Solvent extraction of uranium(VI) and separation of vanadium(V) from sulfate solutions using Alamine 336

被引：46
作者：
Kumar, Jyothi Rajesh [1 ]
Kim, Joon-Soo [1 ]
Lee, Jin-Young [1 ]
Yoon, Ho-Sung [1 ]
机构：
[1] Korea Inst Geosci & Mineral Resources KIGAM, Mineral Resources Res Div, Met Recovery Dept, Taejon 305350, South Korea
来源：
JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY | 2010年 / 285卷 / 02期
关键词：
Uranium(VI); Solvent extraction; Vanadium(V) separation; Sulfate solutions; Alamine; 336; LIQUID-LIQUID-EXTRACTION; HYDROCHLORIC-ACID SOLUTIONS; PHOSPHORIC-ACID; SYNERGISTIC MIXTURE; PHOSPHINE OXIDE; U(VI); KEROSENE; RECOVERY; CYANEX-923;
D O I：
10.1007/s10967-010-0552-2
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
The present scientific study on uranium(VI) solvent extraction and vanadium(V) separation from sulfate solutions using Alamine 336 as an extractant diluted in kerosene was established. The preliminary experiments indicating the uranium extraction process will follow the solvation as well as ion-exchange mechanisms. In the present acid region (0.1-1.0 mol dm(-3) H2SO4) it showing the ion-exchange type mechanism. Time (1-120 min) and temperature (25-55 A degrees C) not influencing the present extraction system. Other experimental parameters like loading capacity of Alamine 336, stripping of uranium from loaded organic phase, recycling of Alamine 336 and separation of uranium(VI)/vanadium(V) was studied.
引用
收藏
页码：301 / 308
页数：8
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