Comparison of models for the relative static permittivity with the e-CPA equation of state
TL;DR: In this paper , the authors compared five different models of the relative static permittivity when they are used in the electrolyte Cubic Plus Association (e-CPA) equation of state.
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About: This article is published in Fluid Phase Equilibria. The article was published on 01 Oct 2022. and is currently open access. The article focuses on the topics: Relative permittivity & Permittivity.
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Citations
Systematic evaluation of parameterization approaches for the ePPC-SAFT model for aqueous alkali halide solutions
Fufang Yang,Tri Dat Ngo,Juan Sebastian Roa Pinto,Georgios M. Kontogeorgis,Jean-Charles de Hemptinne +4 more
TL;DR: In this paper , an analysis of various electrolyte SAFT model approaches through a rigorous benchmarking on extensively collected and critically evaluated databases is presented, and state-of-the-art parameter sets are obtained for the ePPC-SAFT model.
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Comparisons of equation of state models for electrolytes: e-CPA and e-PPC-SAFT
TL;DR: In this article , two successful Equations of State (EoS) are compared, i.e., the electrolyte Cubic Plus Association (e-CPA) EoS and the e-PPC-SAFT EoS, for the relative static permittivity.
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Systematic evaluation of parameterization approaches for the ePPC-SAFT model for aqueous alkali halide solutions. II. Alkali bromides, iodides, fluorides, and lithium halides
TL;DR: In this paper , state-of-the-art ion-specific parameter sets for the ePPC-SAFT model are obtained for 15 aqueous alkali halide solutions based on extensively collected and critically evaluated databases.
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Composition-dependence of relative static permittivity in ePPC-SAFT for mixed-solvent alkali halides
Yuan‐Yuan Duan,Georgios M. Kontogeorgis,Jean-Charles de Hemptinne +2 more
TL;DR: The ePPC-SAFT model accurately represents thermodynamic properties of mixed-solvent electrolyte solutions by correcting the solvent and salt composition dependence of the relative static permittivity. However, unphysical behavior is observed when correcting for both the co-solvent and salt composition dependence. Therefore, it is recommended to correct for the RSP co-solvent composition dependence only.
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References
Importance of the Relative Static Permittivity in electrolyte SAFT-VR Mie Equations of State
TL;DR: In this article , the influence and importance of the relative static permittivity (RSP) in electrolyte equations of state is examined for the case of aqueous sodium chloride.
Molecular theory of solvated ion dynamics. III. The kinetic dielectric decrement
TL;DR: In this article, a microscopic theory of the kinetic dielectric decrement in ionic solutions is developed, which clarifies the physical origin of the effect, showing that it is analogous to the electrophoretic effect, and corrects a violation of the reciprocity relations in the original continuum treatment of Hubbard and Onsager.
The effect of concentration- and temperature-dependent dielectric constant on the activity coefficient of NaCl electrolyte solutions.
Mónika Valiskó,Dezső Boda +1 more
TL;DR: The II+IW model can explain the experimental behavior using a concentration-dependent dielectric constant and that the artificial concept of "solvated ionic radius" assumed by earlier studies does not need to be considered.