Extraction Behaviour of Hexavalent Plutonium in the System of Dilute TBP/Kerosene

来源 :Annual Report for China Institute of Atomic Energy | 被引量 : 0次 | 上传用户:lwfpa1
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On the basis of the preparation and stabilization of Pu(Ⅵ), the distribution of it between dilute TBP/kerosene and aqueous phase is studied. The influences of the concentration of TBP, HNO3, A1(NO3)3, TBP and UO2(NO3)2 on the extraction of Pu(Ⅵ) by 5%TBP/kerosene are investigated at 28 ℃. The extraction reaction equation, the corresponding apparent equilibrium constant and the free energy change of it at temperature of 28 ℃ are obtained as follows: The influences of the concentration of TBP, HNO3, A1 (NO3) 3, TBP and UO2 (NO3 ) 2 on the extraction of Pu (VI) by 5% TBP / kerosene are investigated at 28 ° C. The extraction reaction equation, the corresponding apparent equilibrium constant and the free energy change of it at temperature of 28 ° C. are obtained as follows:
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