Process for extraction of metals from leachable ores and forming

Chemistry of inorganic compounds – Treating mixture to obtain metal containing compound

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423 27, 423 29, 4236585, 75 3, 52606, 106107, 106110, 501155, C01G 100, C01G 500, C01G 700, E04B 504

Patent

active

044241941

ABSTRACT:
The method for extraction of precious metals from leachable ores and forming a building materials which includes the steps of crushing a quantity of leachable ore into a powder of substantially uniform particle size, mixing with a quantity of a binding material and mixing with a leaching material. The materials are then formed into a masonry building construction article having at least one passage therein. A plurality of the masonry building construction articles are stacked with at least some of the passages disposed therein in generally parallel flow paths and a solvent is passed through the passages of the masonry building construction articles.

REFERENCES:
patent: 588476 (1897-08-01), Rhodes
patent: 1907170 (1933-05-01), Ahearn
patent: 3856927 (1974-12-01), Silveston et al.
patent: 3985567 (1976-10-01), Iwu
patent: 4256706 (1981-03-01), Heinen
patent: 4279868 (1981-07-01), von Kohorn

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