Measurement and correlation of solubility of trimethylolethane in different pure solvents and binary mixtures

Xiangdong Li; Minqing Zhang; Jinli Zhang; Wenpeng Li; Wei Li

doi:10.1016/j.cjche.2017.05.007

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Measurement and correlation of solubility of trimethylolethane in different pure solvents and binary mixtures

Chemical Engineering Thermodynamics | Updated：2026-01-06

- Measurement and correlation of solubility of trimethylolethane in different pure solvents and binary mixtures
- Chinese Journal of Chemical Engineering Vol. 25, Issue 10, Pages: 1473-1480(2017)
- Affiliations：
  
  Key Laboratory for Green Chemical Technology MOE, Collaborative Innovation Center of Chemical Science and Chemical Engineering(Tianjin), School of Chemical Engineering and Technology, Tianjin University,Tianjin,China,300350
- Author bio：
- Funds：
- DOI：10.1016/j.cjche.2017.05.007
  CLC：
- Published：2017
- Accepted：
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Xiangdong Li, Minqing Zhang, Jinli Zhang, Wenpeng Li, Wei Li. Measurement and correlation of solubility of trimethylolethane in different pure solvents and binary mixtures[J]. , 2017, 25(10): 1473-1480.
DOI：

Xiangdong Li, Minqing Zhang, Jinli Zhang, Wenpeng Li, Wei Li. Measurement and correlation of solubility of trimethylolethane in different pure solvents and binary mixtures[J]. , 2017, 25(10): 1473-1480. DOI： 10.1016/j.cjche.2017.05.007.

摘要

Abstract

The solubilities of trimethylolethane in butanol

methyl acetate

ethyl acetate as well as in mixed solvents of (methanol + ethyl acetate) and (ethanol + ethyl acetate) were measured with the gravimetric method in the temperature range from 283.15 K to 318.15 K under atmosphere pressure. The experiment results showed that the solubility of trimethylolethane increased with the temperature

or along with the concentration of methanol or ethanol in the solvents of (methanol + ethyl acetate) and (ethanol + ethyl acetate). In addition

the experiment values were correlated by the van't Hoff equation

Modified Apelblat Equation

λh Equation

CNIBS/R-K equation and Jouyban-Acree Model. The Modified Apelblat Equation provided the best fitting results of the solubility data of TME in the pure solvents while the CNIBS/R-K model showed the best estimation of the solubility in the binary solvent mixtures. Furthermore

the density functional theory (DFT) calculations showed that solubility in different solvents related to the strength of the interaction between the trimethylolethane and the solvent molecules. Finally

the standard molar enthalpy and molar entropy of trimethylolethane during the dissolving process was also calculated by Modified Apelblat equation in this work.

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