The thermal decomposition process of benzoyl peroxide was investigated by Accelerating Rate Calorimeter.The curves of thermal decomposition temperature and pressure versus time for the systems were obtained.The curves...The thermal decomposition process of benzoyl peroxide was investigated by Accelerating Rate Calorimeter.The curves of thermal decomposition temperature and pressure versus time for the systems were obtained.The curves of temperature rising-rate versus thermal decomposition temperature were also obtained.After the data revision disposal and analysis processing,thermal decomposition parameters and kinetic data of benzoyl peroxide were calculated,respectively.展开更多
13% Acetic hydroperoxide was investigated by accelerating rate calorimeter (ARC).From ARC test,the initial exothermic temperature was 45.25℃,the maximum pressure was 1.31 MPa,and the maximum self-heating rate tempera...13% Acetic hydroperoxide was investigated by accelerating rate calorimeter (ARC).From ARC test,the initial exothermic temperature was 45.25℃,the maximum pressure was 1.31 MPa,and the maximum self-heating rate temperature was 113.10℃.The measured results indicated that the acetic hydroperoxide was easy to decompose and had obvious explosive hazard.In the end,the paper discusses related prevention measures,such as cooling and reasonable relief method,to avoid hazard.展开更多
In order to prevent fire even explosion accident caused by hydrazines in chemical industry,the adiabatic stability of benzoyl hydrazine and p-nitro phenyl hydrazine are tested by Accelerating Rate Calorimeter(ARC).The...In order to prevent fire even explosion accident caused by hydrazines in chemical industry,the adiabatic stability of benzoyl hydrazine and p-nitro phenyl hydrazine are tested by Accelerating Rate Calorimeter(ARC).Then pseudo-inverse matrix method is used to calculate dynamics parameters of the two samples respectively.Finally,the measured data are modified by considering of thermal inertia factor of ARC.The results show that the initial exothermic temperature for benzoyl hydrazine is 141.16℃.with the maximum temperature being 364.50℃ and the time to maxinmm self-heating rate is 1061.11 min.But the initial exothermic temperature for p-Nitro phenyl hydrazine is 88.36℃,with the maximum temperature being 596.38℃ and the time to maximum self-heating rate is 314.67 min.It can be seen that p-nitro phenyl hydrazine is easier to explode and the explosion is more powerful.展开更多
文摘The thermal decomposition process of benzoyl peroxide was investigated by Accelerating Rate Calorimeter.The curves of thermal decomposition temperature and pressure versus time for the systems were obtained.The curves of temperature rising-rate versus thermal decomposition temperature were also obtained.After the data revision disposal and analysis processing,thermal decomposition parameters and kinetic data of benzoyl peroxide were calculated,respectively.
文摘13% Acetic hydroperoxide was investigated by accelerating rate calorimeter (ARC).From ARC test,the initial exothermic temperature was 45.25℃,the maximum pressure was 1.31 MPa,and the maximum self-heating rate temperature was 113.10℃.The measured results indicated that the acetic hydroperoxide was easy to decompose and had obvious explosive hazard.In the end,the paper discusses related prevention measures,such as cooling and reasonable relief method,to avoid hazard.
文摘In order to prevent fire even explosion accident caused by hydrazines in chemical industry,the adiabatic stability of benzoyl hydrazine and p-nitro phenyl hydrazine are tested by Accelerating Rate Calorimeter(ARC).Then pseudo-inverse matrix method is used to calculate dynamics parameters of the two samples respectively.Finally,the measured data are modified by considering of thermal inertia factor of ARC.The results show that the initial exothermic temperature for benzoyl hydrazine is 141.16℃.with the maximum temperature being 364.50℃ and the time to maxinmm self-heating rate is 1061.11 min.But the initial exothermic temperature for p-Nitro phenyl hydrazine is 88.36℃,with the maximum temperature being 596.38℃ and the time to maximum self-heating rate is 314.67 min.It can be seen that p-nitro phenyl hydrazine is easier to explode and the explosion is more powerful.
