Vapor-Liquid Equilibrium in Aqueous Solutions of Various Glycols and Poly (ethylene glycols). 2. Tetraethylene Glycol and Estimation of UNIFAC Parameters

Mordechay Herskowltz; Moshe Gottlieb

doi:10.1021/je00038a025

Vapor-Liquid Equilibrium in Aqueous Solutions of Various Glycols and Poly (ethylene glycols). 2. Tetraethylene Glycol and Estimation of UNIFAC Parameters

Mordechay Herskowltz, Moshe Gottlieb

Department of Chemical Engineering

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15 Scopus citations

Abstract

The activity of water In tetraethylene glycol solutions has been measured at 298.1 K. Vapor-llqutd equilibrium data In aqueous solutions of trl-and tetraethylene glycols are used to estimate the Interaction parameters for the UNIFAC group contribution model. The activity of water In poly (ethylene glycol) 300 and poly (propylene glycol) 400 Is calculated by the UNIFAC method. Good agreement with experimental data Is obtained for the former and moderate agreement for the latter.

Original language	English
Pages (from-to)	450-452
Number of pages	3
Journal	Journal of Chemical & Engineering Data
Volume	29
Issue number	4
DOIs	https://doi.org/10.1021/je00038a025
State	Published - 1 Jan 1984

ASJC Scopus subject areas

Chemistry (all)
Chemical Engineering (all)

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abstract = "The activity of water In tetraethylene glycol solutions has been measured at 298.1 K. Vapor-llqutd equilibrium data In aqueous solutions of trl-and tetraethylene glycols are used to estimate the Interaction parameters for the UNIFAC group contribution model. The activity of water In poly (ethylene glycol) 300 and poly (propylene glycol) 400 Is calculated by the UNIFAC method. Good agreement with experimental data Is obtained for the former and moderate agreement for the latter.",

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N2 - The activity of water In tetraethylene glycol solutions has been measured at 298.1 K. Vapor-llqutd equilibrium data In aqueous solutions of trl-and tetraethylene glycols are used to estimate the Interaction parameters for the UNIFAC group contribution model. The activity of water In poly (ethylene glycol) 300 and poly (propylene glycol) 400 Is calculated by the UNIFAC method. Good agreement with experimental data Is obtained for the former and moderate agreement for the latter.

AB - The activity of water In tetraethylene glycol solutions has been measured at 298.1 K. Vapor-llqutd equilibrium data In aqueous solutions of trl-and tetraethylene glycols are used to estimate the Interaction parameters for the UNIFAC group contribution model. The activity of water In poly (ethylene glycol) 300 and poly (propylene glycol) 400 Is calculated by the UNIFAC method. Good agreement with experimental data Is obtained for the former and moderate agreement for the latter.

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Vapor-Liquid Equilibrium in Aqueous Solutions of Various Glycols and Poly (ethylene glycols). 2. Tetraethylene Glycol and Estimation of UNIFAC Parameters

Abstract

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