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The viscosity and zeta potential of bentonite dispersions in presence of anionic surfactants

Authors
Journal
Materials Letters
0167-577X
Publisher
Elsevier
Publication Date
Volume
57
Issue
2
Identifiers
DOI: 10.1016/s0167-577x(02)00803-0
Keywords
  • Rheology
  • Zeta Potential
  • Viscosity
  • Bentonite–Water Systems
  • Anionic Surfactant
  • Ammonium Lauryl Sulfate
  • Sodium Dodecyl Sulfate

Abstract

Abstract The influence of surfactants on the flow behaviour of bentonite dispersions (2% w/w) is studied for two anionic surfactants, sodium dodecyl sulfate (SDS) and ammonium lauryl sulfate (ALS). In the range of 10 −4–10 −2 mol/l, the surfactants show different effects on the viscosity and zeta potential of the bentonite suspension. The experimental results are discussed considering changes in the interlayer of the clay minerals.

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