Measurement and modeling of epicatechin solubility in supercritical carbon dioxide fluid

被引：16
|
作者：
Edi-Soetaredjo, Felycia [1 ]
Ismadji, Suryadi [2 ]
Ju, Yi-Hsu [1 ]
机构：
[1] Natl Taiwan Univ Sci & Technol, Dept Chem Engn, Taipei, Taiwan
[2] Widya Mandala Surabaya Catholic Univ, Dept Chem Engn, Surabaya 60114, Indonesia
来源：
FLUID PHASE EQUILIBRIA | 2013年 / 340卷
关键词：
Density based model; Epicatechin; Solubility; Supercritical carbon dioxide; RADICAL REACTION-PRODUCTS; PHENOLIC-COMPOUNDS; PLUS CO2; ANTIOXIDANT MECHANISM; TEA CATECHINS; ETHANOL; EXTRACTION; PRESSURE; ACIDS; SOLIDS;
D O I：
10.1016/j.fluid.2012.12.005
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
The experimental equilibrium solubility of epicatechin in supercritical carbon dioxide was measured at several temperatures (313.15, 323.15, 333.15 and 343.15 K) and pressure in the range of 12-26 MPa. The solubilities of epicatechin in supercritical CO2 increased with pressure and temperature. The effect of increasing temperature on the solubility is more significant at high pressure than low pressure. The experimental data were fitted very well by three density-based models of Chrastil, del Valle and Aguilera and the model of Mendez-Santiago and Teja. Reasonable fitting parameters of the models were obtained. (C) 2012 Elsevier B.V. All rights reserved.
引用
收藏
页码：7 / 10
页数：4
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