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

1974-04-05

1976-04-27

Andrews, M. J.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 11, 75 80, C21B 1314

Patent

active

039531961

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.degree.-2400.degree.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 controlled atmosphere, the pellets melt and a mass of molten metal and slag is formed and then discharged from the melting zone.

REFERENCES:
patent: 3301661 (1967-01-01), McGlynn et al.
patent: 3313618 (1967-04-01), Feinman et al.
patent: 3503736 (1970-03-01), Sherwood
patent: 3634064 (1972-01-01), Vedensky
patent: 3652069 (1972-03-01), Worner
patent: 3746533 (1973-07-01), Moussoulos

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