Processes
Technical Paper

Production of Niobium metal and compounds from tantalite-columbite natural ores and synthetic tantalum-Niobium concentrates

International Symposium Niobium'81

1981
Rockenbauer, Wilfried
The present paper discusses methods for breaking down tantalum-Niobium ores and synthetic tantalum-Niobium concentrates and for separating tantalum from Niobium. For the production of Niobium compounds such as chloride, oxide, metal and carbide a variety of different processes have been developed. Among those, the liquid - liquid extraction, chlorination of ores and ferroalloys, the aluminothermic and carbothermic reduction are the most important ones. (AU)
Technical Paper (PDF 203.21 KB)
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