Experimental and Simulating Study of Supercritical CO2 Extraction of Ginger Essential Oil

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Experimental and Simulating Study of Supercritical CO2 Extraction of Ginger Essential Oil

LIU Xuewu^a; LI Zhiyi^a; CHEN Shuhua^b; ZHAN Shiping^b; XIA Yuanjing^a; WEI Yong^a

^a R＆D Institute of Fluid and Powder Engineering, Dalian University of Technology, Dalian 116012, China ^b Department of Chemisty and Chemical Engineering, Dalian University, Dalian 116012, China

Received:1900-01-01 Revised:1900-01-01 Online:2005-08-28 Published:2005-08-28
Contact: LIU Xuewu

超临界二氧化碳萃取生姜油实验研究与数值模拟

刘学武^a; 李志义^a; 陈淑花^b; 詹世平^b; 夏远景^a; 魏勇^a

^a R＆D Institute of Fluid and Powder Engineering, Dalian University of Technology, Dalian 116012, China ^b Department of Chemisty and Chemical Engineering, Dalian University, Dalian 116012, China

通讯作者: 刘学武

Abstract

Abstract: An experimental setup for separating ginger essential oil by supercritical fluid extraction is established. The effects of the extraction pressure, temperature, CO2 flow rate and particle size of raw material on the extraction rate are investigated, and the optimum process conditions of supercritical CO2 extraction are determined. A mathematical simulation model is established based on the mass conservation in differential units of extraction bed. The total mass transfer driving force and the equilibrium absorption constant are evaluated by the linear driving force theory. The results from numerical simulation agree well with the experimental data.

Key words: supercritical CO2 extraction, ginger essential oil, simulation

摘要： An experimental setup for separating ginger essential oil by supercritical fluid extraction is established. The effects of the extraction pressure, temperature, CO2 flow rate and particle size of raw material on the extraction rate are investigated, and the optimum process conditions of supercritical CO2 extraction are determined. A mathematical simulation model is established based on the mass conservation in differential units of extraction bed. The total mass transfer driving force and the equilibrium absorption constant are evaluated by the linear driving force theory. The results from numerical simulation agree well with the experimental data.

关键词: 生姜油;超临界二氧化碳;萃取工艺;数值模拟;SFE工艺

LIUXuewu, LIZhiyi, CHENShuhua, ZHANShiping, XIAYuanjing, WEIYong. Experimental and Simulating Study of Supercritical CO2 Extraction of Ginger Essential Oil[J]. .

刘学武,李志义, 陈淑花, 詹世平, 夏远景, 魏勇. 超临界二氧化碳萃取生姜油实验研究与数值模拟[J]. CIESC Journal.

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