Microprocesses of liquid extraction

The extraction mechanism has been considered and the crucial role of the dynamic interfacial layer has been noted. The microprocesses that take place in extraction systems and are associated with the Marangoni effect, the loss of hydrodynamic stability, partial dispersion, coalescence, flocculation,...

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Bibliographic Details
Published inTheoretical foundations of chemical engineering Vol. 50; no. 4; pp. 632 - 637
Main Authors Kizim, N. F., Golubina, E. N., Tarasov, V. V.
Format Journal Article
LanguageEnglish
Published Moscow Pleiades Publishing 01.07.2016
Springer Nature B.V
Subjects
Adsorption
Chemistry
Chemistry and Materials Science
Coalescing
Industrial Chemistry/Chemical Engineering
Selected Articles from the Journal Khimicheskaya Tekhnologiya
polymerization
adsorption
coalescence
liquid extraction
rare earth elements
structure formation
dispersion
coagulation
flocculation
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Summary:The extraction mechanism has been considered and the crucial role of the dynamic interfacial layer has been noted. The microprocesses that take place in extraction systems and are associated with the Marangoni effect, the loss of hydrodynamic stability, partial dispersion, coalescence, flocculation, the Ostwald ripening of drops, chemical reactions, the emergence of a new phase, adsorption, coagulation, the formation of structures, and polymerization have been described. For LnCl 3 –H 2 O–diluent systems (heptane, toluene, tetrachloromethane), data on the shift in the boundaries of the observed transition region over time have been presented. The mechanism of the transfer of the substance in the transition region of the extraction system has been formulated.
ISSN:0040-5795
1608-3431
DOI:10.1134/S0040579516040126