ACID LEACH PROCESS FOR TREATING MAGNETIC AND NON-MAGNETIC NICKEL-COPPER MATTES

Magnetic and non-magnetic nickel- copper mattes are treated by an acid pressure leach in which the initial phase is leached out under oxidizing conditions until up to 70% of nickel values are extracted, at which time the leach is continued under non-oxidizing conditions. Copper values are converted...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	WEIR DONALD ROBERT, KERFOOT DEREK GEORGE EAGLAND, WEIZENBACH BAUKE, MASCHMEYER DENNIS G
Format:	Patent
Sprache:	eng
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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