Measurement of vapor–liquid equilibria (VLE) and excess enthalpies (HE) of binary systems with 1-alkyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide and prediction of these properties and γ∞ using modified UNIFAC (Dortmund)

2007 ◽  
Vol 258 (2) ◽  
pp. 168-178 ◽  
Author(s):  
Silke Nebig ◽  
Rainer Bölts ◽  
Jürgen Gmehling
Keyword(s):  
Binary Systems ◽  
Excess Enthalpies ◽  
Vapor Liquid Equilibria ◽  
Vapor Liquid

Molar excess enthalpies, volumes, and Gibbs free energies of methanol – isomeric butanol systems at 25 °C

1970 ◽  
Vol 48 (16) ◽  
pp. 2457-2465 ◽  
Author(s):  
Jiří Polák ◽  
Sachio Murakami ◽  
V. T. Lam ◽  
H. D. Pflug ◽  
G. C. Benson
Keyword(s):  
Hydrogen Bonding ◽  
Binary Systems ◽  
Excess Properties ◽  
Excess Enthalpies ◽  
Free Energies ◽  
Molar Excess ◽  
Tert Butanol ◽  
Vapor Liquid Equilibria ◽  
Vapor Liquid

The vapor–liquid equilibria of the 4 binary systems formed by mixing methanol with n-butanol, isobutanol, sec-butanol, and tert-butanol were investigated at 25 °C in a dynamic still with circulation. The results were used to calculate the molar excess Gibbs free energies. For the three systems containing isobutanol, sec-butanol, or tert-butanol, molar excess enthalpies and volumes were also determined (mainly at 25 °C) by direct calorimetric and dilatometric techniques. The behavior of the excess properties is discussed with reference to differences in the hydrogen bonding and in the shapes of the component molecules.

Vapor−Liquid Equilibria and Excess Enthalpies for Binary Systems of Dimethoxymethane with Hydrocarbons

2006 ◽  
Vol 51 (2) ◽  
pp. 326-329 ◽  
Author(s):  
K. V. N. Suresh Reddy ◽  
Y. V. L. Ravi Kumar ◽  
D. H. L. Prasad ◽  
A. Krishnaiah
Keyword(s):  
Binary Systems ◽  
Excess Enthalpies ◽  
Vapor Liquid Equilibria ◽  
Vapor Liquid
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