Taking the carbon monoxide oxidation reaction on platinum catalyst as case study

based on the L-H mechanism and the E-R mechanism

five kinetic models were constructed toward this catalytic reaction system. The five models were discriminated with the help of chemical reaction network theory and steady state multiplicity of the reaction system. The models based on the L-H mechanism instead of the E-R mechanism

could present multiple steady state of the reaction system. In conclusion

the L-H mechanism was closer to the practical situation of the carbon monoxide oxidation on platinum catalyst

which coincided with the conclusion of related literatures. So it was feasible to discriminate kinetic models by means of the characteristics of multiple steady state of reaction system.