Propriétés thermophysiques des solutions aqueuses de sels 1

1 avec l'équation d'état de réseau pour électrolytes

Translated title of the contribution: Thermodynamic properties of 1: 1 salt aqueous solutions with the electrolattice equation of state

A. Zuber, R. F. Checoni, R. Mathew, J. P L Santos, F. W. Tavares, M. Castier

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

The electrolattice Equation of State (EOS) is a model that extends the Mattedi- Tavares-Castier EOS (MTC EOS) to systems with electrolytes. This model considers the effect of three terms. The first one is based on a lattice-hole model that considers local composition effects derived in the context of the generalized Van der Waals theory: the MTC EOS was chosen for this term. The second and the third terms are the Born and the MSA contributions, which take into account ion charging and discharging and long-range ionic interactions, respectively. Depending only on two energy interaction parameters, the model represents satisfactorily the vapor pressure and the mean ionic activity coefficient data of single aqueous solutions containing LiCl, LiBr, LiI, NaCl, NaBr, NaI, KCl, KBr, KI, CsCl, CsBr, CsI, or RbCl. Two methods are presented and contrasted: the salt-specific and the ion-specific approaches. Therefore, the aim of this work is to calculate thermodynamic properties that are extensively used to design, operate and optimize many industrial processes, including water desalination.

Original languageFrench
Pages (from-to)255-270
Number of pages16
JournalOil and Gas Science and Technology
Volume68
Issue number2
DOIs
Publication statusPublished - Mar 2013

Fingerprint

Equations of state
Thermodynamic properties
Salts
Composition effects
Ions
Activity coefficients
Desalination
Vapor pressure
Electrolytes
Water

ASJC Scopus subject areas

  • Chemical Engineering(all)
  • Energy Engineering and Power Technology
  • Fuel Technology

Cite this

Propriétés thermophysiques des solutions aqueuses de sels 1 : 1 avec l'équation d'état de réseau pour électrolytes. / Zuber, A.; Checoni, R. F.; Mathew, R.; Santos, J. P L; Tavares, F. W.; Castier, M.

In: Oil and Gas Science and Technology, Vol. 68, No. 2, 03.2013, p. 255-270.

Research output: Contribution to journalArticle

Zuber, A. ; Checoni, R. F. ; Mathew, R. ; Santos, J. P L ; Tavares, F. W. ; Castier, M. / Propriétés thermophysiques des solutions aqueuses de sels 1 : 1 avec l'équation d'état de réseau pour électrolytes. In: Oil and Gas Science and Technology. 2013 ; Vol. 68, No. 2. pp. 255-270.
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