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Visualization of Mass Transfer during Droplet Formation
Author(s) -
Heine Jens Stefan,
Bart Hans-Jörg
Publication year - 2019
Publication title -
chemical engineering and technology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.403
H-Index - 81
eISSN - 1521-4125
pISSN - 0930-7516
DOI - 10.1002/ceat.201800706
Subject(s) - mass transfer , marangoni effect , rhodamine 6g , chemistry , convection , mixing (physics) , analytical chemistry (journal) , chromatography , thermodynamics , molecule , organic chemistry , physics , quantum mechanics
The impact of mass transfer in liquid‐liquid extraction during droplet formation in a quiescent continuous phase was investigated. The impact of droplet size, concentration, and formation rate on a hanging droplet was analyzed via laser induced fluorescence (LIF) using rhodamine 6G as tracer in the system of toluene and acetone in water. The droplet formation rate has a major impact on mass transfer and the mixing pattern inside the droplet. Very fast mass transfer induced by Marangoni convection was visualized at a high local resolution independently of concentration and formation rate.

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