Process for desulphurizing hot metal

Details Process for desulphurizing hot metal Process for desulphurizing hot metal

1985-06-12

1986-05-06

Rosenberg, Peter D.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 58, C21C 702

Patent

active

045869553

ABSTRACT:
The invention relates to a process for desulphurizing hot metal in a ladle, in particular in a torpedo ladle, wherein first aluminum and then, by means of a carrier gas, lime (CaO) are blown into the hot metal. The characterizing feature of the invention is that at a rate of 2-20 liters (S.T.P.) of carrier gas/kg of desulphurizing agent, a solid which evolves a gas in the hot metal is blown in together with the lime.

REFERENCES:
patent: 3998625 (1976-12-01), Koros
patent: 4126453 (1978-11-01), Heck
patent: 4137072 (1979-01-01), Kawakami
patent: 4462823 (1984-07-01), Fontaine

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