DISSOLUTION AND RECOVERY OF AT LEAST ONE ELEMENT Nb OR Ta AND OF AT LEAST ONE OTHER ELEMENT U OR RARE EARTH ELEMENTS FROM ORES AND CONCENTRATES

The main subject-matter of the present invention is a process for the dissolution of at least one element chosen from niobium and tantalum and at least one element chosen from uranium and the rare earth elements, advantageously for the dissolution of niobium, tantalum, uranium and rare earth element...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	DURUPT NICOLAS, LAROCHE GUILLAUME, AGIN JEROME, HAMMY FATIMA, GRECO ANTOINE, THIRY JACQUES
Format:	Patent
Sprache:	eng ; rus
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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