METHOD FOR SEPARATING PRECIOUS METALS FROM MINERALS

The invention relates to a method and an apparatus for separating precious metals, especially platinum group metals and gold and silver,and optionally base metals from a starting material containing the same by a combination of pressure oxidative leaching and atmospheric halide leaching.

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Bibliographische Detailangaben
Hauptverfasser:	VILLE MIETTINEN, RIINA AHTIAINEN, JANNE KARONEN, TUUKKA KOTIRANTA
Format:	Patent
Sprache:	eng ; por
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 and an apparatus for separating precious metals, especially platinum group metals and gold and silver,and optionally base metals from a starting material containing the same by a combination of pressure oxidative leaching and atmospheric halide leaching.