Recovery of Scandium from Sulfuric Acid Aqueous Solutions using Ion-Exchange Resin

DOI Web Site 1 Citations 13 References
  • WATANABE Hiroto
    Niihama Research Laboratories, Sumitomo Metal Mining Co., Ltd.
  • HAYATA Jiro
    Harima Refinery, Sumitomo Metal Mining Co., Ltd.
  • ASANO Satoshi
    Research & Development Planning & Administration Dept., Sumitomo Metal Mining Co., Ltd.
  • MURASE Kuniaki
    Department of Materials Science and Engineering, Kyoto University

Bibliographic Information

Other Title
  • イオン交換樹脂を用いた硫酸水溶液からのスカンジウムの回収

Abstract

<p>Ion-exchange process with chelating resins was investigated for recovery scandium from sulfuric acid aqueous solutions. An iminodiacetic acid type chelating resin, Diaion CR11, had a higher Sc adsorption selectivity than other elements. Diaion CR11 had high trivalent ions adsorption, and almost divalent ions other than nickel were not adsorbed. The adsorbed metal ions were eluted with sulfuric acid, and scandium was separated from aluminum, nickel and chromium. Only iron (III) showed a behavior similar to scandium and was difficult to separate with Diaion CR11. The elution behavior was related to the stability constants of the complex of iminodiacetic acid and metal ions.</p>

Journal

  • Journal of MMIJ

    Journal of MMIJ 138 (5), 51-59, 2022-05-31

    The Mining and Materials Processing Institute of Japan

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