Reduction of metal oxides to sponge metal

Details Reduction of metal oxides to sponge metal Reduction of metal oxides to sponge metal

C - Chemistry, Metallurgy

21

B

53/24

C21B 13/14 (2006.01) C21B 13/04 (2006.01)

Patent

CA 1089649

ABSTRACT OF THE DISCLOSURE A process for the direct gaseous reduction of iron ore to sponge iron wherein the sponge iron is cooled with a carbon- containing cooling gas by a dual temperature procedure that increases transfer of carbon from the cooling gas to the sponge iron and thereby permits the production of a product having a com- bination of relatively low or moderate metallization and relative- ly high potential metallization. Increased productivity of the direct reduction plant and of the overall integrated steel plant are achieved.

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