Method for treating slags or slag mixtures on an iron bath
AssigneeHolcim Ltd.
InventorAlfred Edlinger
Life of this patent
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Abstract
In a method for treating slags or slag mixtures having iron oxide contents of >5 wt. -%, in particular steelworks slags, in which the steel slags optionally mixed with other slags are charged onto a metal bath, a steel bath having a carbon content of <1.5 wt. -%, preferably <0.5 wt. -%, is used as the metal bath and the steel bath, after the charging of the steel slags, is carburized to above 2.0 wt. -% C, preferably >2.5 wt. -% C, by introducing carbon or carbon carriers.
Claims9
A method for treating slags or slag mixtures having iron oxide contents of >5 wt. -%, in particular steelworks slags, in which the steel slags optionally mixed with other slags are charged onto a metal bath, characterized in that a steel bath having a carbon content of <1.5 wt. -%, preferably <0.5 wt. -%, is used as said metal bath and that the steel bath, after the charging of the steel slags, is carburized to above 2.0 wt. -% C, preferably >2.5 wt. -% C, by introducing carbon or carbon carriers.
Dependencies are inferred from the claim text.