Flooding characteristics of an aqueous two-phase system in a counter-current Kuni-type column

The flooding behavior of an aqueous two-phase system was investigated using a laboratory-scale counter-current agitated Kuni-type column. Experimental flooding limits were compared to the literature which has been established for aqueousaorganic two-phase systems. Although the density difference and...

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Bibliographic Details
Published inChemical engineering science Vol. 98; pp. 98 - 103
Main Authors Rode, Sabine, Durand, Alain, Mabille, Isabelle, Favre, Eric
Format Journal Article
LanguageEnglish
Published 01.07.2013
Subjects
Agitated
Chemical engineering
Density
Droplets
Flooding
Interfacial tension
Terminals
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Summary:The flooding behavior of an aqueous two-phase system was investigated using a laboratory-scale counter-current agitated Kuni-type column. Experimental flooding limits were compared to the literature which has been established for aqueousaorganic two-phase systems. Although the density difference and interfacial tension in the aqueous two-phase system studied were beyond the values typically encountered in aqueous-organic systems, comparison to the existing literature allowed for a prediction of the onset of flooding. Thus existing estimation procedures of the mean Sauter droplet diameter and terminal droplet velocity can be applied to aqueous two-phase systems.
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ISSN:0009-2509
DOI:10.1016/j.ces.2013.03.059