Heterogeneous catalytic ignition of n-butane/air mixtures on platinum

Octavian Staicu1,2, Domnina Razus1, V. Munteanu2, Dumitru Oancea2
1Romanian Academy
2University of Bucharest

Tóm tắt

Abstract

The heterogeneous catalytic ignition of lean to stoichiometric n-butane/air mixtures were studied at various total pressures between 10 and 100 kPa and at temperatures equal to or larger than the critical ignition temperatures. The induction periods, ignition and extinction temperatures were measured under strict isothermal conditions. The discussion presented in this paper is based on several literature models. The data analysis allowed for the determination of the overall kinetic parameters. The rigorous isothermal conditions indicated that the extinction temperatures are lower than the ignition, a behavior different from the results obtained in stagnation-point flow reactors.

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