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The Thermogravity analysis study on the spontaneous combustion of coal

WU Qiang,CHEN Wen-sheng(College of Safety Engineering, Hei Longjiang Institute of Science and Technology,Haerbin 150027,China)  
The experiments were taken used to spontaneous simulate combustion of coal in this study.The non-fixed temperature thermogravimetry and derivative thermogravimetry were used to study the course of low temperature thermal oxidizing decomposition on 4 coal samples, then the spontaneous combustion mechanism of coal was discussed. By Arrhenius equation, different thermogravimetry data and kinetic parameters .The relation of spontaneous combustion tendency and activation energy was studied. It showed that activation energy can be a consult index of divide spontaneous combustion tendency.
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