Correlation of Infinite Dilution Activity Coefficients of l- and 2-Alkanols in Tetradecane and Hexadecane Using Modified ASOG

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  • Fukuchi Kenji
    Department of Chemical and Biological Engineering, Ube National College of Technology
  • Watanabe Toru
    Department of Chemical Science and Engineering, Ariake National College of Technology
  • Yonezawa Setsuko
    Department of Chemical Systems and Engineering, Graduate School of Engineering, Kyushu University
  • Arai Yasuhiko
    Department of Chemical Systems and Engineering, Graduate School of Engineering, Kyushu University

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タイトル別名
  • Correlation of Infinite Dilution Activity Coefficients of 1- and 2 Alkanols in Tetradecane and Hexadecane Using Modified ASOG.
  • Correlation of Infinite Dilution Activi

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ASOG (Analytical Solution of Groups), which is widely applied to predict the liquid-phase activity coefficients of solutions, is extended to be capable to distinguish isomers. The Flory-Huggins (FH) part is examined by using the infinite dilution activity coefficient data of n-alkane binary mixtures and an empirical equation is proposed to modify the number of carbons contained in the n-alkanes. The concept of effective carbon number is adopted to apply the empirical equation to components other than n-alkanes. To evaluate the number of group, in the group interaction part, the contact probability is introduced, in which a steric hindrance factor is incorporated. The present model can give a good correlation for the infinite dilution activity coefficients of 1- and 2-alkanols in tetradecane and hexadecane.

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