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Several steelmaking companies are currently introducing processes developed by Thyssen for treatment of pig iron and steel. They include processes for desulphurisation of pig iron such as the Thyssen SKW process, the TN process of Thyssen-Niederrhein AG for injection of solids into steel melts and the RH process of the Thyssen Henrichshütte for treatment of steel melts under vacuum.
Svenskt Stài AB is commissioning an injection plant...