Heap leaching device

Details Heap leaching device Heap leaching device

1980-11-10

1982-03-09

Chiesa, Richard L.

Chemical apparatus and process disinfecting, deodorizing, preser

Physical type apparatus

Means separating or dissolving a material constituent

75101R, 299 5, 422274, 423 27, 4236585, B01D 1102

Patent

active

043188923

ABSTRACT:
Disclosed is a hollow, elongated heap leaching device for use in above-ground leaching of metal bearing ores. The device has an annular cross-section, an inlet opening near its upper end, a restriction or closure at or near its lower end and narrow slits in its walls above the restriction or closure. The cross-sectional area at its lower end must be sufficiently large to allow it to unsupportedly rest vertically on a leach pad or layer of ore while ore is piled against it.

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patent: 4017309 (1977-04-01), Johnson
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