ground leaching of metal bearing ores at below-

1981-01-12

1982-09-07

Purser, Ernest R.

Mining or in situ disintegration of hard material

In situ conversion of solid to fluid

Input and output wells

75101R, 166DIG1, E21B 4328

Patent

active

043480560

ABSTRACT:
Disclosed is a method permitting above-ground heap leaching of metal bearing ores in below-freezing temperatures by utilizing one or more insulating layers deposited on the principal ore body to be leached. One of said layers is an insulating ore layer covering multiple leach liquor outlets positioned above said principal ore body. Other insulating layers may be comprised of a flexible sheet and a crust of frozen leach liquor.

REFERENCES:
patent: 3510169 (1970-05-01), Moss
patent: 4247331 (1981-01-01), Hamlin et al.
Heap Leaching of Uranium, A Case History Mining Engineering, Mar. 1978, pp. 285-290.

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