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Temperature-controlled combustion and kinetics of different rank coal samples

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Abstract

Differential scanning calorimetry (DSC) and thermogravimetry (TG/DTG) has been used to obtain information on the temperature-controlled combustion characteristics of seventeen coals of different origin from Thrace basin of Turkey. Experiments were performed in air atmosphere up to 600°C at a heating rate of 10°C min-1. The DSC/TG curves clearly demonstrate distinct transitional stages in the entire coal samples studied. Reaction intervals, peak and burn-out temperatures of the coal samples are also determined. Two different kinetic methods known as, Arrhenius and Coats-Redfern, were used to analyze the kinetic data and the results are discussed.

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Authors and Affiliations

  1. Department of Petroleum and Natural Gas Engineering, Middle East Technical University, 06531, Ankara, Turkey

    M. V. Kök

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  1. M. V. Kök
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Kök, M.V. Temperature-controlled combustion and kinetics of different rank coal samples. J Therm Anal Calorim 79, 175–180 (2005). https://doi.org/10.1007/s10973-004-0581-6

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  • DOI: https://doi.org/10.1007/s10973-004-0581-6

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