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Breaking of double emulsions based on electrohydrodynamics principles
Aleksandar M Spasic1, Jovan M Jovanovic2, Vaso Manojlovic1
1Institute for Technology of Nuclear and Other Mineral Raw Materials, Department of Chemical Engineering, 86 F. d'Esperey St., P.O. Box 390, 11000 Belgrade, Serbia.
Journal of Colloid and Interface Science
|July 9, 2016
Summary
This study models electrocoalescence (EC) in liquid-liquid systems, crucial for breaking double emulsions. The findings aid in designing solutions for entrainment issues in industrial plants.
Area of Science:
- Chemical Engineering
- Physical Chemistry
- Materials Science
Background:
- Liquid-liquid dispersed systems are vital in chemical processes like uranium extraction.
- Breaking double emulsions is essential for efficient solvent extraction and preventing entrainment.
- Existing models may not fully capture the complexities of electrocoalescence.
Purpose of the Study:
- To develop a model for electrocoalescence (EC) in liquid-liquid dispersed systems.
- To apply electrohydrodynamic (EHD) principles to understand EC during double emulsion breaking.
- To provide insights for designing solutions to entrainment problems in industrial settings.
Main Methods:
- Modeling of liquid-liquid dispersed systems using electrohydrodynamic (EHD) principles.
- Incorporation of concepts like entities and classification of dispersed systems.
- Introduction of memristive elements for describing current-controlled devices within the model.
Main Results:
- A framework based on EHD principles for modeling EC was established.
- The study integrates concepts of dispersed systems and memristive elements.
- The model provides a basis for understanding and potentially mitigating entrainment issues.
Conclusions:
- The developed EHD-based model offers a new perspective on electrocoalescence.
- Findings can facilitate the design of improved solutions for breaking double emulsions.
- Further research is needed to address remaining challenges in EHD modeling of such systems.
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