Apparatus for beneficiating ores

Metallurgical apparatus – Means for treating ores or for extracting metals

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Details

422269, 209461, C22B 302

Patent

active

052956652

ABSTRACT:
A method and apparatus for treating mineral-bearing ores and, more particularly, for treating particulate ores containing precious metals, base metals and the like for separating and recovering said values by classifying the particulate ore on a bed of particulate material, preferably coarse particulate material, and by continuously chemically leaching the said values from the ore. In accordance with an embodiment of the invention, particulated ore is fluidized and intermittently moved through a tank to classify the ore particles into strata according to size, shape and density to beneficiate values, either heavier or lighter than the gangue, for recovery of concentrated values. In accordance with another embodiment of the present invention, crushed or ground ore is moved through a vat leaching jig in such a manner as to cause the heavier metal-laden or other values-laden particles or larger gangue particles to differentially settle to the bottom of the apparatus, which can then be extracted separately and wholly from the values such as gold or precious metal values which may be chemically leached from the ore and recovered by filtering through the bed of particulate material.

REFERENCES:
patent: 1946663 (1934-02-01), Behnke
patent: 3860394 (1975-01-01), Tepas, Jr. et al.

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