Thermodynamic Properties and Phase Equilibria in the H2O-HNO3-UO2(NO3)2 System

被引：3
|
作者：
Maliutin, A. S. [1 ]
Kovalenko, N. A. [1 ]
Uspenskaya, I. A. [1 ]
机构：
[1] Moscow MV Lomonosov State Univ, Dept Chem, Moscow 119991, Russia
来源：
MOSCOW UNIVERSITY CHEMISTRY BULLETIN | 2020年 / 75卷 / 02期
基金：
俄罗斯基础研究基金会;
关键词：
thermodynamic modeling; Pitzer model; nitric acid; uranyl nitrate; thermodynamic properties; vapor-liquid equilibrium; solid-liquid equilibrium; NITRIC-ACID; URANYL-NITRATE; AQUEOUS-SOLUTIONS; VAPOR-PRESSURES; WATER; COEFFICIENTS; SOLUBILITY; MIXTURES; HNO3-H2O; ION;
D O I：
10.3103/S0027131420020091
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A set of Pitzer interaction parameters is proposed to describe thermodynamic properties of the H2O-UO2(NO3)(2)-HNO3 solution within the temperature range of 15 to 50 degrees C and ranges of concentrations of HNO3 and UO2(NO3)(2) of 0 to 40 and 0 to 8 mol/kg, respectively. The experimental data on the vapor pressures of the volatile components of the system, degree of dissociation of nitric acid, and solid-liquid equilibria are used to determine these parameters.
引用
收藏
页码：65 / 71
页数：7
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