Process for the direct reduction of metal oxides

Details Process for the direct reduction of metal oxides Process for the direct reduction of metal oxides

C - Chemistry, Metallurgy

21

B

53/38

C21B 13/02 (2006.01) C21B 13/00 (2006.01)

Patent

CA 1049266

Abstract Metal oxides are directly reduced by charging metal oxide-carbonaceous agglomerates to a shaft furnace, passing said pellets downwardly countercurrent to a flow of hot gases in a reduction zone, wherein the agglomerates are heated to 2000-2400°F. and reduction effected while the agglomerates maintain their integrity, and then transferring the reduced pellets to a melting zone. In the melting zone, having a con- trolled atmosphere, the pellets melt and a mass of molten metal and slag is formed and then discharged from the melting zone.

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