METHOD OF PREPARING PRIMARY REFRACTORY METAL

A method of preparing primary refractory metals (e.g., primary tantalum metal) by contacting a particulate refractory metal oxide (e.g., tantalum pentoxide) with a heated gas (e.g., a plasma), is described. The heated gas comprises hydrogen gas. The temperature range of the heated gas and the mass r...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	LANIN, LEONID, GREVILLE, HUGH P, SHEKHTER, LEONID NATAN, SIMKINS, LEAH F
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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