Possible methodology for niobium, tantalum and scandium separation in ferrocolumbite

摘要

Ferrocolumbite is a well-known source of Ta, Nb and Sc: However, separation of these elements from such ores/ process tailings, as well from each other is problematic, and typically involves numerous separation steps and very corrosive and hazardous chemicals. An investigation was therefore launched to evaluate alternative separation options. As part of this endeavour it was necessary to investigate accurate quantification methods to be able to trace the elements during any proposed process.