Using a slag conditioner to beneficiate bag house dust from a steel making furnace
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United States of America Patent
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Issued Date -
Nov 22, 2007
app pub date -
May 19, 2006
filing date -
May 19, 2006
priority date (Note) -
Abandoned
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Abstract
A slag conditioner containing MgO, up to 50% slag-making carbon, 10 to 60% particulates of bag house dust and dropout box particles and 2% to 25% binder is mixed and formed under pressure to produce aggregates which can have the form of a briquette. The MgO content of the mixture comprising: 20% to 90% burned aggregates comprised of particles less than 8 mm of which at least 30% is 0.2 mm or greater and containing between 35% and 94% MgO; and up to 50% light burned magnesite.
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