引用本文:
余绍宁, 周祖铭, 龚健, 卞麦英. 磷酸三丁酯从硝酸介质中萃取铀(Ⅵ)的动力学研究[J]. 应用化学,
1992, 9(1): 61-64.
Citation: Yu Shaoning, Zhou Zuming, Gong Jian, Bian Maiying. KINETIC STUDIES ON THE SOLVENT EXTRACTION OF URANIUM (Ⅵ) FROM NITRIC ACID SOLUTION WITH TRIBUTYL PHOSPHATE[J]. Chinese Journal of Applied Chemistry, 1992, 9(1): 61-64.
Citation: Yu Shaoning, Zhou Zuming, Gong Jian, Bian Maiying. KINETIC STUDIES ON THE SOLVENT EXTRACTION OF URANIUM (Ⅵ) FROM NITRIC ACID SOLUTION WITH TRIBUTYL PHOSPHATE[J]. Chinese Journal of Applied Chemistry, 1992, 9(1): 61-64.
磷酸三丁酯从硝酸介质中萃取铀(Ⅵ)的动力学研究
English
KINETIC STUDIES ON THE SOLVENT EXTRACTION OF URANIUM (Ⅵ) FROM NITRIC ACID SOLUTION WITH TRIBUTYL PHOSPHATE
Abstract:
The kinetics of extraction of uranium (Ⅵ) from nitric acid solution by tributyl phophate (TBP) in cyclohexane was investigated using single drop and Lewis cell technique.The extraction rate were found to be pseudo-first order with respect to the concentration of uranium (Ⅵ). It was increased with increasing concentration of TBP between 0~0.5 mol/L TBP and had a max/mum at about 4 mol/L nitric acid or nitrate in aqueous solution. The rate was almost independent of the extraction temperature. It is suggested that the extraction rate of uranium(Ⅵ) is controlled by the diffusion of complex UO2(NO2)3·2TBP from interface into organic phase.
-
Key words:
- uranium
- / nitric acid
- / extraction
- / kinetics
-
-
扫一扫看文章
计量
- PDF下载量: 0
- 文章访问数: 880
- HTML全文浏览量: 37
下载:
