Novel Gas-assisted Three-liquid-phase Extraction System for Simultaneous Separation and Concentration of Anthraquinones in Herbal Extract

Xingfu Yang; Xiangfeng Liang; Liangrong Yang; Feng Pan; Fuli Deng; Huizhou Liu

doi:10.1016/j.cjche.2014.06.029

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Novel Gas-assisted Three-liquid-phase Extraction System for Simultaneous Separation and Concentration of Anthraquinones in Herbal Extract

分离科学与工程 | Updated：2026-01-06

- Novel Gas-assisted Three-liquid-phase Extraction System for Simultaneous Separation and Concentration of Anthraquinones in Herbal Extract
- Novel Gas-assisted Three-liquid-phase Extraction System for Simultaneous Separation and Concentration of Anthraquinones in Herbal Extract
- 中国化学工程学报（英文版） 2014年22卷第9期页码：968-973
- Affiliations：
  
  1. Key Laboratory of Green Process and Engineering, Institute of Process Engineering, Chinese Academy of Sciences,Beijing,China,100190
  2. University of Chinese Academy of Sciences,Beijing,China,100049
  3. National Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences,Beijing,China,100190
- Author bio：
- Funds：
- DOI：10.1016/j.cjche.2014.06.029
  中图分类号：
- 纸质出版：2014
- Accepted：
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Xingfu Yang, Xiangfeng Liang, Liangrong Yang, 等. Novel Gas-assisted Three-liquid-phase Extraction System for Simultaneous Separation and Concentration of Anthraquinones in Herbal Extract[J]. 中国化学工程学报（英文版）, 2014,22(9):968-973.

Xingfu Yang, Xiangfeng Liang, Liangrong Yang, Feng Pan, Fuli Deng, Huizhou Liu. Novel Gas-assisted Three-liquid-phase Extraction System for Simultaneous Separation and Concentration of Anthraquinones in Herbal Extract[J]. , 2014, 22(9): 968-973.
Xingfu Yang, Xiangfeng Liang, Liangrong Yang, 等. Novel Gas-assisted Three-liquid-phase Extraction System for Simultaneous Separation and Concentration of Anthraquinones in Herbal Extract[J]. 中国化学工程学报（英文版）, 2014,22(9):968-973. DOI： 10.1016/j.cjche.2014.06.029.

Xingfu Yang, Xiangfeng Liang, Liangrong Yang, Feng Pan, Fuli Deng, Huizhou Liu. Novel Gas-assisted Three-liquid-phase Extraction System for Simultaneous Separation and Concentration of Anthraquinones in Herbal Extract[J]. , 2014, 22(9): 968-973. DOI： 10.1016/j.cjche.2014.06.029.

摘要

Abstract

Gas-assisted three-liquid-phase extraction (GATE)

which has the advantages of both three-liquid-phase extraction and solvent sublation

is a novel separation technique for separation and concentration of two organic compounds into different phases in one step. This highly effective and economically applicable method has been developed for separating emodin and rhein from herbal extract. In a GATE system composed of butyl acetate/ PEG4000/ammoniumsulfate aqueous solution

influence of various parameters including gas flow rate

flotation time

salt concentration

initial volumeof PEG and butyl acetatewas investigated. Within 50 min of 30 ml·min

-1

nitrogen flow

removal ratio of emodin and rhein from aqueous phase could be over 99% and 97%

respectively. Mass fraction of emodin in the BA phase and rhein in the PEG phase could reach 97% and 95%

respectively. It is demonstrated that gas bubbling is effective for partitioning of emodin and rhein into butyl acetate and PEG phase respectively

and dispersed PEG and butyl acetate could be captured from the aqueous solution. Experimental results showthat GATE could be an effective and economical technology for concentration and separation of co-existe

d products in medicinal plants.

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