Data on corresponding solid liquid equilibrium of succinic acid in different aqueous solvent mixtures was measured with temperature range from 278.15 K to 333.15 K under atmospheric pressure by employing the gravimetric method. The experimental results indicated that the solubility of succinic acid in the binary mixtures increases with increasing both temperature and mass fraction of organic solvents. The experimental data were well-correlated with the modified Apelblat equation, the h equation and the van t Hoff equation. In addition, the calculated solubilities showed good agreement with the experimental results. It was found that the modified Apelblat equation could obtain the better correlation results than the other two models. The standard enthalpy, standard entropy, and Gibbs free energy change of solution of succinic acid were calculated from the solubility data by using the modified Apelblat model. Moreover, the experimental data and model parameters would be useful for optimizing the process of purification of succinic acid in industry.
Compounds
#
Formula
Name
1
C4H6O4
butanedioic acid
2
H2O
water
3
CH4O
methanol
4
C2H6O
ethanol
Datasets
The table above is generated from the ThermoML associated json file (link above).
POMD and RXND refer to PureOrMixture and Reaction Datasets. The compound numbers are included in properties, variables, and phases, if specificied;
the numbers refer to the table of compounds on the left.