SCI和EI收录∣中国化工学会会刊

›› 2011, Vol. 19 ›› Issue (3): 484-488.

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Measurement and Correlation of Vapor-Liquid Equilibrium for a Cyclohexene-Cyclohexanol Binary System at 101.3 kPa

王训遒1,2, 庄新亮1, 贠莎莎3, 陈静波2, 蒋登高1   

  1. 1. School of Chemical Engineering and Energy, Zhengzhou University, Zhengzhou 450001, China;
    2. School of Materials Science and Engineering, Zhengzhou University, Zhengzhou 450001, China;
    3. School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou 450001, China
  • 收稿日期:2010-11-14 修回日期:2011-03-26 出版日期:2011-06-28 发布日期:2011-06-28
  • 通讯作者: WANG Xunqiu, E-mail: wangxqzzu@yahoo.cn
  • 基金资助:
    Supported by the Outstanding Personality Innovation Funds of Henan Province(0121001900)

Measurement and Correlation of Vapor-Liquid Equilibrium for a Cyclohexene-Cyclohexanol Binary System at 101.3 kPa

WANG Xunqiu1,2, ZHUANG Xinliang1, YUN Shasha3, CHEN Jingbo2, JIANG Denggao1   

  1. 1. School of Chemical Engineering and Energy, Zhengzhou University, Zhengzhou 450001, China;
    2. School of Materials Science and Engineering, Zhengzhou University, Zhengzhou 450001, China;
    3. School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou 450001, China
  • Received:2010-11-14 Revised:2011-03-26 Online:2011-06-28 Published:2011-06-28
  • Supported by:
    Supported by the Outstanding Personality Innovation Funds of Henan Province(0121001900)

摘要: Many by-products are generated in the process of oxidizing cyclohexene to produce 1,2-epoxycyclohexane by hydrogen peroxide,including cyclohexanol,cyclohexanone,etc.To obtain high-purity 1,2-epoxycyclohexane, the by-products and unreacted cyclohexene must be removed through rectification,in which the vapor-liquid equilibrium(VLE)data of the system are needed.In this study,the VLE data of cyclohexene-cyclohexanol system were studied at 101.3 kPa using an improved EC-2 VLE still.The thermodynamic consistency of the data was examined by Herington’s method.The results obtained were exemplary.The VLE data were correlated by the Wilson equation. The difference between the calculated values and the experimental data is minor,indicating that the VLE data are suitable for engineering design.

关键词: vapor-liquid equilibrium, cyclohexene, cyclohexanol, Wilson equation

Abstract: Many by-products are generated in the process of oxidizing cyclohexene to produce 1,2-epoxycyclohexane by hydrogen peroxide,including cyclohexanol,cyclohexanone,etc.To obtain high-purity 1,2-epoxycyclohexane, the by-products and unreacted cyclohexene must be removed through rectification,in which the vapor-liquid equilibrium(VLE)data of the system are needed.In this study,the VLE data of cyclohexene-cyclohexanol system were studied at 101.3 kPa using an improved EC-2 VLE still.The thermodynamic consistency of the data was examined by Herington’s method.The results obtained were exemplary.The VLE data were correlated by the Wilson equation. The difference between the calculated values and the experimental data is minor,indicating that the VLE data are suitable for engineering design.

Key words: vapor-liquid equilibrium, cyclohexene, cyclohexanol, Wilson equation