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1 Polish Journal of Chemical Technology

1 2002

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Verification of assumption about mechanism of reaction of nitric oxide with oxygen

Wilk M., Głowiński J., Słonka T., Rój E.

Polish Journal of Chemical Technology

2002

Vol. 4, nr 1

32-37

Some variations of nitric oxide oxidation have been analysed. Some available data of kinetic investigation results as well as quantitative criteria of the accepted assumptions were used. In order to reconcile the experimental kinetic equation and complex temperature relationship of the constant of the equation, some hypotheses of the concurrent reactions were verified using two independent ways. It has been proved that a multistage mechanism predominates at lower temperatures. Hypothetical constant reaction rates at quasi equilibrium state have been estimated using the discussed mechanism. Another mechanism of complex reaction or elementary reaction predominates at higher temperatures. Moreover, taking the assumption of the multistage mechanism and the stationary state approach in acceptable limits is the same as the acceptance of the elementary character of nitric oxide oxidation reaction at higher temperatures.