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Title of Journal: J Therm Anal Calorim

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Abbravation: Journal of Thermal Analysis and Calorimetry

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Springer Netherlands

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1572-8943

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Effects of stirring rate for thermal runaway react

Authors: HungCheng Chou ShengHung Wu ChungCheng Chiang JaoJia Horng JenHao Chi ChiMin Shu
Publish Date: 2011/04/12
Volume: 106, Issue: 1, Pages: 243-248
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Abstract

Oxygen O2 or air is widely applied globally to yield cumene hydroperoxide CHP in a cumene oxidation tower In previous studies CHP has been identified as a thermally hazardous chemical This study was used to evaluate thermal hazard of CHP in cumene using differential scanning calorimetry and vent sizing package 2 VSP2 Selfaccelerating decomposition temperature SADT selfheating rate exothermic onset temperature T 0 critical temperature T c time to maximum rate TMR activation energy E a etc were employed to prevent and protect thermal runaway reaction and explosion in the manufacturing process and/or storage area The reaction order n of CHP was evaluated to be 05 in this study The E a was determined to be 122 kJ mol−1 by VSP2 High volume of CHP with 0 rpm of stirring rate by VSP2 was more dangerous than a low one Control of stirring rate should be a concern in process safety management program In view of proactive loss prevention inherently safer handling procedures and storage situations should be maintained in the chemical industries

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