VAPOR-LIQUID EQUILIBRIUM PROPERTIES OF CARBON DIOXIDE_+ ETHANOL MIXTURE AT HIGH PRESSURES

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著者

    • TANAKA Hiroyuki
    • Department of Industial Chemistry, Faculty of Engineering, Nihon University Koriyama Department of Industrial Chemistry, Faculty of Engineering, Nihon University
    • KATO Masahiro
    • Department of Industial Chemistry, Faculty of Engineering, Nihon University Koriyama Department of Industrial Chemistry, Faculty of Engineering, Nihon University

抄録

An experimental apparatus equipped with three density meters was newly developed for measuring vapor-liquid-liquid phase separation properties at high pressures. Coexisting phase composition and saturated density of each phase can be measured by means of the present apparatus with a maximum temperature of 400 K and pressure of 20 MPa. The phase compositions of carbon dioxide + ethanol mixture and their densities at high pressures were measured at 308.15 K with the apparatus. The sensitivity and absolute reliability of the equilibrium compositions appear to be 0.0001 and 0.001 mole fractions, respectively. The accuracy of saturated densities is 0.1 kg/m<SUP>3</SUP>. The equilibrium compositions obtained in the present study were correlated with the pseudocubic equation of state previously proposed by the authors and the Soave-Redlich-Kwong equation of state. Saturated densities obtained in the present study were further evaluated by the equations of state with the interaction parameters determined from vapor-liquid equilibrium data.

収録刊行物

  • Journal of chemical engineering of Japan  

    Journal of chemical engineering of Japan 28(3), 263-266, 1995-06 

    The Society of Chemical Engineers, Japan

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各種コード

  • NII論文ID(NAID)
    10002133672
  • NII書誌ID(NCID)
    AA00709658
  • 本文言語コード
    ENG
  • 資料種別
    ART
  • ISSN
    00219592
  • データ提供元
    CJP書誌  CJP引用  J-STAGE 
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