- Non-isothermal Behavior of Calcium Carbonate
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Yong-Un Sohn, Jae-Won Lim, Good-Sun Choi
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J Korean Powder Metall Inst. 2009;16(3):167-172.
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DOI: https://doi.org/10.4150/KPMI.2009.16.3.167
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 Abstract
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- This study has been carried out to investigate the non-isothermal behaviors and kinetic parameter of calcium carbonate by different thermal analysis methods. At the heating rate of 10°C/min, the onset calcination temperature, the peak and final temperatures of calcium carbonate were 612°C, 748°C, and 890°C respectively. As the heating rate of the calcium carbonate increased from 5°C/min to 20°C/min, the peak temperature increased from 719°C to 782°C. The activation energies of the calcium carbonate calculated by the methods of Kissinger and Freeman-Carroll were 40.15 kcal/mol and 43.47 kcal/mol, respectively.
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