Equation-of-State Modeling of Solid-Liquid-Gas Equilibrium of CO2 Binary Mixtures

Ilias K. Nikolaidis, Georgios C. Boulougouris, Loukas D. Peristeras, Ioannis Economou

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

Thermodynamic models of different complexity have been used to model the solid-fluid equilibrium (SFE) of pure carbon dioxide (CO2) and binary mixtures of CO2 with other compounds. The models used to describe the solid phase include an empirical correlation fitted on experimental data at SFE conditions, a model based on thermodynamic integration, and a solid-phase equation of state (EoS) developed for pure CO2. These models have been coupled with Peng-Robinson, Soave-Redlich-Kwong, and Perturbed Chain-Statistical Associating Fluid Theory EoS and have been applied to mixtures of CO2 with N2, H2, and CH4, where CO2 forms the solid phase, and also to mixtures of CO2 and ethylene with naphthalene and phenanthrene, where the heavier compound forms the solid. Very good agreement with experimental data has been achieved in all cases, both with no binary interaction parameter and with an interaction parameter fitted to vapor-liquid equilibrium data.

Original languageEnglish
Pages (from-to)6213-6226
Number of pages14
JournalIndustrial and Engineering Chemistry Research
Volume55
Issue number21
DOIs
Publication statusPublished - 1 Jun 2016

Fingerprint

Binary mixtures
Equations of state
Gases
Liquids
Fluids
Thermodynamics
Naphthalene
Carbon Dioxide
Phase equilibria
Carbon dioxide
Ethylene

ASJC Scopus subject areas

  • Chemistry(all)
  • Chemical Engineering(all)
  • Industrial and Manufacturing Engineering

Cite this

Equation-of-State Modeling of Solid-Liquid-Gas Equilibrium of CO2 Binary Mixtures. / Nikolaidis, Ilias K.; Boulougouris, Georgios C.; Peristeras, Loukas D.; Economou, Ioannis.

In: Industrial and Engineering Chemistry Research, Vol. 55, No. 21, 01.06.2016, p. 6213-6226.

Research output: Contribution to journalArticle

Nikolaidis, Ilias K. ; Boulougouris, Georgios C. ; Peristeras, Loukas D. ; Economou, Ioannis. / Equation-of-State Modeling of Solid-Liquid-Gas Equilibrium of CO2 Binary Mixtures. In: Industrial and Engineering Chemistry Research. 2016 ; Vol. 55, No. 21. pp. 6213-6226.
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