Yuriev, B. P.
Dudko, V. A.
Article History
Received: 10 March 2022
Revised: 6 May 2022
Accepted: 20 May 2022
First Online: 4 April 2023
CONCLUSIONS
: In this study, the processes of oxidation and decomposition of carbonates were studied during the firing of fluxed magnetite granules. A kinetic equation is proposed to describe the process of granule oxidation. The model of mass transfer for the period of decomposition of carbonates in granules has been refined, and a method for calculating the diffusion coefficient of oxygen has been developed. The mass transfer coefficients, which characterize the rate of the processes of oxidation and decarbonization in the layer of granules during the firing period are determined and which allow determining the degree of completion of these processes in different periods of heat treatment.