Separation of zirconium and hafnium by solvent extraction using mixture of TBP and Cyanex 923

被引：67

作者：

Taghizadeh, M. ^{[1
]}

Ghanadi, M. ^{[1
]}

Zolfonoun, E. ^{[1
]}

机构：

[1] Nucl Sci & Technol Res Inst, Nucl Fuel Cycle Res Sch, Tehran, Iran

来源：

JOURNAL OF NUCLEAR MATERIALS | 2011年 / 412卷 / 03期

关键词：

D O I：

10.1016/j.jnucmat.2011.03.033

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In this study, a new Zr/Hf separation procedure by solvent extraction is proposed. The method is based on using the mixture of TBP and Cyanex 923 as extractant in the organic phase. Several parameters including: TBP/Cyanex 923 volume ratio, extractant concentration in the organic phase, nitric acid and NaNO3 concentration in aqueous phase have been investigated. The results demonstrate better condition respect to traditional TBP/HNO3 process. Lower required acid concentration and more zirconium extraction are some advantages of the new separation process. (C) 2011 Elsevier B.V. All rights reserved.

引用

页码：334 / 337

页数：4

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