PROCESSES FOR REFINING NIOBIUM-BASED FERROALLOYS

Refined niobium-based ferroalloys are provided by removing lead and other impurities therefrom by a process comprising charging niobium ore concentrate and/or niobium oxide or a mixture of niobium oxides to a metallothermic reaction chamber, admixing the ore concentrate and/or niobium oxide with a r...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	Sernik, Kleber A, Sousa, Clovis Antonio De Faria, Ribeiro, Eduardo Augusto Ayroza Galvão
Format:	Patent
Sprache:	eng
Schlagworte:	ALLOYS CHEMISTRY FERROUS OR NON-FERROUS ALLOYS METALLURGY PRETREATMENT OF RAW MATERIALS PRODUCTION AND REFINING OF METALS TREATMENT OF ALLOYS OR NON-FERROUS METALS
Online-Zugang:	Volltext bestellen
Tags:	Tag hinzufügen Keine Tags, Fügen Sie den ersten Tag hinzu!