Specialized metallurgical processes – compositions for use therei – Processes – Electrothermic processes
Patent
1981-12-02
1984-01-31
Andrews, M. J.
Specialized metallurgical processes, compositions for use therei
Processes
Electrothermic processes
75 35, C21B 1302
Patent
active
044287720
ABSTRACT:
A method is disclosed for achieving improved reduction efficiency and economy in the reduction of particulate metal ores, e.g. iron ore, in a vertical shaft, moving bed reactor having a reduction zone in which a heated reducing gas is caused to flow through a portion of the ore bed to reduce the metal ore thereof to metal; e.g. sponge iron. The improved efficiency and economy is achieved through an integrated reduction system in which a conventional reformer is used without the need to upgrade the reformed gas prior to feeding it directly to the reduction reactor as a reducing gas.
REFERENCES:
patent: 3905806 (1975-09-01), Cruse, Jr. et al.
patent: 4040816 (1977-08-01), Altenhoner et al.
De-Gyves Alejandro
Dominguez-Ahedo Carlos
Lopez-Ramos Hector
Villarreal-Trevino Juan A.
Andrews M. J.
Hylsa, S.A.
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