期刊
PROCESS SAFETY PROGRESS
卷 35, 期 2, 页码 200-207出版社
WILEY
DOI: 10.1002/prs.11754
关键词
instability rating; Vent Sizing Package 2; accelerating rate calorimeter; organic peroxides; thermal hazard; fuzzy; analytic hierarchy process
资金
- National Natural Science Foundation of China [21436006]
- Jiangsu Graduate Scientific Innovation Projects [KYZZ_0229]
- Jiangsu Natural Science Foundation of China [BK20141457]
- Priority Academic Program Development of Jangsu Higher Education Institutions of China
This article proposes a new method of instability classification of organic peroxides (ICOP) for assessing the risk of decomposition reaction of organic peroxides, based on the adiabatic calorimetric approaches and fuzzy analytic hierarchy process (FAHP). Tonset is set as instability possibility index. Maximal power density, adiabatic temperature rise, maximum pressure rate, and maximum pressure are set as instability severity index (ISI) with proper weightings by FAHP. Instability possibility index and ISI are converted into ICOP based on risk matrix. The organic peroxides instability can, therefore, be quantified and divided into four levels, acceptable, moderate risk, highly dangerous, and seriously dangerous. Thermal decomposition of di-tert-butyl peroxide 25 mass % and tert-butyl hydroperoxide 68.4 mass % are tested with Vent Sizing Package 2 and Phi-Tech 1 which has the function of Accelerating Rate Calorimeter, respectively. Thermal decompositions of other organic peroxides are presented from citation. The instability rating results of these organic peroxides are presented to illustrate the validity of the method. (C) 2015 American Institute of Chemical Engineers
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