Kinetic analysis and thermal hazard of 3-chloroperbenzoic acid

doi:10.16265/j.cnki.issn1003-3033.2017.07.020

Abstract

Abstract: In order to study the thermal decomposition process and hazard of m-CPBA under non-isothermal and adiabatic conditions, a differential scanning calorimeter (DSC) and an accelerating rate calorimeter (ARC)were used to investigate its decomposition characteristics. Thermogravimetric (TG) method was applied to determine the initial decomposition temperature. The kinetics parameters such as activation energy,pre-exponential factor and reaction order were calculated by Kissinger method, Ozawa method and rate constant method. TMR_ad was simulated based on ARC experimental data. The researche results indicate that the initial decomposition temperature of m-CPBA is 94 ℃, that the thermal decomposition of m-CPBA occurs during melting process,that the adiabatic temperature rise of m-CPBA is 41.69 ℃,that the temperatures of TMRad at 8, 24 h are 54.7 ℃ and 50.9 ℃ respectively,and that the ambient temperature of m-CPBA should be under strict control in the process of storage, transportation and use.

Key words: 3-chloroperbenzoic acid(m-CPBA), thermal decomposition, thermal hazard, kinetic parameters, time to maximum rate under adiabatic condition (TMR_ad)

CLC Number:

X937
TQ031.5

JIANG Jiajia, YANG Jianzhou, JIANG Juncheng, PAN Yong, PAN Xuhai. Kinetic analysis and thermal hazard of 3-chloroperbenzoic acid[J]. China Safety Science Journal, 2017, 27(7): 110-114.

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