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    High-pressure phase equilibria with compressed gases

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    Ren_phase_equilibria2007.pdf (620.1Kb)
    Issue Date
    2007
    Author
    Ren, Wei
    Scurto, Aaron M.
    Publisher
    American Institute of Physics
    Type
    Article
    Article Version
    Scholarly/refereed, publisher version
    Metadata
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    Abstract
    An apparatus is described that is capable of determining high-pressure vapor-liquid equilibrium, liquid-liquid equilibrium, solid-liquid-vapor equilibrium, vapor-liquid-liquid equilibrium, and mixture critical points and transitions. The device is capable of temperatures to 150°C and pressures to 300bars (higher with slight modifications). The construction and operation are described in detail and do not require the use of mercury. This method requires very low sample volumes and no analytical equipment nor system-specific calibration. The apparatus was verified by comparison with literature data for the decane-CO2 mixture and CO2-ionic liquid [1-hexyl-3-methyl-imidazolium bis(trifyl)imide)] systems. The experimental data have excellent agreement with the literature data that used different experimental methods. A rigorous error analysis of the system is also presented.
    Description
    This is the published version. Copyright 2007 American Institute of Physics.
    URI
    http://hdl.handle.net/1808/18932
    DOI
    https://doi.org/10.1063/1.2814025
    Collections
    • Chemical & Petroleum Engineering Scholarly Works [177]
    Citation
    Ren, Wei, and Aaron M. Scurto. "High-pressure Phase Equilibria with Compressed Gases." Rev. Sci. Instrum. Review of Scientific Instruments 78.12 (2007): 125104. http://dx.doi.org/10.1063/1.2814025

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    Contact KU ScholarWorks
    785-864-8983
    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
    785-864-8983

    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
    Image Credits
     

     

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