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Updated: May 21, 2026
09:38
Biomembrane Fabrication by the Solvent-assisted Lipid Bilayer (SALB) Method
Published on: December 1, 2015
External field-enhanced membrane demulsification: Dynamic interfacial behaviors and separation mechanisms.
Jiaojiao Dai1, Mengjiao Xu1, Changyu Leng1
1State Key Laboratory of Chemistry and Utilization of Carbon-Based Energy Resources; College of Chemistry, Xinjiang University, Urumqi, 830017, Xinjiang, China.
Advances in Colloid and Interface Science
|May 19, 2026
Summary
External fields enhance membrane separation for oil-water emulsions by overcoming fouling and improving efficiency. This technology offers sustainable solutions for emulsion treatment, boosting flux recovery and operational stability.
Area of Science:
- Materials Science
- Chemical Engineering
- Environmental Science
Background:
- Membrane separation is effective for oil-water emulsions but suffers from membrane fouling and flux decline.
- Interfacial properties critically influence separation performance but can be modulated by external fields.
Purpose of the Study:
- To review the principles and challenges of membrane-based emulsion separation.
- To analyze how external fields enhance membrane separation performance and address fouling.
- To discuss future prospects for external-field-assisted membrane systems.
Main Methods:
- Review of fundamental principles of oil-water separation and membrane performance.
- Analysis of bottlenecks in membrane-based emulsion separation.
- Elaboration on mechanisms of external field enhancement (light, electricity, magnetism, etc.).
Main Results:
- External fields can destabilize emulsions, reduce separation energy, and improve antifouling/regeneration.
- Different fields modulate interfacial behavior, mass transfer, and membrane surface properties.
- Synergistic effects improve flux recovery and long-term operational stability.
Conclusions:
- External fields offer significant potential for enhancing membrane separation of emulsions.
- These methods can lead to more efficient and sustainable separation processes.
- Further development is needed for practical application of external-field-assisted membrane systems.
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