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Vapor−Liquid Equilibria and HE for Binary Systems of Dimethyl Ether (DME) with C1−C4 Alkan-1-ols at 323.15 K and Liquid−Liquid Equilibria for Ternary System of DME + Methanol + Water at 313.15 K

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School of Chemical Engineering, Chungnam National University, 305-764 Daejeon, Korea, and Technische Chemie FB 9, Universität Oldenburg, D-26111 Oldenburg, Germany
Cite this: J. Chem. Eng. Data 2007, 52, 1, 230–234
Publication Date (Web):November 16, 2006
https://doi.org/10.1021/je0603574
Copyright © 2007 American Chemical Society
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    Abstract

    Isothermal vapor−liquid equilibria (VLE) and excess molar enthalpies (H E) at 323.15 K were measured for the binary mixtures of dimethyl ether (DME) with C1 to C4 alkan-1-ols. The measured VLE and H E data were correlated well with G E model equations and Redlich−Kister polynomial, respectively. Additionally liquid−liquid equilibrium (LLE) for the ternary system of DME + methanol + water was determined at 313.15 K. The measured LLE data were compared with the correlated values by using NRTL and UNIQUAC models, and they showed good agreements.

    *

     Corresponding author. Tel:  +82-42-821-5684. Fax:  +82-42-823-6414. E-mail:  [email protected].

    †

     Chungnam National University.

    ‡

     Universität Oldenburg.

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