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本文以肼作稳定剂,在中间工厂规模的混合澄清槽设备上研究了TBP萃取流程的铀钚反萃过程中硝酸铀(Ⅳ)还原剂的动态稳定性及肼的反应产物叠氮酸的最大积累浓度。实验中测得铀(Ⅳ)的稳定性高于文献报道的数据;叠氮酸的最大积累浓度远低于允许浓度,从而肯定了硝酸铀(Ⅳ)用作铀钚还原反萃过程中还原剂的可能性。
In this paper, the hydrazine stabilizers were used to study the dynamic stability of uranium (Ⅳ) reductant during the TBP extraction process and the maximum reaction of hydrazine Accumulate concentration. The stability of uranium (Ⅳ) measured in the experiment was higher than that reported in the literature. The maximum accumulation concentration of azido acid was much lower than the allowable concentration, which confirmed that uranium nitrate (Ⅳ) was used as reducing agent in the process of reduction and stripping of uranium-plutonium The possibility of.