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LAN Tian, LUO Fang-xiang, XIAO Song-tao, LIU Xie-chun, YANG He, MENG Zhao-kai. Reductive Stripping of High Content Plutonium With Hydroxylamine Nitrate[J]. Journal of Nuclear and Radiochemistry, 2016, 38(3): 154-158. DOI: 10.7538/hhx.2016.38.03.0154
Citation: LAN Tian, LUO Fang-xiang, XIAO Song-tao, LIU Xie-chun, YANG He, MENG Zhao-kai. Reductive Stripping of High Content Plutonium With Hydroxylamine Nitrate[J]. Journal of Nuclear and Radiochemistry, 2016, 38(3): 154-158. DOI: 10.7538/hhx.2016.38.03.0154
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Reductive Stripping of High Content Plutonium With Hydroxylamine Nitrate

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

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  • The effect factors on reductive stripping of high content plutonium with hydroxylamine nitrate（HAN） from 30%TBP/OK were studied in this paper. The results show that prolonging the contact time, reducing HNO3 concentration and increasing the temperature all are favorable to reductive stripping of Pu(Ⅳ). Although increasing the HAN concentration is also in favor of reductive stripping of Pu(Ⅳ), it’s not visible for increasing percentage of reductive stripping Pu when the HAN concentration is more than 0.4 mol/L. Increasing the hydrazine concentration is also in favor of reductive stripping of Pu(Ⅳ), but the percentage of reductive stripping Pu is reduced with increasing of the hydrazine concentration when the hydrazine concentration is more than 0.2 mol/L. The effect of nitrate ion concentration on reductive stripping of Pu(Ⅳ) is greatly and the percentage of reductive stripping reduces with the increasing of concentration of plutonium. The process of reductive stripping for high content plutonium is affected significantly by the distribution of plutonium between liquid and organic.
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