CYANIDATION METHOD Russian patent published in 2000 - IPC

Abstract RU 2154118 C2

FIELD: hydrometallurgical processing of gold-bearing ores. SUBSTANCE: ore is ground at cyanidation and cyanidation is continued at mixing. Solid fraction is separated from gold- bearing ores by unloading pulp after cyanidation onto watertight platform. Gold is recovered from solutions; tailings are dehydrated, decontaminated and go to waste. Cyanide pulp may be subjected to preliminary centrifugal classification at separation of sand fraction for mixing overflow with gold dissolved in it followed by combining with mixing products. Degoldened cyanide solution is fed to cyanided mixing product after unloading it to watertight platform. EFFECT: enhanced efficiency of processing gold-bearing ores with no danger to surrounding medium. 4 cl, 3 dwg

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RU 2 154 118 C2

Authors

Sukhov N.N.

Demin A.M.

Trubetskoj K.N.

Chanturija V.A.

Dates

2000-08-10—Published

1998-09-08—Filed