High-temperature high-pressure vapour-liquid equilibrium measurements on the ternary system methane-n-hexane-n-tetradecane

Maria João Cebola; Krzysztof Chylinski; Graham Saville; William A. Wakeham

doi:10.1068/htec374

High-temperature high-pressure vapour-liquid equilibrium measurements on the ternary system methane-n-hexane-n-tetradecane

Maria João Cebola, Krzysztof Chylinski, Graham Saville, William A. Wakeham

Research output: Contribution to journal › Article › peer-review

2 Citations (Scopus)

Abstract

Vapour-liquid equilibrium (VLE) measurements have been performed on the binary system CH₄-nC₆H₁₄ at several temperatures over the pressure range 2-18 MPa. The ternary system CH₄-nC₆H₁₄-nC₁₄H₃₀ was studied in the same temperature range and at three different pressures, 6.5, 9, and 12 MPa over a range of concentrations of C₁₄H₃₀ from 0.002 to 0.05 in mole fraction. The results for both systems at one temperature have been compared with the predictions of two thermodynamic models, the Peng-Robinson equation of state (EOS) and the one-fluid corresponding-states model. Neither of the models has proved suitable to describe the experimental results within their uncertainty.

Original language	English
Pages (from-to)	11-17
Number of pages	7
Journal	High Temperatures - High Pressures
Volume	29
Issue number	1
DOIs	https://doi.org/10.1068/htec374
Publication status	Published - 1997
Externally published	Yes

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title = "High-temperature high-pressure vapour-liquid equilibrium measurements on the ternary system methane-n-hexane-n-tetradecane",

abstract = "Vapour-liquid equilibrium (VLE) measurements have been performed on the binary system CH4-nC6H14 at several temperatures over the pressure range 2-18 MPa. The ternary system CH4-nC6H14-nC14H30 was studied in the same temperature range and at three different pressures, 6.5, 9, and 12 MPa over a range of concentrations of C14H30 from 0.002 to 0.05 in mole fraction. The results for both systems at one temperature have been compared with the predictions of two thermodynamic models, the Peng-Robinson equation of state (EOS) and the one-fluid corresponding-states model. Neither of the models has proved suitable to describe the experimental results within their uncertainty.",

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AU - Cebola, Maria João

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AU - Saville, Graham

AU - Wakeham, William A.

PY - 1997

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N2 - Vapour-liquid equilibrium (VLE) measurements have been performed on the binary system CH4-nC6H14 at several temperatures over the pressure range 2-18 MPa. The ternary system CH4-nC6H14-nC14H30 was studied in the same temperature range and at three different pressures, 6.5, 9, and 12 MPa over a range of concentrations of C14H30 from 0.002 to 0.05 in mole fraction. The results for both systems at one temperature have been compared with the predictions of two thermodynamic models, the Peng-Robinson equation of state (EOS) and the one-fluid corresponding-states model. Neither of the models has proved suitable to describe the experimental results within their uncertainty.

AB - Vapour-liquid equilibrium (VLE) measurements have been performed on the binary system CH4-nC6H14 at several temperatures over the pressure range 2-18 MPa. The ternary system CH4-nC6H14-nC14H30 was studied in the same temperature range and at three different pressures, 6.5, 9, and 12 MPa over a range of concentrations of C14H30 from 0.002 to 0.05 in mole fraction. The results for both systems at one temperature have been compared with the predictions of two thermodynamic models, the Peng-Robinson equation of state (EOS) and the one-fluid corresponding-states model. Neither of the models has proved suitable to describe the experimental results within their uncertainty.

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High-temperature high-pressure vapour-liquid equilibrium measurements on the ternary system methane-n-hexane-n-tetradecane

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