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    Vapor-liquid phase equilibrium data of CO2 in some physical solvents from 285.19 K to 313.26 K

    Access Status
    Fulltext not available
    Authors
    Gui, X.
    Wang, Wei
    Wang, C.
    Zhang, L.
    Yun, Z.
    Tang, Z.
    Date
    2014
    Type
    Journal Article
    
    Metadata
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    Citation
    Gui, X. and Wang, W. and Wang, C. and Zhang, L. and Yun, Z. and Tang, Z. 2014. Vapor-liquid phase equilibrium data of CO2 in some physical solvents from 285.19 K to 313.26 K. Journal of Chemical & Engineering Data. 59 (3): pp. 844-849.
    Source Title
    Journal of Chemical & Engineering Data
    DOI
    10.1021/je400985u
    ISSN
    0021-9568
    School
    Department of Chemical Engineering
    URI
    http://hdl.handle.net/20.500.11937/55349
    Collection
    • Curtin Research Publications
    Abstract

    The solubility of CO 2 in polyethylene glycol dimethyl ether (NHD), octamethyl cyclotetrasiloxane (D4), and diethyl succinate (DS) was determined at the temperature variations from 285.19 K to 313.26 K up to 6 MPa by the constant-volume method. Then, Henry's law constant (H) based on mole fraction was obtained by linear fitting of the vapor-liquid phase equilibrium data, and some thermodynamic properties of solutions were also calculated from the correlation of H. The values of H in NHD, D4, and DS vary from 2.5 MPa to 8 MPa and increase in the following order: DS < D4 < NHD, which is identical to the order of the solvents ability to dissolve CO 2 . Additionally, Henry's law constant increases with temperature increase to confirm the solubility of CO 2 decrease in the corresponding solvents for the pressure range studied. © 2014 American Chemical Society.

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