Chia Nan University of Pharmacy & Science Institutional Repository:Item 310902800/21701
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    標題: Runaway Reaction on tert-Butyl Peroxybenzoate by DSC Tests
    作者: Shyh-Yueh Cheng
    Jo-Ming Tseng
    Sheng-Yi Lin
    Jai P. Gupta
    Chi-Min Shu
    貢獻者: 職業安全衛生系
    關鍵字: tert–butyl peroxybenzoate (TBPB)
    runaway reactions
    differential scanning calorimetry (DSC)
    kinetic parameters
    curve–fitting method
    日期: 2008-07
    上傳時間: 2009-10-07 16:53:32 (UTC+8)
    摘要: Tert–butyl peroxybenzoate (TBPB) is one of the sensitive and hazardous chemicals which have been popularly employed in petrifaction industries in the past. This study attempted to elucidate its unsafe characteristics and thermally sensitive structure so as to help prevent runaway reactions, fires or explosions in the process environment. We employed differential scanning calorimetry (DSC) to assess the kinetic parameters (such as exothermic onset temperature (T0), heat of reaction (ΔH), frequency factor (A)), and the other safety parameters using four different scanning rates (1, 2, 4, and 10℃ min–1) combined with curve–fitting method. The results indicated that TBPB becomes very dangerous during decomposition reactions; the onset temperature and reaction heat were about 100℃ and 1,300 J g–1, respectively. Through this study, TBPB accidents could be reduced to an accepted level with safety parameters under control. According to the findings in the study and the concept of inherent safety, TBPB runaway reactions could be thoroughly prevented in the relevant plants.
    關聯: Journal of Thermal Analysis and Calorimetry 93(1):p.121-126
    显示于类别:[職業安全衛生系(含防災所)] 期刊論文


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