Structural characterization and dehydration kinetics of KIrka inderite mineral: Application of non-isothermal models

  • Figen A
  • Yilmaz M
  • Pi??kin S
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Abstract

Coats-Redfern, Arrhenius, Ozawa, Kissinger, and Doyle non-isothermal kinetic models were used to calculate the dynamic kinetic parameters for dehydration reaction of Mg-borate mineral, inderite (KIrka - Turkey) based on thermogravimetric analysis, derivative thermogravimetric analysis and differential thermal analysis. Dehydration experiments were carried out at different heating rates of 2, 5, 10, 15, and 20 ??C/min in a pure nitrogen atmosphere. Structural and morphological properties have been characterized by X-Ray diffraction, Fourier transform-infrared spectroscopy, Scanning electron microscopy-energy dispersive spectroscopy, and Inductively coupled plasma-optical emission spectroscopy techniques. ?? 2010 Elsevier Inc.

Author-supplied keywords

  • Characterization
  • Dehydration
  • Inderite
  • Kinetics
  • Non-isothermal
  • Thermal analysis

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