Abstract:The kinetics of reduction roasting of low-grade manganese dioxide ore used in this work has been established with four-tube reduction finance. XRD analysis of the as-mined ore samples affirmed the presence of manganese dioxide as the major manganese mineral in the ore. Samples with particles size ranges -5mm were treated using coal as the reductant. The effects of reduction temperature, time and mass ratio of coal to low-grade manganese dioxide ore on the rate of reduction were investigated. It was found that … Show more
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