Liquid-Liquid-Liquid Three Phase Extraction Apparatus:Operation Strategy and Influences on Mass Transfer Efficiency

›› 2012, Vol. 20 ›› Issue (1): 27-35.

• FESTSCHRIFT IN HONOR OF THE 90TH BIRTHDAY OF PROF. CHEN JIAYONG • Previous Articles Next Articles

Liquid-Liquid-Liquid Three Phase Extraction Apparatus:Operation Strategy and Influences on Mass Transfer Efficiency

HE Xiuqiong^1,2, HUANG Kun¹, YU Pinhua^1,2, ZHANG Chao^1,2, XIE Keng^1,2, LI Pengfei^1,2, WANG Juan^1,2, AN Zhentao¹, LIU Huizhou¹

1. Key Laboratory of Green Process and Engineering, Institute of Process Engineering, Chinese Academy of Sci-ences, Beijing 100190, China;
2. Graduate University of Chinese Academy of Sciences, Beijing 100049, China

Received:2011-06-28 Revised:2011-09-23 Online:2012-05-03 Published:2012-02-28
Supported by:
Supported by the National Natural Science Foundation of China (51074150,21027004);the National Basic Research Program of China (2012CBA01203,2007CB613507);the Innovative Research Group Science Fund (20221603)

Liquid-Liquid-Liquid Three Phase Extraction Apparatus:Operation Strategy and Influences on Mass Transfer Efficiency

何秀琼^1,2, 黄昆¹, 于品华^1,2, 张超^1,2, 谢铿^1,2, 李鹏飞^1,2, 王娟^1,2, 安震涛¹, 刘会洲¹

1. Key Laboratory of Green Process and Engineering, Institute of Process Engineering, Chinese Academy of Sci-ences, Beijing 100190, China;
2. Graduate University of Chinese Academy of Sciences, Beijing 100049, China

通讯作者: HUANG Kun,E-mail:khuang@home.ipe.ac.cn;LIU Huizhou,E-mail:hzliu@home.ipe.ac.cn
基金资助:
Supported by the National Natural Science Foundation of China (51074150,21027004);the National Basic Research Program of China (2012CBA01203,2007CB613507);the Innovative Research Group Science Fund (20221603)

Abstract

Abstract: A new mixer-settler-mixer three chamber integrated extractor is proposed in this work for liquid-liquid-liquid three phase countercurrent and continuous extraction.Experiments revealed the influences of the structural design of the three-liquid-phase extractor and some key operational parameters on three-phase partition of two phenolic isomers,p-nitrophenol(p-NP) and o-nitrophenol(o-NP).The model three-liquid-phase extraction system used here is nonane(organic top-phase)-polyethylene glycol(PEG 2000)(polymer middle-phase)-(NH₄)₂SO₄ aqueous solution(aqueous bottom-phase).It is indicated that agitating speed and retention time in three-phase mixer are key parameters to extraction fraction of nitrophenol.Dispersion band behavior is related to agitating intensity,and its occurrence does not affect the extraction fraction of target compounds.The present work highlights the possibility of a feasible approach of scaling up of the proposed three-phase extraction apparatus for future industrial-aimed applications.

Key words: three-liquid-phase extraction, extractor, mixer-settler-mixer, separation, nitrophenol

摘要： A new mixer-settler-mixer three chamber integrated extractor is proposed in this work for liquid-liquid-liquid three phase countercurrent and continuous extraction.Experiments revealed the influences of the structural design of the three-liquid-phase extractor and some key operational parameters on three-phase partition of two phenolic isomers,p-nitrophenol(p-NP) and o-nitrophenol(o-NP).The model three-liquid-phase extraction system used here is nonane(organic top-phase)-polyethylene glycol(PEG 2000)(polymer middle-phase)-(NH₄)₂SO₄ aqueous solution(aqueous bottom-phase).It is indicated that agitating speed and retention time in three-phase mixer are key parameters to extraction fraction of nitrophenol.Dispersion band behavior is related to agitating intensity,and its occurrence does not affect the extraction fraction of target compounds.The present work highlights the possibility of a feasible approach of scaling up of the proposed three-phase extraction apparatus for future industrial-aimed applications.

关键词: three-liquid-phase extraction, extractor, mixer-settler-mixer, separation, nitrophenol

CLC Number:

TQ028.32

HE Xiuqiong, HUANG Kun, YU Pinhua, ZHANG Chao, XIE Keng, LI Pengfei, WANG Juan, AN Zhentao, LIU Huizhou. Liquid-Liquid-Liquid Three Phase Extraction Apparatus:Operation Strategy and Influences on Mass Transfer Efficiency[J]. , 2012, 20(1): 27-35.

何秀琼, 黄昆, 于品华, 张超, 谢铿, 李鹏飞, 王娟, 安震涛, 刘会洲. Liquid-Liquid-Liquid Three Phase Extraction Apparatus:Operation Strategy and Influences on Mass Transfer Efficiency[J]. , 2012, 20(1): 27-35.

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Liquid-Liquid-Liquid Three Phase Extraction Apparatus:Operation Strategy and Influences on Mass Transfer Efficiency

Liquid-Liquid-Liquid Three Phase Extraction Apparatus:Operation Strategy and Influences on Mass Transfer Efficiency

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