Aging (weathering) inhibition method of iron ore pellets during stockpiling
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United States of America Patent
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Apr 25, 2017
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Dec 16, 2014
filing date -
Sep 5, 2011
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Abstract
The present invention refers to an effective method for minimizing the problems of iron ore pellet degradation by weathering during their stockpiling, i.e., by providing an appropriate method for improving the state of the art with regard to iron ore pellet resistance related just to the hydration process of the slag phase. Thus, in order to minimize hydration in the slag phase, stabilizers are introduced into the mixture used to produce iron ore pellets prior to being heat-treated.
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