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Electrokinetic Characteristics Of Calcined Kaolinite In Aqueous Electrolytic Solutions

Author

Listed:
  • TIANXING CHEN

    (School of Resources and Environmental Engineering, Wuhan University of Technology, Luoshi Road 122, Wuhan, Hubei 430070, P. R. China)

  • YUNLIANG ZHAO

    (School of Resources and Environmental Engineering, Wuhan University of Technology, Luoshi Road 122, Wuhan, Hubei 430070, P. R. China)

  • HONGLIANG LI

    (School of Resources and Environmental Engineering, Wuhan University of Technology, Luoshi Road 122, Wuhan, Hubei 430070, P. R. China)

  • JIA LIU

    (School of Resources and Environmental Engineering, Wuhan University of Technology, Luoshi Road 122, Wuhan, Hubei 430070, P. R. China)

  • SHAOXIAN SONG

    (School of Resources and Environmental Engineering, Wuhan University of Technology, Luoshi Road 122, Wuhan, Hubei 430070, P. R. China)

Abstract

In this work, the electrokinetic characteristics of calcined kaolinite in aqueous solutions has been studied in the presence of the electrolytes ofNaCl,KCl,NH4Cl,NaNO3,MgCl2,CaCl2andAlCl3, through electrophoretic measurement. The experimental results have shown that the zeta potential was closely dependent on the valence and concentration of the electrolytic cations, but not on the type of the cations. The higher the valence and the concentration were, the stronger the impact to the zeta potential was.Al3+could reverse the potential sign from negative to positive. In addition, it was found that the monovalent anions ofCl-and${\rm NO}_{3}^{-}$made a big difference to the zeta potential at the same dosage.

Suggested Citation

  • Tianxing Chen & Yunliang Zhao & Hongliang Li & Jia Liu & Shaoxian Song, 2015. "Electrokinetic Characteristics Of Calcined Kaolinite In Aqueous Electrolytic Solutions," Surface Review and Letters (SRL), World Scientific Publishing Co. Pte. Ltd., vol. 22(03), pages 1-5.
    • Handle: RePEc:wsi:srlxxx:v:22:y:2015:i:03:n:s0218625x15500419
    DOI: 10.1142/S0218625X15500419
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