Abstract:With the growing industrialization, there is a constant increase in the world demand for steel, causing an increase on extraction of low-grade iron ores, which bear high levels of impurities. A feasible alternative is the use of residues from steel rolling processes (steelmaking mill scale) generated in the steel industry, which are composed of iron oxides consisting mainly of wustite (FeO), hematite (Fe 2 O 3 ) and magnetite (Fe 3 O 4 ). In line with the recycling of wastes, the application of heating by micr… Show more
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