Obtaining ferro-chrome-nickel from raw materials from the Moa region, Cuba
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Abstract
In this work, the characteristics of the materials that contain the main metals for obtaining FeCrNi, from minerals of the Moa region are analyzed: lateritic rubble, tailings from the production of Nickel in Moa and chromites from the old mines of Cayo Guam. For the first time, the residue from the treatment of carbonated silt is used as a flux and a mixture of bituminous coal and anthracite as reductants. The results demonstrate the technical possibilities of using the existing mineral resources in the Moa-Baracoa region, as main raw materials for the production of ferroalloys and other iron-based semi-products, which are very useful for the Cuban steel industry. Most of the materials used are residual from the refractory chromite and nickel processing industries in Moa, which will allow the application of the circular economy to disused natural resources. The operating parameters of the technology used to obtain FeCrNi (Fusion-reducer) are presented, with average contents of Ni 1.5 % and Cr of 8.7 %, using different metallurgical mixtures based on the Marc Lean Anderson design.
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