Desulfurization composition for molten pig iron

Details Desulfurization composition for molten pig iron Desulfurization composition for molten pig iron

1979-08-15

1980-12-02

Rosenberg, P. D.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 53, C21C 702

Patent

active

042369142

ABSTRACT:
A desulfurizing composition which is fed together with nitrogen into a molten pig iron in a desulfurization. The desulfurizing composition comprises 0.3 to 10 wt.% of a carbon source for preventing secondary coagulation and 1 to 10 wt.% of a magnesium compound for inhibiting of calcium cyanamide and the main component of calcium carbide for the desulfurization.

REFERENCES:
patent: 3622302 (1971-11-01), Hayashi
patent: 3656989 (1972-04-01), Loyland
patent: 3769004 (1973-10-01), Barnhardt
patent: 4169724 (1979-10-01), Freissmuth
Trentini, Journal of the Iron and Steel Institute, vol. 183, pp. 124-133, (Jun. 1956).

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