U(Ⅵ)在稀TBP/煤油硝酸水溶液中的分配

DISTRIBUTION OF U(Ⅵ) IN DILUTE TBP/KEROSENE-HNO_3 SOLUTION

摘要: 研究了稀TBP/煤油 (φ(TBP)≤ 1 0 % )溶液萃取低浓度铀 (ρ(U (Ⅵ ) )≤ 1 0 g/L)时 ,HNO3、Al(NO3) 3、TBP、U浓度以及温度对U(Ⅵ )分配比D(U (Ⅵ ) )的影响 ,给出了D(U (Ⅵ ) )与各因素的关系 ,并对其分配规律进行了深入的研究。

Abstract: The distribution of low concentration of U(Ⅵ) ( ρ (U)<10 g/L) in dilute TBP/kerosene HNO 3 solution follows some special rules. The influence of the concentrations of HNO 3, Al(NO 3) 3 ,TBP and uranium and temperature on the distribution ratio of U(Ⅵ) has been studied. The general rules of D (U(Ⅵ)) with the variance of some factors have been discussed.