Scandium extraction
Resources and extractive metallurgy of scandium
Article REF: M2357 V1
Scandium extraction
Resources and extractive metallurgy of scandium

Authors : Pierre BLAZY, Virginie HERMANT

Publication date: March 10, 2013 | Lire en français

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5. Scandium extraction

The extraction of scandium is difficult, as the chemical attack on the scandiferous material must take into account the fact that scandium's chemical properties are close to those of thorium and rare earths. The main production comes from thortveitite pegmatites, uranium ore tailings and concentrates from wolframite and rare earth deposits.

5.1 Extraction from primary resources: Norwegian thortveitite and Chinese wolframite

  • Thortveitite concentrates contain 30-40% Sc 2 O 3 , 44-47% SiO 2 , 8-9.5% heavy TR, 1-1.5% light TR, 2-5% Al 2 O 3...

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