Instability Mechanisms of Supported Liquid Membrane for Phenol Transport

›› 2009, Vol. 17 ›› Issue (5): 750-755.

Instability Mechanisms of Supported Liquid Membrane for Phenol Transport

郑辉东^1,2, 王碧玉², 吴燕翔², 任其龙¹

1. National Laboratory of Secondary Resources Chemical Engineering, Zhejiang University, Hangzhou 310027, China;
2. College of Chemistry and Chemical Engineering, Fuzhou University, Fuzhou 350108, China

收稿日期:2008-12-16 修回日期:2009-03-06 出版日期:2009-10-28 发布日期:2009-10-28
通讯作者: REN Qilong,E-mail:renql@zju.edu.cn
基金资助:
Supported by the National Natural Science Foundation of China (20676023)

Instability Mechanisms of Supported Liquid Membrane for Phenol Transport

ZHENG Huidong^1,2, WANG Biyu², WU Yanxiang², REN Qilong¹

1. National Laboratory of Secondary Resources Chemical Engineering, Zhejiang University, Hangzhou 310027, China;
2. College of Chemistry and Chemical Engineering, Fuzhou University, Fuzhou 350108, China

Received:2008-12-16 Revised:2009-03-06 Online:2009-10-28 Published:2009-10-28
Supported by:
Supported by the National Natural Science Foundation of China (20676023)

摘要/Abstract

摘要： The instability mechanisms of the supported liquid membrane using Celgard 2500 membranes as support and tributyl phosphate dissolved in kerosene as carrier for phenol transport was studied by electrochemical impedance spectroscopy.Emulsion formation is demonstrated to be one of the main causes for the instability of supported liquid membrane in the present system.The emulsion-facilitated conditions,such as higher membrane liquid concentration,faster stirring speed,lower salt concentration and higher HLB value,would accelerate the degradation of supported liquid membrane.Other mechanisms including solubility and osmotic pressure work together to increase the membrane liquid loss.

关键词: supported liquid membrane, phenol, instability mechanisms, emulsion formation

Abstract: The instability mechanisms of the supported liquid membrane using Celgard 2500 membranes as support and tributyl phosphate dissolved in kerosene as carrier for phenol transport was studied by electrochemical impedance spectroscopy.Emulsion formation is demonstrated to be one of the main causes for the instability of supported liquid membrane in the present system.The emulsion-facilitated conditions,such as higher membrane liquid concentration,faster stirring speed,lower salt concentration and higher HLB value,would accelerate the degradation of supported liquid membrane.Other mechanisms including solubility and osmotic pressure work together to increase the membrane liquid loss.

Key words: supported liquid membrane, phenol, instability mechanisms, emulsion formation

郑辉东, 王碧玉, 吴燕翔, 任其龙. Instability Mechanisms of Supported Liquid Membrane for Phenol Transport[J]. , 2009, 17(5): 750-755.

ZHENG Huidong, WANG Biyu, WU Yanxiang, REN Qilong. Instability Mechanisms of Supported Liquid Membrane for Phenol Transport[J]. , 2009, 17(5): 750-755.

参考文献

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Instability Mechanisms of Supported Liquid Membrane for Phenol Transport

Instability Mechanisms of Supported Liquid Membrane for Phenol Transport

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