SUPERCRITICAL CARBON-DIOXIDE EXTRACTION OF CARAWAY ESSENTIAL OIL

被引：82
|
作者：
SOVOVA, H
KOMERS, R
KUCERA, J
JEZ, J
机构：
[1] Institute of Chemical Process Fundamentals, Academy of Sciences of the Czech Republic, 165 02 Praha
来源：
CHEMICAL ENGINEERING SCIENCE | 1994年 / 49卷 / 15期
关键词：
D O I：
10.1016/0009-2509(94)E0058-X
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
Caraway seeds were extracted with liquid and supercritical carbon dioxide at 23-40-degrees-C and 90-100 bar. The extracts were analyzed for carvone and limonene, and compared with essential oil obtained by steam distillation. Slight fractionation was observed during the extraction. The effect of process parameters, such as temperature, pressure, and solvent flow rate and direction, on essential oil recovery was described using a simple model with mass transfer between a liquid mixture of essential and fatty oils and the solvent, and with diffusion resistances both in the liquid mixture and in the walls of caraway cells.
引用
收藏
页码：2499 / 2505
页数：7
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