Measurement and Correlation of α-Bisabolol Solubility in Near-Critical Carbon Dioxide

被引：3
|
作者：
Sovova, Helena [1 ]
Stateva, Roumiana P. [2 ]
Koptova, Marta [1 ]
机构：
[1] ASCR, Inst Chem Proc Fundamentals, Vvi, Prague 16502, Czech Republic
[2] Bulgarian Acad Sci, Inst Chem Engn, Sofia 1113, Bulgaria
来源：
JOURNAL OF CHEMICAL AND ENGINEERING DATA | 2013年 / 58卷 / 05期
关键词：
SUPERCRITICAL-FLUID EXTRACTION; ESSENTIAL OIL; CO2; EXTRACTION; IN-VITRO; (-)-ALPHA-BISABOLOL; EQUILIBRIUM; FLOWERS;
D O I：
10.1021/je301221p
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
The solubility of (-)-alpha-bisabolol, ((-)-6-methyl-2-(4-methyl-3-cyclohexen-1-yl)-5-hepten-2-ol), a monocyclic sesquiterpene alcohol, in sub- and supercritical CO2 was measured at the temperatures (313.2, 323.2, and 333.2) K and pressures ranging from (7 to 12.5) MPa by a dynamic method. To the best of our knowledge, there are no previous measurements of alpha-bisabolol solubility in near critical CO, reported in the literature. The solubility isotherms were in the crossover region; the maximum mole fraction of alpha-bisabolol in CO2. 9.10(-3), was therefore at 313.2 K and 11.5 MPa, the maximum pressure applied at this temperature. The Soave-Redlich-Kwong equation of state (SRK-EoS) was employed to correlate the experimental data and an acceptable agreement was obtained. Furthermore, the thermophysical properties of the solute required by the modeling were estimated and reported.
引用
收藏
页码：1151 / 1155
页数：5
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