Measurement and Correlation of Liquid-Liquid Equilibria for the Ternary Systems of Water plus D-Fructose+1-Butanol, Water plus D-Glucose+1-Butanol, and Water plus D-Galactose+1-Butanol at (288.2, 303.2 and 318.2) K

作者：Ye, Tiantian; Qu, Haibin; Gong, Xingchu^*

来源：Journal of Chemical and Engineering Data, 2017, 62(8): 2392-2399.

DOI：10.1021/acs.jced.7b00302

• TIE-LINE DATA
• N-BUTANOL-WATER
• AQUEOUS-SOLUTIONS
• PHASE-EQUILIBRIA
• BUTYL ALCOHOL
• SOLID-LIQUID
• T=298.15 K
• ACID
• 1-BUTANOL
• CHROMATOGRAPHY

The liquid liquid equilibrium (LLE) data of ternary systems of water + n-fructose + 1-butanol, water + n-glucose + 1-butanol, and water + D-galactose + 1-butanol were determined at three temperatures (288.2, 303.2, and 318.2 K) and atmospheric condition. The distribution coefficients of the monosaccharides were lower than 0.05. For all the three saccharides, their content in the organic-rich phase increased as their content in the aqueous phase increased. The experimental tie-line data were fitted using the Othmer-Tobias equation. The saccharide universal quasichemical functional-group activity coefficient (S-UNIFAC) model was used to predict the LLE data with all the average absolute deviations (AAD) values higher than 0.013. The modified universal quasichemical model was then used to correlate the LLE data. The correlation results agreed better with experimental data than the prediction results obtained with S-UNIFAC. In the production of traditional Chinese medicines, 1-butanol is a promising extractant used to separate active compounds and saccharides in aqueous herbal extracts.

• 出版日期2017-8
• 单位浙江大学