Abstract
In this research, thermal characterization and kinetics of Karakus crude oil in the presence of limestone matrix is investigated. Thermogravimetry (TG/DTG) is used to characterize the crude oil in the temperature range of 20-900°C, at 10°C min -1 heating rate using air flow rate of 20 mL min -1. In combustion with air, three distinct reaction regions were identified known as low temperature oxidation (LTO), fuel deposition (FD) and high temperature oxidation (HTO). Five different kinetic methods used to analyze the TG/DTG data to identify reaction parameters as activation energy and Arrhenius constant. On the other hand different f(α) models from literature were also applied to make comparison. It was observed that high temperature oxidation temperature (HTO) activation energy of Karakus crude oil is varied between 54.1 and 86.1 kJ mol -1, while low temperature oxidation temperature (LTO) is varied between 6.9 and 8.9 kJ mol -1.
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Kök, M.V., Acar, C. Kinetics of crude oil combustion . J Therm Anal Calorim 83, 445–449 (2006). https://doi.org/10.1007/s10973-005-7152-3
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DOI: https://doi.org/10.1007/s10973-005-7152-3