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Isobaric Vapor−Liquid Equilibria for Water + Acetic Acid + Sodium Acetate

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Departamento de Ingeniería Química, Facultad de Química, Universitat de València, 46100 Burjassot, Valencia, Spain
Cite this: J. Chem. Eng. Data 2003, 48, 2, 217–220
Publication Date (Web):February 19, 2003
https://doi.org/10.1021/je0255123
Copyright © 2003 American Chemical Society

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    Abstract

    Isobaric vapor−liquid equilibria for the binary water + sodium acetate and acetic acid + sodium acetate systems and ternary mixtures of water, acetic acid, and sodium acetate have been measured at 100 kPa with a recirculating still. The addition of sodium acetate to water + acetic acid mixtures produced an appreciable rise in equilibrium temperature but a small effect on the relative volatility of water, which was augmented at higher water solvent concentrations and decreased at lower concentrations. These effects increased with higher salt concentrations. The experimental binary data sets have been correlated using a modified Mock's electrolyte NRTL model, which takes into account the association of the acetic acid in the vapor phase by means of Marek's Chemical Theory (eNRTL−CT model). The estimated model parameters from binary data have been used to predict the ternary vapor−liquid equilibrium. The values obtained in this way agreed well with the experimental values.

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    Cited By

    This article is cited by 4 publications.

    1. Ernesto Vercher,, A. Vicent Orchillés,, M. Isabel Vázquez, and, Antoni Martínez-Andreu. Isobaric Vapor−Liquid Equilibria for Water + Acetic Acid + Potassium Acetate. Journal of Chemical & Engineering Data 2004, 49 (3) , 566-569. https://doi.org/10.1021/je034169e
    2. Ernesto O. Timmermann, Cristian R. Muzzio. Analysis and extension of the Furter equation, and its application in the simulation of saline extractive distillation columns. Brazilian Journal of Chemical Engineering 2017, 34 (2) , 607-621. https://doi.org/10.1590/0104-6632.20170342s20150102
    3. Kouich TAKAKURA, Iwao SUMOGE, Sadao ARAKI, Hideki YAMAMOTO. Salt Effects on Vapor Liquid Equilibrium of Acetic Acid-Water System. Netsu Bussei 2015, 28 (4) , 166-172. https://doi.org/10.2963/jjtp.28.166
    4. Qisong LIU, Shun YAO, Tangfeng ZHU, Hong ZENG, Hang SONG. Vapor Pressure Measurement and Correlation of 2-Methyl-Butanol Acetate Containing Calcium Chloride. Chinese Journal of Chemical Engineering 2011, 19 (1) , 97-100. https://doi.org/10.1016/S1004-9541(09)60183-X

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