Solubility of decanedioic acid in binary solvent mixtures

► Solubilities of decanedioic acid in 3 binary mixtures were determined. ► Relation of synergistic effect with azeotropic mixture of solvents was discussed. ► The Wilson model, and the NRTL model are applied to describe measured systems. The solubilities of decanedioic acid in binary solvent mixture...

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Bibliographic Details
Published in:Fluid phase equilibria 2011-05, Vol.304 (1), p.105-109
Main Authors: Xia, Qing, Chen, Su-Ning, Chen, Yi-Shan, Zhang, Min-Shi, Zhang, Feng-Bao, Zhang, Guo-Liang
Format: Article
Language:English
Subjects:
Chemistry
Decanedioic acid
Dynamical systems
Dynamics
Ethylene
Exact sciences and technology
General and physical chemistry
Liquid-solid equilibria
Liquids
Mathematical models
NRTL model
Phase equilibria
Solubility
Solutions
Solvents
Synergistic effect
Wilson model
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Summary:► Solubilities of decanedioic acid in 3 binary mixtures were determined. ► Relation of synergistic effect with azeotropic mixture of solvents was discussed. ► The Wilson model, and the NRTL model are applied to describe measured systems. The solubilities of decanedioic acid in binary solvent mixtures consisting of ethanol + cyclohexane, ethanol + n-heptane, and ethylene glycol + water were determined by a dynamic method over the temperature range of 291–352 K. The solubility in mixed solvents was slightly greater than both of the pure components (the synergistic effect) at some compositions in the systems of decanedioic acid + ethanol + cyclohexane or n-heptane. The measured solid–liquid equilibrium (SLE) data were correlated with the Wilson model and the non-random two liquid (NRTL) model. Furthermore, the relation between the synergistic effect and the azeotropy character of the mixtures of solvents was discussed.
ISSN:0378-3812
1879-0224
DOI:10.1016/j.fluid.2011.02.018