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Cloud Point Extraction of Uranyl Ions Using TX-100 with N-butyl N’-Triethoxy Methyl Imidazolium/D2EHPA-H Ionic Liquid in Acetate Media

[ Vol. 7 , Issue. 1 ]

Author(s):

Sanaa Naït-Tahar and Mohamed Amine Didi   Pages 57 - 62 ( 6 )

Abstract:


Cloud point extraction (CPE) was used to extract uranium (VI) from an aqueous solution in acetate media. The methodology used is based on the formation of uranyl-ionic liquid (I) complexes and uranyl-D2EHPA soluble in a micellar phase of non-ionic surfactant (Triton X-100). The uranium (VI) complexes are then extracted into the surfactant-rich phase at ambient temperature. The ionic liquid (IL) used as a chelating agent was synthesized and characterized in this study. It is composed of N-butyl N’-triethoxy methyl imidazolium cation and anion diethylhexylphosphate (D2EHPA-H).

The effect of the ionic liquid IL on the extraction efficiency was studied in the presence and in the absence of IL’s cation in acetate medium.

Keywords:

Acetate medium, cloud-point extraction, ionic liquid, spectrometer, triton X-100, uranium.

Affiliation:

Department of Chemistry - Faculty of Sciences, Laboratory of Separation and Purification Technologies, Box 119, Tlemcen University - 13000, Tlemcen, Department of Chemistry, Faculty of Sciences,Tlemcen University, P.O. Box: 119, Tlemcen

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