首页|Calorimetric evaluation of thermal stability and runaway hazard based on thermokinetic parameters of O,O-dimethyl phosphoramidothioate
Calorimetric evaluation of thermal stability and runaway hazard based on thermokinetic parameters of O,O-dimethyl phosphoramidothioate
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NSTL
Elsevier
Accidents related to pesticides have occurred with increasing frequency in recent years. One such accident, involving O,O-dimethyl phosphoramidothioate (DMPAT), which is an essential pesticide intermediate in the manufacture of organophosphorus pesticides, occurred in Taichung, Taiwan, in 2016. The results of thermogravimetric analyzer, differential scanning calorimetry, and vent sizing package 2 experiments revealed that the atmosphere, heating rate, and stirring conditions of DMPAT affect its thermal stability. Multiple thermokinetic methods were adopted to determine the values of thermal safety parameters. Through multiple linear regression, a reaction model of DMPAT was developed. The time to conversion limit and self-accelerating decomposition temperature were determined. The results of this study provide a reference for ensureing the thermal safety of DMPAT processing, use, storage, and transport and preventing thermal decomposition accidents.
Pesticide intermediateThermogravimetric analyzerDifferential scanning calorimetryVent sizing package 2Self-accelerating decomposition temperature
Hai-Lin Zhou、Jun-Cheng Jiang、An-Chi Huang、Yan Tang、Yang Zhang、Chung-Fu Huang、Shang-Hao Liu、Chi-Min Shu
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School of Material Science and Engineering, Changzhou University
School of Environmental and Safety Engineering, Changzhou University
School of Materials Engineering, Changshu Institute of Technology
School of Environmental and Chemical Engineering, Zhaoqing University
Department of Ammunition Engineering and Explosion Technology, Anhui University of Science and Technology
Department of Safety, Health, and Environmental Engineering, National Yunlin University of Science and Technology
NSTL
Elsevier
