Co-precipitation of plutonium(IV) and americium(III) from nitric acid-oxalic acid solutions with bismuth oxalate

被引：4

作者：

Noronha, D. M. ^{[1
]}

Pius, I. C. ^{[1
]}

Chaudhury, Satyajeet ^{[1
]}

机构：

[1] Bhabha Atom Res Ctr, Fuel Chem Div, Bombay 400085, Maharashtra, India

来源：

JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY | 2017年 / 313卷 / 03期

关键词：

Co-precipitation; Plutonium; Americium; Bismuth oxalate; Anion exchange; EXTRACTION; HYDROLYSIS; SORPTION; REMOVAL; PU(IV);

D O I：

10.1007/s10967-017-5348-1

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

Co-precipitation of plutonium and americium from nitric acid-oxalic acid solutions with bismuth oxalate has been investigated for the removal of these long lived alpha-active nuclides from plutonium oxalate waste solutions and anion exchange effluents respectively. Strong co-precipitation of Pu(IV) and Am(III) with bismuth oxalate from a wide range of nitric acid and oxalic acid concentrations indicate feasibility of direct treatment of oxalate waste solutions and anion exchange effluents by this method. Co-precipitation of Am(III) from high nitric acid concentrations is poor, however, this could be effectively achieved, after partially neutralizing the acid with ammonia.

引用

页码：523 / 529

页数：7

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