Tantalum Ore Extraction

1. Digestion of the ore or concentrate with hydrofluoric acid. 2. Sxtractibn of niobium and tantalum from the digested mass with an organic solvent suoth as methyl isobutyl ketone. 3. Separation of tantalum and niobium by continuous countercxirrent multistage extraction using an organic solvent and an aqueous scrubbing solvent.

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