Vapor–Liquid Equilibrium for Ternary System of Ethylene glycol-1,4-Butylene glycol and Diethylene glycol

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Vapor–Liquid Equilibrium for Ternary System of Ethylene glycol-1,4-Butylene glycol and Diethylene glycol

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[1]Chen Weihang,Li Yien,Zhang Jie,et al.Vapor–Liquid Equilibrium for Ternary System of Ethylene glycol-1,4-Butylene glycol and Diethylene glycol[J].Journal of Zhengzhou University (Engineering Science),2016,37(06):19-23.[doi:10.13705/j.issn.1671-6833.2016.06.017]

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Journal of Zhengzhou University (Engineering Science)[ISSN 1671-6833/CN 41-1339/T] Volume: 37 Number of periods: 2016 06 Page number: 19-23 Column: Public date: 2016-12-31

Title:: Vapor–Liquid Equilibrium for Ternary System of Ethylene glycol-1,4-Butylene glycol and Diethylene glycol

Author(s):: Chen Weihang1; Li Yien1; Zhang Jie1; Jiang Yuanli2; Wang Xunqiu1; 1. School of Chemical Engineering and Energy, Zhengzhou University, Zhengzhou, Henan, 450001; 2. Henan Energy and Chemical Industry Group, Zhengzhou, Henan, 450046

Keywords:: producing glycol by coal; ternary VLE; NRTL equation; WILSON equation; UNIQUAC equation

CLC:: -

DOI:: 10.13705/j.issn.1671-6833.2016.06.017

Abstract:: In this study, isobaric vapor-liquid equilibria ( VLE) data for the ternary system of Ethyleneglycol, 1,4-Butylene glycol and Diethylene glycol were measured at 6. 67 kPa. The experimental data were correlated by the widely used NRTL, UNIQUAC, and Wilson models, and the results showed that the maximum average relative error between the experimental data and the predicted data was 5 . 3262%, which could meet the re-quirement of separation engineering.

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