화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Korean Chemical Engineering Research, Vol.56, No.4, 536-541, August, 2018
DOI10.9713/kcer.2018.56.4.536  Export Citation
Application of Flory-Treszczanowicz-Benson model and Prigogine-Flory-Patterson theory to Excess Molar Volumes of Isomers of Propanol with Cyclohexane or n-Hexane
Suman Gahlyan, Sweety Verma, Manju Rani1, and Sanjeev Maken†
  • Department of Chemistry, Deenbandhu Chhotu Ram University of Science and Technology, Murthal, Sonepat 131039, India
  • 1Department of Chemical Engineering, Deenbandhu Chhotu Ram University of Science and Technology, Murthal, Sonepat 131039, India
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Excess molar volumes (Vm E ) of binary mixtures of 1-propanol or 2-propanol (1) + cyclohexane or n-hexane (2) were measured with V-shaped dilatometer at 303.15 K. The Vm E data for these mixtures varied as: 2-propanol > 1-propanol and were higher for cyclohexane than n-hexane for both propanol systems. The experimental data were correlated with Redlich-Kister polynomial. The Vm E data were interpreted qualitatively as well as quantitatively in terms of Flory- Treszczanowicz-Benson model and Prigogine-Flory-Patterson theory. Both models correctly described the sign and shape of Vm E vs x1 curves. The values calculated by both the models agree well with the experimental data.
Keywords:Excess volume;Propanol;Cyclohexane;n-Hexane;Flory-Treszczanowicz-Benson model;Prigogine-Flory-Patterson theory
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