Method for leaching metal bearing ores

Details Method for leaching metal bearing ores Method for leaching metal bearing ores

1980-11-10

1981-11-17

Hearn, Brian E.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

423 29, 4236585, 75101R, C22B 300

Patent

active

043011217

ABSTRACT:
Disclosed is a method for above-ground leaching of metal bearing ores comprising (a) providing an ore body to be leached having positioned therein void-creating members, said members being positioned substantially vertical or at an angle to the horizontal plane in order that they are capable of being pulled out of said ore body in a substantially upward direction; (b) partially performing the leaching; (c) removing said members by pulling out in a substantially upward direction, thereby creating internal voids and causing shifting of ore in said ore body; and (d) completing the leaching.

REFERENCES:
patent: 3639003 (1972-02-01), Spedden
patent: 3809430 (1974-05-01), Michaelson
patent: 3834760 (1974-09-01), Spedden
patent: 3840365 (1974-10-01), Hammes
patent: 4017309 (1977-04-01), Johnson
patent: 4091070 (1978-05-01), Riggs

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