Recovery of americium from nitric acid solutions containing calcium by different co-precipitation methods

被引:19
|
作者
Charyulu, MM [1 ]
Chetty, KV [1 ]
Phal, DG [1 ]
Sagar, V [1 ]
Naronha, DM [1 ]
Pawar, SM [1 ]
Swarup, R [1 ]
Ramakrishna, VV [1 ]
Venugopal, V [1 ]
机构
[1] Bhabha Atom Res Ctr, Div Fuel Chem, Mumbai 400085, India
关键词
D O I
10.1023/A:1015023117562
中图分类号
O65 [分析化学];
学科分类号
070302 ; 081704 ;
摘要
Recovery of americium from nitric acid solutions was studied by co-precipitation as hydroxide with various ions like calcium, ferric, nickel using sodium hydroxide and ammonium hydroxide. Studies were also carried out to recover americium using lanthanum fluoride and bismuth phosphate co-precipitation. All the methods are able to co-precipitate Am quantitatively. However, co-precipitation of Am with optimum concentration iron using ammonia is found to be better from nitric acid solutions containing large concentrations of calcium ions. Approximately 2 g of Am was recovered from 150 litres of solution batch wise using iron.
引用
收藏
页码:153 / 154
页数:2
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