Phase compositions and saturated densities for the binary systems of carbon dioxide with ethanol and dichloromethane

Ioannis Tsivintzelis, Doukeni Missopolinou, Konstantinos kalogiannis, Costas Panayiotou

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

The compositions and densities of the liquid and vapor phases of two binary systems at equilibrium were measured on a new experimental apparatus over a range of temperatures and pressures. The studied systems are: CO2-ethanol at 313.2 and 328.2 K; CO2-dichloromethane at 308.2, 318.2 and 328.2 K and for pressures ranging from ambient up to ca. 9 MPa. Some of our measurements are critically compared with corresponding literature values. These measurements are ideally suited for testing equation-of-state models. The recently developed quasi-chemical hydrogen-bonding (QCHB) model was used for correlating the experimental data. A satisfactory agreement was obtained between experimental and calculated phase compositions and saturated densities. (C) 2004 Elsevier B.V. All rights reserved.
Keyword: phase equilibria
Original languageEnglish
JournalFluid Phase Equilibria
Volume224
Issue number1
Pages (from-to)89-96
ISSN0378-3812
DOIs
Publication statusPublished - 2004
Externally publishedYes

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