Building of a Mathematical Model for the Reduction of Iron Ore in Ore/Coal Composites.
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A non-isothermal and non-isobaric mathematical model which consists of 19 independent equations, was developed for the study of the kinetics of reduction iron ore in an ore/coal composite, based on experimental condition with furnace temperature of 1200ºC and ore/coal ratio of 80/20. This model has been applied to the other three sets of independent experiments different in furnace temperatures (1300ºC) and ore/coal ratios (82/18 and 85/15) for its validation. General agreement between the computed and measured temperatures, the degree of reduction and the degree of carbon gasification as functions of reaction time and location illustrates that this mathematical model is capable of representing data observed in this system.
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