Thermal runaway analyses for two organic peroxides with H2O and dry fire-extinguishing chemicals by DSC and VSP2

doi:10.1007/s10973-013-3175-3

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標題:	Thermal runaway analyses for two organic peroxides with H2O and dry fire-extinguishing chemicals by DSC and VSP2
作者:	Li, Ang-Cian Tsai, Yun-Ting Wu, Sheng-Hung Chiu, Chen-Wei Shen, Sun-Ju Chang, Ron-Hsin Shu, Chi-Min
貢獻者:	應用空間資訊系
關鍵字:	Cumene Hydroperoxide (Chp) Differential Scanning Calorimetry (Dsc) Dry Fire-Extinguishing Chemicals Methyl Ethyl Ketone Peroxide (Mekpo) Thermal Runaway Vent Sizing Package 2 (Vsp2)
日期:	2013-09
上傳時間:	2014-05-26 10:50:13 (UTC+8)
出版者:	Springer
摘要:	In recent years, organic peroxides, including methyl ethyl ketone peroxide (MEKPO) and cumene hydroperoxide (CHP), have often caused thermal runaway reactions, fires, and thermal explosions worldwide. Under normal circumstances, H2O and dry fire-extinguishing chemicals are often employed to eliminate fire situations. We evaluated the thermal runaway reaction for MEKPO and CHP mixed with H2O and dry fire-extinguishing chemicals by differential scanning calorimetry, and thermal runaway reaction for CHP mixed with dry fire-extinguishing chemicals by vent sizing package 2. The results showed that ABC dry chemical, BC dry chemical, and XBC dry chemical all caused the decomposition of MEKPO to occur at lower onset temperature and H2O caused the Delta H (d) of MEKPO to become higher. On the other hand, H2O and XBC dry chemical induced the decomposition of CHP to occur at lower onset temperature as well as lower thermal explosion temperature. The maximum of self-heating rate ((dT/dt)(max)) and the maximum pressure-rise rate ((dP/dt)(max)) of CHP mixed with dry fire-extinguishing chemicals were measured lower than CHP alone. The results indicated that MEKPO and CHP are highly hazardous when mixed with H2O and some dry fire-extinguishing chemicals. In view of loss prevention, the results can be useful references for fire fighters dealing with thermal upsets in chemical plants.
關聯:	Journal of thermal Analysis And Calorimetry, v.113 n.3, pp.1611-1618
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