Analysis of {[N,N-dialkylamide or 1-methyl-2-pyrrolidone] + 1-chloroalkane or α,ω-dichloroalkane} mixtures in terms of group contribution |
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Authors: | Pilar García-Gimnez Elisa Langa Jos F Martínez Lpez Santos Otín |
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Institution: | aDepartamento de Química Orgánica - Química Física, Facultad de Ciencias, Universidad de Zaragoza, 50009 Zaragoza, Spain |
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Abstract: | The experimental vapour–liquid equilibria, VLE, excess molar Gibbs energies, , and excess molar enthalpies, , determined previously for the systems N,N-dimethylformamide, or N,N-dimethylacetamide, or 1-methyl-2-pyrrolidone + 1-chlorobutane, or +1-chlorohexane, or +1-chlorooctane, or +1,2-dichloroethane, or +1,4-dichlorobutane, or +1,6-dichlorohexane, are examined using the DISQUAC group contribution model. The dispersive and quasi-chemical interchange parameters for the contacts chloro-amide in the mixtures with N,N-dialkylamide or 1-methyl-2-pyrrolidone with chloro- or α,ω-dichloroalkane were calculated. The model reproduces quite well the experimental data. |
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Keywords: | Amides Chloroalkanes DISQUAC group contribution model |
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