Sponge iron production process

Details Sponge iron production process Sponge iron production process

C - Chemistry, Metallurgy

21

B

53/24

C21B 13/00 (2006.01)

Patent

CA 1074124

SPONGE IRON PRODUCTION PROCESS ABSTRACT OF THE DISCLOSURE This invention relates to sponge iron production. Iron oxide is reduced by reducer gas containing, for example, hydrogen and carbon monoxide, in a reaction zone to give the sponge iron product and a gaseous product. The latter is treated to reduce the quantity of oxidising gases, e.g. water vapour and carbon dioxide, therein and the thus treated gaseous product is recycled to the reaction zone. In this way the gases passing through the reaction zone can have a lower content of water vapour and carbon dioxide than the initial reducer gas promoting the production of sponge iron.

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