Uranium/plutonium and uranium/neptunium separation by the Purex process using hydroxyurea

被引：0
|
作者：
Zhu, ZW [1 ]
He, JY [1 ]
Zhang, ZF [1 ]
Zhang, V [1 ]
Zhu, JM [1 ]
Zhen, WF [1 ]
机构：
[1] China Inst Atom Energy, Beijing 102413, Peoples R China
来源：
JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY | 2004年 / 262卷 / 03期
关键词：
D O I：
暂无
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
Hydroxyurea dissolved in nitric acid can strip plutonium and neptunium from tri-butyl phosphate efficiently and has little influence on the uranium distribution between the two phases. Simulating the IB contactor of the Purex process by hydroxyurea with nitric acid solution as a stripping agent, the separation factors of uranium/plutonium and uranium/neptunium can reach values as high as 4.7.10(4) and 260, respectively. This indicates that hydroxyurea is a promising salt free agent for uranium/plutonium and uranium/neptunium separations.
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页码：707 / 711
页数：5
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