Desulfurizing iron

Details Desulfurizing iron Desulfurizing iron

C - Chemistry, Metallurgy

21

C

53/105

C21C 7/064 (2006.01) C21C 1/02 (2006.01)

Patent

CA 1295485

Abstract of the Disclosure The efficiency of the use of desulfurizing agents, particularly calcium carbide- and calcium oxide-based desulfurizing agents, to decrease the sulfur content of molten iron is improved by adding a pulse of magnesium, aluminum or calcium metal at a critical concentration of sulfur and oxygen in the molten metal. The improved efficiency enables less desulfurization agent to be employed for the same residual sulfur concentration, with consequently decreased reaction time and costs.

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