TY - JOUR
T1 - Solubility of itaconic acid in different organic solvents
T2 - Experimental measurement and thermodynamic modeling
AU - Yang, Wenge
AU - Hu, Yonghong
AU - Chen, Zhaoguo
AU - Jiang, Xinmin
AU - Wang, Jikui
AU - Wang, Ruirong
PY - 2012/1/25
Y1 - 2012/1/25
N2 - Data on corresponding solid-liquid equilibrium of itaconic acid in different organic solvents are essential for industrial design and further theoretical studies. In this study, the solubility of itaconic acid was measured in methanol, ethanol, 1-propanol, acetonitrile, 2-propanol, ethyl acetate, and acetone with the temperature range of 283.15-328.15. K by the analytical stirred-flask method under atmospheric pressure. The experiment results showed that the solubility of itaconic acid was highest in methanol and followed by 2-propanol, ethanol and 1-propanol. For the temperature range investigated, the solubilities of itaconic acid in the solvents increased with increasing temperature. Results of these measurements were well-correlated with the modified Apelblat equation and the Buchowski-Ksiazaczak λh equation. The calculated solubilities showed good agreement with the experimental data. The modified Apelblat equation was found to regress the solubility data much better than the Buchowski-Ksiazaczak λh equation.
AB - Data on corresponding solid-liquid equilibrium of itaconic acid in different organic solvents are essential for industrial design and further theoretical studies. In this study, the solubility of itaconic acid was measured in methanol, ethanol, 1-propanol, acetonitrile, 2-propanol, ethyl acetate, and acetone with the temperature range of 283.15-328.15. K by the analytical stirred-flask method under atmospheric pressure. The experiment results showed that the solubility of itaconic acid was highest in methanol and followed by 2-propanol, ethanol and 1-propanol. For the temperature range investigated, the solubilities of itaconic acid in the solvents increased with increasing temperature. Results of these measurements were well-correlated with the modified Apelblat equation and the Buchowski-Ksiazaczak λh equation. The calculated solubilities showed good agreement with the experimental data. The modified Apelblat equation was found to regress the solubility data much better than the Buchowski-Ksiazaczak λh equation.
KW - Correlation
KW - Itaconic acid
KW - Solid-liquid equilibrium
KW - Solubility
UR - http://www.scopus.com/inward/record.url?scp=83655163778&partnerID=8YFLogxK
U2 - 10.1016/j.fluid.2011.09.027
DO - 10.1016/j.fluid.2011.09.027
M3 - 文章
AN - SCOPUS:83655163778
SN - 0378-3812
VL - 314
SP - 180
EP - 184
JO - Fluid Phase Equilibria
JF - Fluid Phase Equilibria
ER -