The reaction kinetics of the heterogeneous oxidation of toluene with Mna + was studied by considering the effects of disproportionation of Mns+ in reaction system, a "parallel" modulus was set up. And then the concentration of Mn3 + in disproportionation and the concentration of benzaldehyde in oxidation were respectively determined in turn, the rate constant, order and pseudo-activation energy of the heterogeneous oxidation were obtained by mathematical deduction and the kinetic equation was concluded. In addition, the reaction mechanism was analyzed. It shows that the results are completely consistent with modulus.
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