Reduction Behaviors of Hematite to Metallic Iron …
121
and the rate-determining step is found to be the reaction at phase boundaries. The
apparent activation energies, E, of Fe 2 O 3 → Fe 3 O 4 and Fe 3 O 4 → Fe are calculated
to be 17.39 kJ/mol and 11.58 kJ/mol, respectively.
Acknowledgements The authors wish to acknowledge the Fundamental Research Funds for the
Central Universities (No: 2018CDYJSY0055) and the National Natural Science Foundation of
China (No. 51874056).
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