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Measurements and Thermodynamic Models for the Separation of 2-Methoxyethanol and Water Azeotropic Mixtures via Different Solvents

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State Key Laboratory of Heavy Oil Processing, College of Chemical Engineering, China University of Petroleum− East China, Qingdao 266580, China
Cite this: J. Chem. Eng. Data 2017, 62, 7, 2084–2089
Publication Date (Web):May 31, 2017
https://doi.org/10.1021/acs.jced.7b00160
Copyright © 2017 American Chemical Society

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    Abstract

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    This work reveals experimental liquid–liquid equilibria (LLE) for ternary systems of (2-methoxyethanol + water + solvents) with methyl tert-butyl ether, ethyl acetate, and trichloromethane at 313.15 K and dichloromethane as solvent at 298.15 K under 101 kPa. The extraction capacity of the aforementioned solvents has been tested when it comes to the distribution ratio and separation factor according to the experimental data. The calculation results demonstrate that trichloromethane is an available solvent for extraction applications. Simultaneously, the reliability of the experimental LLE data was checked by Othmer–Tobias and Hand correlations, and all of the linear correlation coefficients were greater than 0.98. The experimental LLE values were regressed to obtain binary interaction parameters with both NRTL and UNIQUAC activity coefficient models. Both models shows satisfactory agreement with all of the root-mean square deviation values below 0.50.

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    Cited By

    This article is cited by 2 publications.

    1. Liping Wang, Saisai Zhou, Pan Li, Pengzhou Li, Qingsong Li, Yingmin Yu. Measurement and Thermodynamic Models for Ternary Liquid–Liquid Equilibrium Systems {Water + Polyoxymethylene Dimethyl Ethers +4-Methyl-2-pentanol} at Different Temperatures. Journal of Chemical & Engineering Data 2018, 63 (8) , 3074-3082. https://doi.org/10.1021/acs.jced.8b00323
    2. Chong Yang, Hai Liu, Chuanfu Zhu, Midong Shi, Gaoyin He, and Qingsong Li . Measurement and Correlation of Ternary (Liquid + Liquid) Equilibria for Separation of Cyclohexanone from Water via Isophorone or Mesityl Oxide. Journal of Chemical & Engineering Data 2018, 63 (1) , 178-186. https://doi.org/10.1021/acs.jced.7b00787

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