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Issue
Korean Journal of Chemical Engineering,
Vol.31, No.5, 868-874, 2014
Factorial design in optimization of the separation of uranium from yellowcake across a hollow fiber supported liquid membrane, with mass transport modeling
Leepipatpaiboon N, Pancharoen U, Sunsandee N, Ramakul P
The extraction and stripping of uranium(VI) from other impurity elements in yellowcake was performed simultaneously in one stage by a hollow fiber supported liquid membrane. Uranium ions were selectively extracted from yellowcake using TBP as the extractant, while thorium and some rare earth elements were rejected in the raffinate. The optimization method was carried out using 32 factorial design. The concentration of nitric acid in the feed solution and the concentration of TBP in the liquid membrane were regarded as factors in the optimization. A mass transport model focusing on the boundary layer of the extraction side was also applied. The model can predict the concentration of uranium in the feed tank at different times. The validity of the developed model was statistically evaluated through a comparison with experimental data, and good agreement was obtained.
Keywords: Factorial Design; Hollow Fiber; Liquid Membrane; Uranium; Yellowcake
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[Cited By]
  1. Pirom T, Sunsandee N, Ramakul P, Pancharoen U, Nootong K, Leepipatpiboon N, Journal of Industrial and Engineering Chemistry, 23, 109, 2015
  2. Teerachaiyapat T, Ramakul P, Korean Journal of Chemical Engineering, 33(1), 8, 2016
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