Abstract
Combustion characteristics of two different coal samples were investigated using power compensating type differential scanning calorimeter (DSC) and thermogravimetry (TG–DTG) at different heating rates (5, 10 and 15 °C/min). Differential scanning calorimeter (DSC) and thermogravimetry (TG–DTG) curves revealed two main reaction regions at each heating rate studied. Reaction regions, peak and burn-out temperatures, weight loss and heat of reactions of the samples were determined. Kinetic parameters of the coal samples were also determined by different methods and it was observed that the activation energy values of the coal samples were in the range of 27.2–76.2 kJ/mol for different reaction regions studied.
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