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Solvent extraction of uranium from leach solutions obtained in processing of Polish low-grade ores

机译:从波兰低品位矿石加工中获得的浸出溶液中溶剂萃取铀

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摘要

Solvent extraction of uranium from acidic and alkaline post-leaching liquors that were obtained by leaching of Polish ores is reported in this paper. The stripping of uranium from organic to aqueous phase was also studied. The synergistic mixture of 2-diethylhexylphosphoric acid (D2EHPA) and tri-n-butylphosphate (0.2 M:0.2 M) was found as a good extracting agent for uranium. Recovery of uranium was reached even 98 %. The effect of such parameters like uranium concentration and concentration of reagents used in the experiments was evaluated in advance by using a model uranium solutions.
机译:本文报道了从酸性和碱性浸出液中萃取铀的方法,这些浸出液是通过波兰矿石的浸出获得的。还研究了铀从有机相到水相的汽提。发现2-二乙基己基磷酸(D2EHPA)和磷酸三正丁酯(0.2M:0.2M)的协同混合物是铀的良好萃取剂。铀的回收率甚至达到98%。通过使用模型铀溶液预先评估诸如铀浓度和实验中所用试剂浓度之类的参数的效果。

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