Isobaric vapor-liquid equilibrium for binary system of aniline+methyl-N-phenyl carbamate

doi:10.1016/j.cjche.2016.05.026

Chin.J.Chem.Eng. ›› 2016, Vol. 24 ›› Issue (10): 1470-1476.DOI: 10.1016/j.cjche.2016.05.026

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Isobaric vapor-liquid equilibrium for binary system of aniline+methyl-N-phenyl carbamate

Yuqian Li^1,2, LiguoWang², Peng He², Kelin Huang³, Huiquan Li², Yan Cao²

1 Chemistry and Material Science College, Guangxi Teacher Education University, Nanning 530001, China;
2 Key Laboratory of Green Process and Engineering, National Engineering Laboratory for Hydrometallurgical Cleaner Production Technology, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China;
3 China Academy of Science & Technology Development, Guangxi Branch, Nanning, 530022, China

Received:2015-12-16 Revised:2016-05-05 Online:2016-11-19 Published:2016-10-28
Supported by:
Supported by the National Key Technology R&D Program (2013BAC11B03) and the National Natural Science Foundation of China (21206180, 21406245, 21476244).

Isobaric vapor-liquid equilibrium for binary system of aniline+methyl-N-phenyl carbamate

Yuqian Li^1,2, LiguoWang², Peng He², Kelin Huang³, Huiquan Li², Yan Cao²

1 Chemistry and Material Science College, Guangxi Teacher Education University, Nanning 530001, China;
2 Key Laboratory of Green Process and Engineering, National Engineering Laboratory for Hydrometallurgical Cleaner Production Technology, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China;
3 China Academy of Science & Technology Development, Guangxi Branch, Nanning, 530022, China

通讯作者: Yan Cao,E-mail address:ycao@ipe.ac.cn.
基金资助:
Supported by the National Key Technology R&D Program (2013BAC11B03) and the National Natural Science Foundation of China (21206180, 21406245, 21476244).

Abstract

Abstract: In this study, the quasi-static ebulliometric method was used to measure both of the vapor pressures of methyl N-phenyl carbamate (MPC), and the isobaric vapor-liquid equilibrium (VLE) data of the aniline and MPC binary system. The measured vapor pressure data of MPC, at different temperature ranging from 369.60 to 389.54 K, fitted well with the Antoine equation. The VLE data for the aniline and MPC system at (2.00, 4.00, 6.00, 7.00 and 8.00) kPa were correlated by both of nonrandom two-liquid (NRTL) and Wilson models. The parameters of the two models were obtained by regressing the experimental data,with the absolute temperature deviations of 0.54 K and 0.53 K, respectively. The relative volatility of the binary system calculated was all far more than 1, which gives the conclusion that the high purity MPC can be separated from aniline and MPC binary system by rectification or distillation technology.

Key words: Vapor-liquid equilibrium, Aniline, Methyl N-phenyl carbamate, NRTL, Wilson

摘要： In this study, the quasi-static ebulliometric method was used to measure both of the vapor pressures of methyl N-phenyl carbamate (MPC), and the isobaric vapor-liquid equilibrium (VLE) data of the aniline and MPC binary system. The measured vapor pressure data of MPC, at different temperature ranging from 369.60 to 389.54 K, fitted well with the Antoine equation. The VLE data for the aniline and MPC system at (2.00, 4.00, 6.00, 7.00 and 8.00) kPa were correlated by both of nonrandom two-liquid (NRTL) and Wilson models. The parameters of the two models were obtained by regressing the experimental data,with the absolute temperature deviations of 0.54 K and 0.53 K, respectively. The relative volatility of the binary system calculated was all far more than 1, which gives the conclusion that the high purity MPC can be separated from aniline and MPC binary system by rectification or distillation technology.

关键词: Vapor-liquid equilibrium, Aniline, Methyl N-phenyl carbamate, NRTL, Wilson

Yuqian Li, LiguoWang, Peng He, Kelin Huang, Huiquan Li, Yan Cao. Isobaric vapor-liquid equilibrium for binary system of aniline+methyl-N-phenyl carbamate[J]. Chin.J.Chem.Eng., 2016, 24(10): 1470-1476.

Yuqian Li, LiguoWang, Peng He, Kelin Huang, Huiquan Li, Yan Cao. Isobaric vapor-liquid equilibrium for binary system of aniline+methyl-N-phenyl carbamate[J]. Chinese Journal of Chemical Engineering, 2016, 24(10): 1470-1476.

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Isobaric vapor-liquid equilibrium for binary system of aniline+methyl-N-phenyl carbamate

Isobaric vapor-liquid equilibrium for binary system of aniline+methyl-N-phenyl carbamate

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