METHOF OF OBTAINED READILY VAPORIZING METALS SUCH AS ZINC, LEAD AND CADMIUM FROM SULFIDES CONTAINING MATERIALS

METHOF OF OBTAINED READILY VAPORIZING METALS SUCH AS ZINC, LEAD AND CADMIUM FROM SULFIDES CONTAINING MATERIALS

The invention relates to a method for producing zinc, cadmium, lead and other easily volatile metals from sulfidic raw materials in a pyrometallurgical process. In the method, zinc sulfide concentrate is fed into molten copper in atmospheric conditions, at a temperature of 1,450 - 1,800 DEG C, so th...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: TALONEN TIMO T, EEROLA HEIKKI J
Format: Patent
Sprache:eng ; pol
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:The invention relates to a method for producing zinc, cadmium, lead and other easily volatile metals from sulfidic raw materials in a pyrometallurgical process. In the method, zinc sulfide concentrate is fed into molten copper in atmospheric conditions, at a temperature of 1,450 - 1,800 DEG C, so that the zinc, lead and cadmium are volatilized, and the iron and copper remain in the molten metal or in the metal sulfide matte created in the furnace.