EFFECT OF IRON OXIDES ON RETARDATION OF Pu AND Am BY CLAY MINERALS

被引：0
作者：
Radziute, E. [1 ]
Lujaniene, G. [1 ]
Sapolaite, J. [1 ]
机构：
[1] Ctr Phys Sci & Technol, LT-02300 Vilnius, Lithuania
来源：
3RD INTERNATIONAL CONFERENCE RADIATION INTERACTION WITH MATERIAL AND ITS USE IN TECHNOLOGIES 2010 | 2010年
关键词：
Pu; Am; distribution coefficients (K-d); clay minerals; iron oxides; SORPTION;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Pu and Am sorption kinetics and pH dependences were studied. Plutonium and americium sorption equilibrium was reached during the first 30 minutes in experiments with magnetite and hematite. Wider variations in Pu(IV) uptake by goethite and hematite were observed in the acidic pH region as compared to magnetite. Americium sorption was found to be slightly pH - dependent in the system of goethite -0.1 mol L-1 NaNO3. Pu(IV) and Am(III) K-d values ranged from 9000 to 260000 ml g(-1) and from 4800 to 16000 ml g(-1), respectively.
引用
收藏
页码：270 / 273
页数：4
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