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Citation: QIAN Xin-Ming, LIU Li, FENG Chang-Gen. Calculating Apparent Activation Energy of Adiabatic Decomposition Process Using Pressure Data[J]. Acta Physico-Chimica Sinica, ;2005, 21(02): 134-138. doi: 10.3866/PKU.WHXB20050205 shu

Calculating Apparent Activation Energy of Adiabatic Decomposition Process Using Pressure Data

1.
State Key Laboratory for Prevention and Control of Explosion Disasters, Beijing Institute of Technology, Beijing　100081

Received Date: 28 June 2004
Available Online: 15 February 2005

Considering the limitation of now available adiabatic kinetic analysis, a method to calculate activation energy by dealing with pressure data obtained from the adiabatic measurement is proposed. New kinetic equation is established and the apparent activation energies for the thermal decomposition of di-tert-butyl peroxide and 2-methyl-4-nitrobenzenesulfonic acid are calculated. The obtained apparent activation energies are compared with the values in the literature and the values obtained from other methods, and the difference between them and the underlying reasons are discussed.
- Activation energy;Adiabatic decomposition;Pressure;Accelerating Rate Calorimeter
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