Quantifying the Pathway and Predicting Spontaneous Emulsification during Material Exchange in a Two Phase Liquid System

Scientific Reports
Stephen SpoonerSeetharaman Sridhar

Abstract

Kinetic restriction of a thermodynamically favourable equilibrium is a common theme in materials processing. The interfacial instability in systems where rate of material exchange is far greater than the mass transfer through respective bulk phases is of specific interest when tracking the transient interfacial area, a parameter integral to short processing times for productivity streamlining in all manufacturing where interfacial reaction occurs. This is even more pertinent in high-temperature systems for energy and cost savings. Here the quantified physical pathway of interfacial area change due to material exchange in liquid metal-molten oxide systems is presented. In addition the predicted growth regime and emulsification behaviour in relation to interfacial tension as modelled using phase-field methodology is shown. The observed in-situ emulsification behaviour links quantitatively the geometry of perturbations as a validation method for the development of simulating the phenomena. Thus a method is presented to both predict and engineer the formation of micro emulsions to a desired specification.

References

May 4, 2001·Journal of Colloid and Interface Science·Taisei Nishimi, Clarence A. Miller
Mar 4, 2003·Nature Materials·László GránásyVincent Ferreiro
Jul 22, 2004·International Journal of Pharmaceutics·K BouchemalH Fessi
Mar 9, 2005·Chemphyschem : a European Journal of Chemical Physics and Physical Chemistry·François Ganachaud, Joseph L Katz
Sep 21, 2013·Journal of Colloid and Interface Science·Amir Hossein SaberiDavid Julian McClements
Apr 27, 2017·Scientific Reports·Valentina CappelloMauro Gemmi
Jul 16, 2017·Scientific Reports·Stephen SpoonerSeetharaman Sridhar

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