Journal
FLUID PHASE EQUILIBRIA
Volume 238, Issue 2, Pages 204-209Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.fluid.2005.10.005
Keywords
vapor-liquid equilibrium; high pressure; intramolecular association; 2-ethoxyethanol; statistical thermodynamics
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The compositions and densities of the liquid and vapor phases at equilibrium of the binary system CO2+2-ethoxyethanol were measured in a high-pressure VLE apparatus at 313.2, 320.2 and 328.2 K and for pressures ranging from ambient up to ca. 10 MPa. These measurements are ideally suited for testing equation-of-state models. The recently developed non-random hydrogen-bonding (NRHB) model was used for correlating the experimental data by taking the intramolecular hydrogen bonding in account. A satisfactory agreement was obtained between experimental and calculated phase compositions and saturated densities. (c) 2005 Elsevier B.V. All rights reserved.
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