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 AJAC  Vol.6 No.7 , June 2015
Hollow Fiber Supported Liquid Membrane for Separation and Recovery of 152+154Eu and 90Sr from Aqueous Acidic Wastes
Abstract: Separation and recovery of 152+154Eu and 90Sr from radioactive waste using tracer concentration from active material from waste tank in the ET-RR1 Egypt via hollow fiber supported liquid membrane (HFSLM) were achieved. The Polypropylene was used as supporter to carrier 0.5M Cyanex301/kerosene (bis(2,4,4-trimethylpentyl)dithiophosphinic acid and 0.1MEDTA as stripping of 152+154Eu and 90Sr ions from nitrate medium at pH ~3.6. The separation factor was found to be ~4 for 152+154Eu over 90Sr. The aqueous feed of mass transfer coefficient (ki) and the organic mass transfer coefficient (km) were calculated to be (1.52 and 4.5) × 10﹣2cm/s, respectively. In addition, the mass transfer modeling was performed and the validity of the developed model from experimental data was found to join in well with the theoretical values when the Cyanex301 concentration is higher than 1% (v/v). The number of cycles evaluated for complete separation of 152+154Eu and 90Sr is five cycles.
Cite this paper: Kassem, A. , Selim, Y. and El-Said, N. (2015) Hollow Fiber Supported Liquid Membrane for Separation and Recovery of 152+154Eu and 90Sr from Aqueous Acidic Wastes. American Journal of Analytical Chemistry, 6, 631-643. doi: 10.4236/ajac.2015.67061.
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