JOURNAL ARTICLE

A Synergistic Extraction for the Separation of Scandium with Cyanex572 and Cyanex923.

  • Published In: ChemistrySelect, 2023, v. 8, n. 42. P. 1 1 of 3

  • Database: Academic Search Ultimate 2 of 3

  • Authored By: Luo, Bing; Ni, Shuainan; Fu, Xinyu; Sun, Xiaoqi 3 of 3

Abstract

This paper investigates the synergistic extraction performance of Scandium using a mixture of Cyanex572 and Cyanex923 in sulfuric acid medium. The results show that the best synergistic effect is achieved when the pH value of the aqueous phase is 2 and the mole fraction of Cyanex572 is 0.5, with a synergy coefficient value R of 4.78. In addition, the extraction mechanism of this synergistic system is discussed, and the extracted complex is determined to be [Sc(SO4)0.5(HL2)2B2] by slope analysis. The loaded Scandium can be stripped within two times by 2 mol/L sulfuric acid to obtain a stripping efficiency of 99.4 %. Finally, this synergistic system was applied to extract Scandium, demonstrating the potential application in separation of Scandium from the leachate of laterite nickel ore. [ABSTRACT FROM AUTHOR]

Additional Information

  • Source:ChemistrySelect. 2023/11, Vol. 8, Issue 42, p1
  • Document Type:Article
  • Subject Area:Chemistry
  • Publication Date:2023
  • ISSN:2365-6549
  • DOI:10.1002/slct.202302380
  • Accession Number:173626857
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