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Extraction Kinetics of Uranium(VI) with di(2-ethylhexyl) Phosphoric Acid Using a Hollow Fiber Membrane Extractor

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Abstract

The kinetics of solvent extraction of U(VI) with di(2-ethylhexyl) phosphoric acid (HDEHP) using a microporous hydrophobic hollow fiber membrane extractor has been investigated. The effects of U(VI) and hydrogen ion concentrations in aqueous phase, HDEHP concentration in organic phase, flow velocities of aqueous and organic phase and temperature on extraction rate of U(VI) were examined. The experimental results suggest that the extraction rate of U(VI) is controlled by diffusion.

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Authors and Affiliations

  1. Department of Environmental Science and Engineering, Fudan University, Shanghai, P. R. China

    Xian-Bo Sun, Hui-Fang Du & Zhu-Xian Yang

  2. Department of Environmental Science and Engineering, Fudan University, Shanghai, P. R. China

    Zu-Ming Zhou

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  1. Xian-Bo Sun
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  2. Hui-Fang Du
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  3. Zhu-Xian Yang
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  4. Zu-Ming Zhou
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Sun, XB., Du, HF., Yang, ZX. et al. Extraction Kinetics of Uranium(VI) with di(2-ethylhexyl) Phosphoric Acid Using a Hollow Fiber Membrane Extractor. Journal of Radioanalytical and Nuclear Chemistry 245, 421–424 (2000). https://doi.org/10.1023/A:1006751630574

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  • DOI: https://doi.org/10.1023/A:1006751630574

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