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BIAN Xiao-yan, ZHENG Wei-fang, ZHANG Yu, YAN Tai-hong, YANG Su-liang, XIAN Liang, DI Ying, ZUO Chen. Decontamination of Zr by Acetohydroxamic Acid in Uranium Purification Cycle[J]. Journal of Nuclear and Radiochemistry, 2008, 30(4): 193-196.
Citation: BIAN Xiao-yan, ZHENG Wei-fang, ZHANG Yu, YAN Tai-hong, YANG Su-liang, XIAN Liang, DI Ying, ZUO Chen. Decontamination of Zr by Acetohydroxamic Acid in Uranium Purification Cycle[J]. Journal of Nuclear and Radiochemistry, 2008, 30(4): 193-196.
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Decontamination of Zr by Acetohydroxamic Acid in Uranium Purification Cycle

  • China Institute of Atomic Energy, P.O.Box 275(26), Beijing 102413, China

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  • Corresponding author:

    BIAN Xiao-yan

  • Received Date: November 11, 2007
  • Revised Date: December 31, 1899
    Graphical Abstract
    • Abstract
  • The effect of the concentrations of acetohydroxamic acid(AHA), HNO3 and HDBP on the distribution coefficient of Zr(Ⅳ) is studied by single-stage experiments. The result of the experiments simulating the scrubbing section of 2D extractor of the uranium purification cycle shows： D(Zr(Ⅳ)) decreases with the increase of AHA concentration or the decrease of HNO3 concentration. In uranium system，HDBP does not effect DF(Zr(Ⅳ)) when c(HDBP)≤ 0.1 mol/L. The results of the two times of counter current cascade experiments simulating the scrubbing section of 2D extractor show that DF(Zr(Ⅳ)) is 3.2×104, 4.3×104， respectively. Material balance of Zr(Ⅳ) is 100%, 98%， respectively. All the results indicate that the decontamination of Zr(Ⅳ) could be improved using AHA under the precondition of ensuring uranium recovering rate in the uranium purification cycle.
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    • References (10)
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