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

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

• THERMODYNAMICS AND CHEMICAL ENGINEERING DATA • Previous Articles Next Articles

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

WANG Xunqiu^1,2, ZHUANG Xinliang¹, YUN Shasha³, CHEN Jingbo², JIANG Denggao¹

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)

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. 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

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)

Abstract

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

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

WANG Xunqiu, ZHUANG Xinliang, YUN Shasha, CHEN Jingbo, JIANG Denggao. Measurement and Correlation of Vapor-Liquid Equilibrium for a Cyclohexene-Cyclohexanol Binary System at 101.3 kPa[J]. , 2011, 19(3): 484-488.

王训遒, 庄新亮, 贠莎莎, 陈静波, 蒋登高. Measurement and Correlation of Vapor-Liquid Equilibrium for a Cyclohexene-Cyclohexanol Binary System at 101.3 kPa[J]. , 2011, 19(3): 484-488.

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

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

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