RECOVERY OF GOLD AND SILVER FROM COMPLEX REFRACTORY SULPHIDE ORES BY CYANIDISATION AND OXIDATION WITH PEROXIDES

The recovery of noble metals by sodium cyanide leaching from complex refractory gold and silver bearing ores containing such complex silver sulphides as polybasite, pearcite, pyrargyrite, tetrahedrite and argentite presents difficulties in that the precious metal is trapped inside the refractory mat...

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Hauptverfasser:	SPIETH, MICHELLE ANNE, SMITH, TREVOR JOHN, RODEN, STEPHEN JAMES, CHOUZADJIAN, KEVORK AVADIS
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	CHEMISTRY FERROUS OR NON-FERROUS ALLOYS METALLURGY PRETREATMENT OF RAW MATERIALS PRODUCTION AND REFINING OF METALS TREATMENT OF ALLOYS OR NON-FERROUS METALS
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