4.2 Article

Extraction and separation of lanthanides from aqueous chloride and nitrate media using mixtures of binary extractants based on secondary and tertiary amines

Journal

MENDELEEV COMMUNICATIONS
Volume 31, Issue 1, Pages 116-118

Publisher

ELSEVIER
DOI: 10.1016/j.mencom.2021.01.036

Keywords

solvent extraction; lanthanides; mixtures of binary; extractants; separation; stripping

Funding

  1. State Assignment of N. S. Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences

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Mixtures of dicyclohexylammonium caprylate with dicyclohexylammonium di(2-ethylhexyl) phosphate and with trioctylammonium di(2-ethylhexyl) phosphate were evaluated as synergistic binary extractants for the recovery and separation of lanthanides. Heavy lanthanides can be effectively separated from the light ones using mixtures of binary extractants based on secondary and tertiary amines.
Mixtures of dicyclohexylammonium caprylate with dicyclohexylammonium di(2-ethylhexyl) phosphate and with trioctylammonium di(2-ethylhexyl) phosphate were evaluated as synergistic binary extractants for the recovery and separation of lanthanides. Heavy lanthanides can be effectively separated from the light ones using mixtures of binary extractants based on secondary and tertiary amines.

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