Method, process and composition for desulfurizing pig-iron melts

US4592777A · kind A · utility

Assignees

• Thyssen Stahl AG · DE
• SKW Trostberg Aktiengesellschaft · DE

Inventors

• Heinrich Rellermeyer
• Walter Meichsner · Krefeld, DE
• Werner Gmohling · Hufschlag, DE

Key dates

• Filing date: Dec 13, 1984
• Grant date: Jun 3, 1986
• Expiry date: Dec 13, 2004

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C21C1/025
• WIPO field: Materials, metallurgy
• WIPO sector: Chemistry

Abstract

A method and composition for desulfurization of hot metal is disclosed. To the hot metal there is added a composition comprising calcium carbide, a hydrogen releasing compound and magnesium.