Changes on montmorillonite characteristics through modification

Rustam Hojiyev, Gafure Ersever, Ibrahim Ethem Karaağaçlioğlu, Firat Karakaş*, Feridun Boylu

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

17 Citations (Scopus)


Since montmorillonite (Mt) and organomontmorillonite (O-Mt) are widely used in many different areas from ordinary to high technological applications, there are lots of studies about them in the literature. However, its unique characteristic and different interaction mechanism with additives make those studies continue in order to explain much more detail on it. In this study effect of hexadecyltrimethylammonium bromide (HDTMA) on Mt through modification process has revealed in detail. Adsorption, electrokinetic, rheology and structural aspects of the system were considered in together to explain the interaction mechanism between Na-Mt and HDTMA. Mt suspensions show four different characteristics that are dependent on the HDTMA concentration as dispersion, coagulation-precipitation, coagulation-flotation and re-dispersion. It is found that sedimentation behavior at this regions are in a good agreement with adsorption isotherm, zeta potential, apparent viscosity, X-ray diffraction patterns, swelling index and filtration losses.

Original languageEnglish
Pages (from-to)105-110
Number of pages6
JournalApplied Clay Science
Publication statusPublished - 1 Jul 2016

Bibliographical note

Publisher Copyright:
© 2016 Elsevier B.V.


  • Clay-surfactant intercation
  • Modification
  • Montmorillonite
  • Organomontmorillonite


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