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    Activity coefficients at infinite dilution of hydrocarbons in glycols: experimental data and thermodynamic modeling with the GCA-EoS

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    Date
    2017
    Author
    Prieto, Mariana Gonzalez
    Williams-Wynn, Mark D.
    Bahadur, Indra
    Sánchez, Francisco A.
    Mohammadi, Amir H.
    Pereda, Selva
    Ramjugernath, Deresh
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    Abstract
    The infinite dilution activity coefficients for 12 non-polar hydrocarbon solutes in the solvents, monoethylene and diethylene glycol, were measured using the gas-liquid chromatography technique. Pre-saturation of the carrier gas was required to avoid solvent loss from the chromatographic column during the measurements that were carried out at T = (303.15, 313.15 and 323.15) K for monoethylene glycol and at T = (304.15, 313.15 and 323.15) K for diethylene glycol. The solutes investigated include n-alkanes, 1-alkenes, and cycloalkanes. The new data are compared with the highly scattered data that is available in the open literature. Finally, these highly non-ideal systems are modeled with the GCA-EoS.
    URI
    https://doi.org/10.1016/j.jct.2016.10.013
    http://hdl.handle.net/10394/30526
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    • Faculty of Natural and Agricultural Sciences [4855]

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