Simulation approach to decomposition kinetics and thermal hazards of hexamethylenetetramine
作者： Guoning Rao , Wei Feng , Jun Zhang , Shunyao Wang , Liping Chen
DOI: 10.1007/S10973-018-7359-8
关键词:
摘要: The thermal stability of HMT under dynamic, isothermal and adiabatic conditions was investigated using differential scanning calorimeter (DSC) accelerating rate (ARC), respectively. It is found from the dynamic DSC results that exothermic decomposition reaction appears immediately after endothermic peak, a coupling phenomenon heat absorption generation, peak were indentified at about 277–289 279–296 °C (Tpeak) with heating rates 1, 2, 4 8 °C min−1. ARC reveal initial temperature 236.55 °C, total gas production in process 6.9 mol kg−1. Based on data, some kinetic parameters have been determined safety software. simulation show can be expressed by an autocatalytic mechanism. There also good agreement between model simulated based data. Thermal hazards evaluated carrying out explosion simulations, which models (Isothermal ARC) to predict several hazard indicators, such as TD24, TD8, TCL, SADT, ET CT so we optimize transportation storage for chemical, minimizing industrial disasters.
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