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US 2008/0302210 A1Published application
Steel desulphurating agent and use thereof in the desulphuration of steel
AssigneeLafarge
InventorsFRANCOIS SORRENTINO, Michel Gimenez
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Abstract
The invention relates to a steel desulphurating agent characterised in that it comprises compared with the total weight of the agent: at least 10% of SiO2, at least 10% of C2S, at least 35% of at least one calcium aluminate and optionally a calcium silico-aluminate.
Claims4
A steel desulphurating agent, characterised in that it comprises, compared with the total weight of the agent:
- at least 10% of SiO2,
- at least 10% of C2S,
- at least 35% of at least one calcium aluminate and optionally a calcium silico-aluminate, and
- lime (CaO).
1 more element
Dependencies are inferred from the claim text.