Method for the use of electric steel plant slag for self-reducing agglomerates
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United States of America Patent
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May 21, 2002
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app pub date -
Mar 20, 2001
filing date -
Mar 20, 2001
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Abstract
The present invention refers to a method for using electric steel plant slag, ground and/or in particles of less than 6 mm, in self-reducing agglomerates, in the form of pellets or briquettes, as a fluxing material and as a secondary source of iron, in sufficient amounts to adjust the binary basicity of the final slag (ratio of CaO/SiO.sub.2) of the reduction/melting process to values equal or greater than 1.1. This application enables a reject that is difficult to discard to be transformed into a secondary source of iron and a final slag having adequate characteristics to be used in the concrete and asphalt paving industries.
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