Modelling of uranium reprocessing extraction systemстатья
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Дата последнего поиска статьи во внешних источниках: 16 ноября 2017 г.
Аннотация:Modeling of the H2O–HNO3–UO2(NO3)2–TBP–diluent system has been considered
herein. Mole fractions, volume fractions and rational activity coefficients are used
in order to create the system of equations on the basis of the mass action law. The method
of calculating activity coefficients is provided. Water distribution was taken into account
due to the significant importance of free water. Solvate parameters were determined in
three subsystems. Application of activity coefficients of nitric acid and uranyl nitrate in
mixed solutions was considered during the calculation of the H2O–HNO3–UO2(NO3)2–
TBP–diluent system.
Keywords: TBP extraction model Uranyl nitrate Nitric acid Activity coefficients