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Solvent Extraction off Scandium from Wolframite Residue

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Abstract

The particular properties of scandium make it an attractive candidate for recovery by solvent extraction—one of the most important processes in hydrometallurgy for the separation, purification and concentration of metal ions. Toward this end, an acid leaching and solvent extraction system has been developed and optimized to extract scandium from wolframite residue. With the technique, the scandium oxide content in the resultant scandium hydroxide can reach 70–78 percent. Further, the concentration coefficient and total recovery of scandium oxide from the residue to the product has amounted to (1.9–3.9) × 103 3 and 76–89 percent, respectively. A mass balance is summarized in Tables I and II.

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References

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Authors
  1. Guo Gongyi
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  2. Chen Yuli
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  3. Li Yu
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Additional information

Guo Gongyi is currently with the Department of Materials Science and Engineering at Shanghai Jiao Tong University in the Peoples’ Republic of China.

Chen Yuli is currently with the Department of Chemistry and Chemical Engineering at Shanghai Technology University in the Peoples’ Republic of China.

Li Yu is currently with the Department of Materials Science and Engineering at Shanghai Jiao Tong University in the Peoples’ Republic of China.

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Gongyi, G., Yuli, C. & Yu, L. Solvent Extraction off Scandium from Wolframite Residue. JOM 40, 28–31 (1988). https://doi.org/10.1007/BF03258146

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  • DOI: https://doi.org/10.1007/BF03258146

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