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  • 1 Central Taiwan University of Science and Technology Department of Safety, Health and Environmental Engineering 666, Buzih Road, Beitun District Taichung Taiwan 40601 ROC
  • 2 Chien-Kuo Technology University Department of General Education 1, Chieh-Shou N. Road Changhua Taiwan 50094 ROC
  • 3 National Kinmen Institute of Technology Department of Construction Engineering 1, University Road Jinning, Kinmen Taiwan 89250 ROC
  • 4 Kao-Yuan University Department of Information Management 1821, Jhongshan Road Lujhu, Kaohsiung Taiwan 82151 ROC
  • 5 Indian Institute of Technology Department of Chemical Engineering Kanpur 208016 UP India
  • 6 National Yunlin University of Science and Technology Department of Safety, Health and Environmental Engineering 123, University Road, Sec. 3, Douliou Yunlin Taiwan 64002 ROC
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Abstract  

Methyl ethyl ketone peroxide (MEKPO) is an unstable material above certain limits of temperature, decomposing into chain reactions by radicals. The influence of runaway reactions on this basic characteristic was assessed by evaluating kinetic parameters, such as activation energy (Ea), frequency factor (A), etc., by thermal activity monitor III (TAM III). This was done under three isothermal conditions of 70, 80, and 90 °C, with MEKPO 31 mass% combined with nitric acid (HNO3 6 N) and sodium nitrate (NaNO3 6 N). Nitric acid mixed with MEKPO gave the maximum heat of reaction (△Hd) and also induced serious reactions in the initial stage of exothermic process under the three isothermal temperatures. The time to maximum rate (TMR) also decreased when HNO3 was mixed with MEKPO. Thus, MEKPO combined with HNO3 6 N forms a very hazardous mixture. Results of this study will be provided to relevant plants for alerting their staff on adopting best practices in emergency response or accident control.

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