$Process for recovering gold and silver from refractory ores$

Process for recovering gold and silver from refractory ores

The present invention is directed to flotation of refractory gold sulfide ores in which the ore is ground, floated, the tailings reground, and refloated to produce gold- bearing concentrates.

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Bibliographische Detailangaben
Hauptverfasser:	GORAIN, BARUN, MCMULLEN, JACQUES, HILLIER, DANIEL
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY CRUSHING, PULVERISING, OR DISINTEGRATING CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL DIFFERENTIAL SEDIMENTATION FERROUS OR NON-FERROUS ALLOYS FLOTATION MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLIDMATERIALS OR FLUIDS MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROMSOLID MATERIALS OR FLUIDS METALLURGY MILLING GRAIN PERFORMING OPERATIONS PREPARATORY TREATMENT OF GRAIN FOR MILLING PRETREATMENT OF RAW MATERIALS PRODUCTION AND REFINING OF METALS SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATICTABLES OR JIGS TRANSPORTING TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Beschreibung
Zusammenfassung:	The present invention is directed to flotation of refractory gold sulfide ores in which the ore is ground, floated, the tailings reground, and refloated to produce gold- bearing concentrates.