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The European Physical Journal Special Topics

, Volume 225, Issue 4, pp 757–765 | Cite as

Controlled microfluidic emulsification of oil in a clay nanofluid: Role of salt for Pickering stabilization

  • A. Gholamipour-Shirazi
  • M.S. Carvalho
  • J.O. Fossum
Regular Article
Part of the following topical collections:
  1. Cooperative Particles: Patchy Colloids, Active Matter and Nanofluids

Abstract

Research on emulsions is driven by their widespread use in different industries, such as food, cosmetic, pharmaceutical and oil recovery. Emulsions are stabilized by suitable surfactants, polymers, solid particles or a combination of them. Microfluidic emulsification is the process of droplet formation out of two or more liquids under strictly controlled conditions, without pre-emulsification step. Microfluidic technology offers a powerful tool for investigating the properties of emulsions themselves. In this work stable oil in water emulsions were formed with hydrophilic Laponite RD® nanoparticles adsorbed at the interface of the oil phase and aqueous clay nanofluid in a T junction microfluidic chip. Emulsion stability up to at least 40 days could be observed.

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Copyright information

© EDP Sciences and Springer 2016

Authors and Affiliations

  • A. Gholamipour-Shirazi
    • 1
  • M.S. Carvalho
    • 1
  • J.O. Fossum
    • 2
  1. 1.Department of Mechanical EngineeringPontificia Universidade Catolica do Rio de Janeiro – PUC-RioRio de JaneiroBrazil
  2. 2.Department of PhysicsNorwegian University of Science and Technology – NTNUTrondheimNorway

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