Improvement of the sorption technology for extracting uranium from solutions and pulps

被引：1
|
作者：
Kolomiets, DN
Konopleva, LV
Sheremet'ev, MV
Golubeva, TE
Shatalov, VV
机构：
[1] All-Russia Scientific Research Institute of Chemical Engineering FGUP,
来源：
ATOMIC ENERGY | 2004年 / 97卷 / 01期
关键词：
Uranium; Porous Structure; Sorption Capacity; Initial Solution; Impurity Metal;
D O I：
10.1023/B:ATEN.0000045698.72705.85
中图分类号：
TL [原子能技术]; O571 [原子核物理学];
学科分类号：
0827 ; 082701 ;
摘要：
A method of sorption extraction of uranium from solutions and pulps containing macroscopic and trace impurities by anionites with gel or porous structure has been developed. An anionite saturated in the initial solution or pulp is treated with a solution of an alkaline agent, to which an alkaline-metal salt is added, and is presaturated with uranium in a period of 2-5 h in contact with a commercial-grade desorbate. This scheme makes it possible to intensify sorption extraction by decreasing the presaturation time, decrease the consumption of reagents and sorbent by increasing the uranium sorption capacity and selectivity, increase the quality of the finished product, and prevent impurity metals from poisoning the ionite.
引用
收藏
页码：463 / 467
页数：5
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