Thermodynamic properties of nonaqueous single salt solutions using the Q-electrolattice equation of state

A. Zuber, R. F. Checoni, M. Castier

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

The correlation of thermodynamic properties of nonaqueous electrolyte solutions is relevant to design and operation of many chemical processes, as in fertilizer production and the pharmaceutical industry. In this work, the Q-electrolattice equation of state (EOS) is used to model vapor pressure, mean ionic activity coefficient, osmotic coefficient, and liquid density of sixteen methanol and ten ethanol solutions containing single strong 1:1 and 2:1 salts. The Q-electrolattice comprises the lattice-based Mattedi-Tavares-Castier (MTC) EOS, the Born term and the explicit MSA term. The model requires two adjustable parameters per ion, namely the ionic diameter and the solvent-ion interaction energy. Predictions of osmotic coefficient at 298.15 K and liquid density at different temperatures are also presented.

Original languageEnglish
Pages (from-to)637-646
Number of pages10
JournalBrazilian Journal of Chemical Engineering
Volume32
Issue number3
DOIs
Publication statusPublished - 1 Jul 2015

Fingerprint

Density of liquids
Equations of state
Thermodynamic properties
Salts
Ions
Activity coefficients
Fertilizers
Vapor pressure
Drug products
Electrolytes
Methanol
Ethanol
Pharmaceutical Preparations
Industry
Temperature

Keywords

  • Electrolytes
  • Equation of state
  • Ethanol
  • Methanol

ASJC Scopus subject areas

  • Chemical Engineering(all)

Cite this

Thermodynamic properties of nonaqueous single salt solutions using the Q-electrolattice equation of state. / Zuber, A.; Checoni, R. F.; Castier, M.

In: Brazilian Journal of Chemical Engineering, Vol. 32, No. 3, 01.07.2015, p. 637-646.

Research output: Contribution to journalArticle

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