Surfactant Distribution in the Clouding of TX114

›› 2008, Vol. 16 ›› Issue (5): 722-725.

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Surfactant Distribution in the Clouding of TX114

QIN Wei, HUANG Yan, DING Yuwen, DAI Youyuan

State Key Laboratory of Chemical Engineering, Department of Chemical Engineering, Tsinghua University, Beijing 100084, China

Received:2007-11-21 Revised:2008-06-06 Online:2008-10-28 Published:2008-10-28
Supported by:
the National Natural Science Foundation of China (20676069)

Surfactant Distribution in the Clouding of TX114

秦炜, 黄焱, 丁昱文, 戴猷元

State Key Laboratory of Chemical Engineering, Department of Chemical Engineering, Tsinghua University, Beijing 100084, China

通讯作者: QIN Wei,E-mail:qinwei@tsinghua.edu.cn
基金资助:
the National Natural Science Foundation of China (20676069)

Abstract

Abstract: Distribution of TX114 between coacervate and aqueous phases in clouding of various initial TX114 concentrations was studied. Effects of temperature and salinity (Na₂SO₄) on the distribution of TX114 concentration were also investigated. Differing from the nonionic surfactant C₁₂E₁₀, the distribution of TX114 is sensitive to the temperature, and it is observed that the TX114 concentration in the aqueous phase (C_aq) does not depend on the initial TX114 concentration apparently at 45℃, and the C_aq decreases with an increase of Na₂SO₄ concentration.Low initial TX114 concentration in unclouded solutions, high Na₂SO₄ concentration, and temperature are suggested to control the surfactant loss in large-scale cloud point extraction applications.

Key words: TX114, cloud point, TX114 distribution, coacervate and aqueous phases

摘要： Distribution of TX114 between coacervate and aqueous phases in clouding of various initial TX114 concentrations was studied. Effects of temperature and salinity (Na₂SO₄) on the distribution of TX114 concentration were also investigated. Differing from the nonionic surfactant C₁₂E₁₀, the distribution of TX114 is sensitive to the temperature, and it is observed that the TX114 concentration in the aqueous phase (C_aq) does not depend on the initial TX114 concentration apparently at 45℃, and the C_aq decreases with an increase of Na₂SO₄ concentration.Low initial TX114 concentration in unclouded solutions, high Na₂SO₄ concentration, and temperature are suggested to control the surfactant loss in large-scale cloud point extraction applications.

关键词: TX114, cloud point, TX114 distribution, coacervate and aqueous phases

QIN Wei, HUANG Yan, DING Yuwen, DAI Youyuan. Surfactant Distribution in the Clouding of TX114[J]. , 2008, 16(5): 722-725.

秦炜, 黄焱, 丁昱文, 戴猷元. Surfactant Distribution in the Clouding of TX114[J]. , 2008, 16(5): 722-725.

References

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Surfactant Distribution in the Clouding of TX114

Surfactant Distribution in the Clouding of TX114

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