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《CIESC Journal》 2019-01
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ARC thermal inertia correction method based on C80 data merging

DING Jiong;CHEN Qi;XU Qiyue;YANG Suijun;YE Shuliang;Institute of Industry and Trade Measurement Technology, China Jiliang University;  
Due to the limit of the principle of accelerating rate calorimeter, thermal inertia factor correction is necessary for kinetics computation. However, the existing correction methods are contrary to the fact that the thermal inertia factor is shifty during the reaction process. Actually, the specific heat of the reactant and the efficiency of temperature tracking change with the reaction process. This leads to the kinetic computation errors. Inresponse to these deficiencies, a method is proposed that the dynamical thermal inertia factor correction based ondifferential scanning calorimeter(C80) and accelerating rate calorimeter(ARC) data merging. The details of themethod are as followed. Firstly, according to the Friedman method, the non-model kinetics parameters are obtainedwith the C80 data. Secondly, the product of the heat capacity and the equivalent thermal inertia factor is got throughusing the non-model kinetics parameters to solve the accelerating rate calorimeter data. Third, with the replacementof constant thermal inertia factor and the specific heat by the product, the kinetics results of ARC data arecalculated. To verify the validity of the proposed method, the experiments are performed by using di-tert-butylperoxide(DTBP) and cumene hydroperoxide(CHP). The results show that the proposed methods can avoid theinfluence of the dynamical thermal inertia factor in kinetic computation. It is worth popularizing in the thermal safety evaluation of chemical process.
【Fund】: 浙江省自然科学基金项目(LQ15F030003 LY17F010011);; 浙江省基础公益研究计划项目(LGF18B030001);; 浙江省仪器科学与技术重中之重学科人才培育计划项目(JL150501)
【CateGory Index】: O643.1
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