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Dynamic interfacial tension minima in finite systems

✍ Scribed by E. Rubin; C.J. Radke

Publisher
Elsevier Science
Year
1980
Tongue
English
Weight
967 KB
Volume
35
Category
Article
ISSN
0009-2509

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✦ Synopsis

A physical model IS presented to explam the dramatlc mterfaclal tenslon mmuna that may sometimes occur dunng the equlhbratlon of a surface-active solute between two liquid phases The effects of bulk phase mass transfer resistances, mterfaclal sorption kinetics, and finite phase volumes are mcluded Adsorption and desorptlon barriers are treated both by linear and Langmmr kmetlcs Dynamic mterfaclal tension mmuna are predicted whenever the solute mass transfer resistance IS higher and/or a large desorptlon barrier exists m the phase towards which transfer IS occurnng Experimental dynamic tension mmlma for acldlc orgamc phases contacting an alkaline aqueous phase can be ratlonahzed by the existence of desorptlon barriers The relevance of such tension mmlma to mterfaclal turbulence, spontaneous emulslficatlon, and enhanced 011 recovery 1s discussed

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