METHOD OF CYANIDE LEACHING OF PRECIOUS METALS Russian patent published in 1997 - IPC

Abstract RU 2086687 C1

FIELD: gold and silver mining. SUBSTANCE: disintegrated gold and/or silver- containing mineral material is mixed with water, lime, and cyanide. Resultant pulp is loaded into container and agitated with air. According to invention, pulp is fed and agitated simultaneously using gas-liquid jet ejection with ejection coefficient 0.01-0.80. Gas- liquid jet contains 10-80-% vol. of liquid. EFFECT: increased leaching rate up to 2 times. 1 tbl

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RU 2 086 687 C1

Authors

Mamilov V.V.

Lobanov V.G.

Kraev V.N.

Dates

1997-08-10—Published

1995-05-31—Filed