Sorption of Pu(IV) on Aliquat-336 impregnated silica-gel from nitric acid-oxalic acid medium

被引：7
|
作者：
Bhanushali, RD [1 ]
Pius, IC [1 ]
Mukherjee, SK [1 ]
Vaidya, VN [1 ]
机构：
[1] Bhabha Atom Res Ctr, Div Fuel Chem, Mumbai 400085, India
来源：
JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY | 2002年 / 254卷 / 02期
关键词：
D O I：
10.1023/A:1021623916383
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
A new ion exchange material prepared by impregnating Aliquat-336 on silica-gel has been investigated for the recovery of plutonium from nitric-oxalic acid solutions. The distribution ratio of Pu(IV) was studied at various concentrations of nitric and oxalic acids. The presence of Al(III) and Fe(III) in the solution, enhances the uptake of Pu(IV). Pu(IV) breakthrough capacities (btc) have been determined using 2.5 ml bed of the ion exchange material column in the absence and the presence of Al(III) and Fe(III) nitrate. The elation behavior of Pu(IV) was also studied using nitric acid solutions containing reducing agents. More than 90% of plutonium could be recovered from nitric-oxalic acid solutions.
引用
收藏
页码：299 / 303
页数：5
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