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The article describes features of ore reserves and development of processing technologies at Mikhailovsky MPP. New approaches to disintegration of ore and to improvement of dry magnetic separation of unoxidized ferruginous quartzite are evaluated. The scope of the discussion embraces the process of finishing magnetite concentrate, extracted from unoxidized ferruginous quartzite by wet magnetic separation,...
New principles are proposed for the quality control of iron-ore pellets by monitoring their reducing properties, softening temperature range, and strength on reduction (hot strength). For the example of pellets produced by AO Mikhailovskii GOK, this approach is shown to significantly improve the efficiency of blast-furnace smelting. The pellets’ reducing properties, softening temperature range, and...
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