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Kinetics of dense magnetite formation during oxidation of wüstite and reduction of hematite in CO/CO2 gas mixtures

Rüdiger Dieckmann, H. Schmalzried, Thomas O. Mason

Abstract

Thermogravimetric study of the wüstite oxidation. Influence of the cation diffusion in magnetite and of the oxygen transfer at the phase boundary magnetite/gas on the wüstite oxidation and on the hematite reduction. Linear and parabolic growth of dense magnetite.

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Key concepts: Wüstite, Magnetite, Hematite, Pyrometallurgy, Thermogravimetric analysis, Kinetics, Materials science, Diffusion