Coated iron ore pellets and a process of making and reducing the same to form reduced iron pellets
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United States of America
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Feb 4, 2020
Grant Date -
Jul 12, 2018
app pub date -
Jun 20, 2016
filing date -
Jun 20, 2016
priority date (Note) -
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Abstract
Iron ore pellets including a core comprising iron ore, a first coating comprising lime, and a second coating comprising cement, wherein the first coating is disposed between a surface of the core and the second coating. A process for manufacturing the iron ore pellets whereby the first coating is applied to the core to form a coated core, the surface area coverage of the first coating is measured, the second coating is applied to the coated core, and the surface area coverage of the second coating is measure. A process for manufacturing reduced iron pellets is also provided whereby the iron ore pellets are reduced with a reducing gas at temperatures up to 1100° C.
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