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http://dx.doi.org/10.7844/kirr.2012.21.3.021

Recycling of Ferro-manganese Furnace Dust Collected from Converter  

Kim, Youn-Che (Department of Materials and Metallurgical Engineering, Kangwon National University Samcheok Campus)
Song, Young-Jun (Department of Materials and Metallurgical Engineering, Kangwon National University Samcheok Campus)
Park, Young-Koo (Department of of Environmental Engineering, Kangwon National University Samcheok Campus)
Publication Information
Resources Recycling / v.21, no.3, 2012 , pp. 21-27 More about this Journal
Abstract
In order to make high-purity ferro-manganese from $Mn_3O_4$ dust, the application of aluminothermy process to the reduction of $Mn_3O_4$ dust was investigated in previous work. The result showed the fact that can be obtained high purity ferro-manganese which have over about 93% of manganese content and lower impurities such as C, P, S than those of KS D3712 specification. The addition of silicon powder instead of aluminum powder was investigated as reductant in the thermite reaction process of $Mn_3O_4$ dust in this work because its production cost is lower than that of aluminum powder. In case of addition of silicon powder only as reductant, the experimental result showed the unstable ignition and no thermite reaction of mixture, but in case of simultaneous addition of silicon and aluminum powders as reductant, showed the fact that can be obtained high purity ferro-manganese which have much low content of impurities such as C, P, S component.
Keywords
$Mn_3O_4$ dust; Ferro-manganese; Aluminothermy process; Mn recycling;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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