Abstract
Reduction of manganese (III) oxide to manganese (II) oxide using methane was studied in the present work. A thermogravimetric method was used to obtain the kinetic parameters of the reaction in the temperature range of 580 to 675 °C and under atmospheric pressure. The grain model was applied to analyse the experimental data.The reduction reaction of manganese oxide (Mn2O3) with methane was carried out in two steps. Mn3O4 and MnO were produced as solid phases in the first and second steps, respectively. The kinetic parameters of the overall reaction were obtained for the condition when reaction kinetics controls the overall rate of reaction.
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