Method for reducing metal ore

Details Method for reducing metal ore Method for reducing metal ore

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.

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