Modeling electrolyte solutions with the extended universal quasichemical (UNIQUAC) model

✍ Scribed by Thomsen, Kaj (author)

• Book ID: 120396181
• Publisher: International Union of Pure and Applied Chemistry
• Year: 2005
• Tongue: English
• Weight: 268 KB
• Volume: 77
• Category: Article
• ISSN: 0033-4545
• DOI: 10.1351/pac200577030531

✦ Synopsis

Abstract

The extended universal quasichemical (UNIQUAC) model is a thermodynamic model for solutions containing electrolytes and nonelectrolytes. The model is a Gibbs excess function consisting of a Debye–Hückel term and a standard UNIQUAC term. The model only requires binary ion-specific interaction parameters. A unique choice of standard states makes the model able to reproduce solid–liquid, vapor–liquid, and liquid–liquid phase equilibria as well as thermal properties of electrolyte solutions using one set of parameters.