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- Title
Determination of optimum conditions for the extraction and separation of lanthanum, cerium, yttrium and thorium using Taguchi method.
- Authors
Chaibou Yacouba, Abdoul-Rachid; Oral, Alparslan Enes; Sanda Bawa, Ali; Sert, Senol; Kaptanoglu, Ikbal Gozde; Turkozu, Dogukan Alkim; Natatou, Ibrahim; Yusan, Sabriye; Aytas, Sule
- Abstract
Taguchi method was applied to determine the optimum conditions for the extraction and separation of some lanthanides using three organic extractants. It was found that the optimum results were obtained with trioctylphosphine oxide (TOPO). The extraction efficiency and distribution coefficient of La(III), Ce(III), Y(III) and Th(IV) increased by increasing the salt concentration. Under these conditions 1 M HNO3, 0.1 M TOPO and 10–1 M KSCN, the extraction efficiency of all metals reached 85%. Based to the Pourbaix diagrams La3+, Ce3+, Y3+ and Th4+ were formed and the stoichiometry of the extracted complexes were Ln NO 3 3 · 2 TOPO org and Th NO 3 4 · TOPO org .
- Subjects
TAGUCHI methods; LANTHANUM; CERIUM; THORIUM; YTTRIUM; RARE earth metals; CERIUM oxides
- Publication
Journal of Radioanalytical & Nuclear Chemistry, 2023, Vol 332, Issue 11, p4807
- ISSN
0236-5731
- Publication type
Article
- DOI
10.1007/s10967-023-08908-2