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Chemical Papers

, Volume 70, Issue 9, pp 1196–1203 | Cite as

Influence of pH and cationic surfactant on stability and interfacial properties of Algerian bitumen emulsion

  • Abdelkader Benderrag
  • Mortada Daaou
  • Boumedienne Bounaceur
  • Boumedienne Haddou
Original Paper

Abstract

The influence of water pH and cationic surfactant content on the interfacial properties and stability of an Algerian bitumen aqueous emulsion were investigated. While the stability was quantified by both the test-bottle method and size distribution measurements, the interfacial properties of the water-bitumen interface were assessed using interfacial tension measurements. Optical microscopy was also used to visualise the dispersed water droplets in the oil phase. The results showed that addition of the cationic surfactant at a concentration of 25 mmol L−1 in acidic water (pH 2) improves the bitumen emulsion stability and effectively decreases the interfacial tension.

Keywords

Algerian bitumen cationic surfactant interfacial properties emulsion stability 

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Copyright information

© Institute of Chemistry, Slovak Academy of Sciences 2016

Authors and Affiliations

  • Abdelkader Benderrag
    • 1
  • Mortada Daaou
    • 2
    • 3
  • Boumedienne Bounaceur
    • 3
  • Boumedienne Haddou
    • 1
  1. 1.Laboratory of Physical Chemistry of Materials: Catalysis and EnvironmentUniversity of Sciences and Technology of Oran Mohamed Boudiaf USTO-MBOranAlgeria
  2. 2.Laboratory of Organic Synthesis, Physical Chemistry, Bimolecular and Environment (LSPBE)University of Sciences and Technology of Oran Mohamed Boudiaf USTO-MBOranAlgeria
  3. 3.Laboratory of Macromolecular Physical Chemistry, Faculty of SciencesUniversity of OranOranAlgeria

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