PROCESS OF LEACHING GOLD AND SILVER

Gold and/or silver is leached from comminuted ore with an alkaline cyanide lixiviant at a superatmospheric pressure of at least 25 bar and with high purity oxygen, at least 90% pure, to reduce the residence time at high yield.

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Bibliographische Detailangaben
Hauptverfasser:	BINGS, HUBERT, TURKE, WOLFGANG, PIETSCH, HARTMUT, KAMPF, FRITZ, BAREUTHER, ERNST
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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Beschreibung
Zusammenfassung:	Gold and/or silver is leached from comminuted ore with an alkaline cyanide lixiviant at a superatmospheric pressure of at least 25 bar and with high purity oxygen, at least 90% pure, to reduce the residence time at high yield.