Desulfurizing reagent for hot metal

Details Desulfurizing reagent for hot metal Desulfurizing reagent for hot metal

1987-01-02

1988-04-19

Rosenberg, Peter D.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 53, C21C 702

Patent

active

047387157

ABSTRACT:
The invention provides an injectable powdered reagent for the desulfurization of hot metal, such as iron external to the blast furnace. The reagent includes a slag-forming component comprising burnt lime, metallurgical fluorspar, and petroleum coke. Magnesium powder is combined with the slag-forming component to form a powdered reagent which is injected into the hot metal.

REFERENCES:
patent: 3929464 (1975-12-01), Todd
patent: 3998625 (1976-12-01), Koros
patent: 4401465 (1983-08-01), Neelameggham
patent: 4431444 (1984-02-01), Hammer

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