Jaslin Sofea1, Wei NianWong1, Javry Tan Yee Hern1, Tommy Lee Hoong Wy1, Phei Li Lau1, and Ianatul Khoiroh This email address is being protected from spambots. You need JavaScript enabled to view it.1

1Department of Chemical Environmental Engineering, Faculty of Engineering and Science, University of Nottingham Malaysia, Jalan Broga, 43500 Semenyih, Selangor, Malaysia


Received: December 6, 2020
Accepted: April 5, 2021
Publication Date: December 23, 2021

 Copyright The Author(s). This is an open access article distributed under the terms of the Creative Commons Attribution License (CC BY 4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are cited.

Download Citation: ||https://doi.org/10.6180/jase.202210_25(5).0010  


The present work gives isobaric vapour-liquid equilibrium (VLE) data for the binary system of acetone + methanol and its ternary system in the presence of two different entrainers, namely 1-butyl-3-methylmidazolium tetrafluoroborate [BMIM][BF4] (ionic liquid) and N,N-dimethylformamide (DMFA) + propylene glycol mixture, respectively. [BMIM][BF4] was selected as the potential entrainers in this work are mainly due to its ionic liquid properties such as negligible vapour pressure and producing no less-volatile components at the top of the distillation column. The VLE measurements were made using a recirculating type of Othmer equilibrium still. The experimental data obtained for the binary system of acetone-methanol were compared with published literature data. To activity coefficient models, namely the NRTL and the UNIQUAC models were employed to correlate the experimental VLE data.

Keywords: Vapor-liquid equilibrium; Azeotrope; entrainers; Ionic liquids; Activity coefficient


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