An Experimental Study of Liquid-Liquid Microflow Pattern Maps Accompanied with Mass Transfer

邵华伟; 吕阳成; 王凯; 骆广生

doi:10.1016/S1004-9541(12)60358-9

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An Experimental Study of Liquid-Liquid Microflow Pattern Maps Accompanied with Mass Transfer

Updated：2026-01-06

- An Experimental Study of Liquid-Liquid Microflow Pattern Maps Accompanied with Mass Transfer
- Chinese Journal of Chemical Engineering Vol. 20, Issue 1, Pages: 18-26(2012)
- Affiliations：
  
  State Key Laboratory of Chemical Engineering, Department of Chemical Engineering, Tsinghua University,Beijing,China,100084
- Author bio：
- Funds：
- DOI：10.1016/S1004-9541(12)60358-9
  CLC： TQ021
- Published：2012
- Accepted：
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SHAO Huawei, Lü Yangcheng, WANG Kai, LUO Guangsheng. An Experimental Study of Liquid-Liquid Microflow Pattern Maps Accompanied with Mass Transfer[J]. , 2012, 20(1): 18-26.
DOI：

SHAO Huawei, Lü Yangcheng, WANG Kai, LUO Guangsheng. An Experimental Study of Liquid-Liquid Microflow Pattern Maps Accompanied with Mass Transfer[J]. , 2012, 20(1): 18-26. DOI： 10.1016/S1004-9541(12)60358-9.

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Abstract

This paper presents the experimental results of liquid-liquid microflows in a coaxial microfluidic device with mass transfer.Three working systems were

-butanol+phosphoric acid(PA)+water

methyl isobutyl ketone(MIBK)+PA+water

30% kerosene in tri-

-butylphosphate(TBP)+PA+water.The direction and intensity of mass transfer were adjusted by adding PA in one of two phases mutual saturated in advance.When PA transferred from the organic phase to the aqueous phase

tiny aqueous droplets may generate inside the organic phase by mass transfer inducement to form a new W/O/W flow pattern directly on some special cases.Once the PA concentration was very high

violent Marangoni effect could be observed to throw part of organic phase out of droplets as tail.The interphase transfer of PA could expand the jetting flow region

in particular for systems with low or medium interfacial tension and when the mass transfer direction was from the aqueous phase to the organic phase.

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