A thermodynamic database has been developed for the LiCl-NaCl-KCl-MgCl2-CaCl2-MnCl2-FeCl2-FeCl3-CoCl2-NiCl2-AlCl3 system. All binary subsystems (except AlCl3-FeCl3) as well as all higher order (mostly ternary) subsystems for which experimental data were available have been considered. A complete critical evaluation of all available phase diagram and thermodynamic data (enthalpy of mixing, emf and vapor pressure measurements) has been performed for all condensed phases (liquid, solid solutions, stoichiometric compounds) and relevant gaseous species, and optimized model parameters have been found which best reproduce all the data simultaneously. In this way the data have been rendered self-consistent, discrepancies among the data have been identified, and extrapolations and interpolations have been performed. The models can be used with Gibbs free energy minimization software to calculate phase diagram sections, vapor pressures, and all thermodynamic properties at all compositions over extended ranges of temperature and pressure. In this paper, the results obtained for the LiCl-NaCl-KCl-MgCl2-AlCl3 subsystem are presented.
ISSN: 2576-1579
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