Desulfurization agent for ferrous melts and method of using the same

US4194902A · kind A · utility

Assignee

• SKW Trostberg Aktiengesellschaft · DE

Inventor

• Werner Gmohling · Hufschlag, DE

Key dates

• Filing date: Sep 12, 1978
• Grant date: Mar 25, 1980
• Expiry date: Sep 12, 1998

Classification

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

Abstract

Improved desulfurization of ferrous melts is obtained by injecting into the melt in finely divided form a mixture by weight 48% to 95% calcium carbide, 2% to 40% of carbon-containing calcium carbonate and from about 1% to 12% of high volatile, bituminous coal dust.