Published: CABEQ 25 (3) (2011) 283–287
Paper type: Original Scientific Paper

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Combustion of Active Carbon as a Model Carbon Material: Comparison of Non-catalytic and Catalytic Oxidation

V. Tomašić, I. Brnardić, H. Jenei, V. Kosar and S. Zrnčević

Kinetics of non-catalytic and Pt-catalysed oxidation of active carbon, selected as a model carbon material was investigated using thermogravimetric analysis (TGA). Investigations were performed in the temperature range from 40 °C to 1000 °C at different heating rates (5–25 °C min–1). The influence of Pt-based catalyst on the combustion kinetics was examined as well. Values of the kinetic parameters, such as activation energy, Ea and Arrhenius pre-exponential factor, A were determined using isoconversional method proposed by Kissinger-Akahira-Sunose. The obtained values were in good agreement with the literature data.

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combustion, carbon material, kinetics, isoconversional method