Direct reduction of iron

Details Direct reduction of iron Direct reduction of iron

1983-05-09

1984-03-27

Andrews, M. J.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 91, C21B 1302

Patent

active

044392338

ABSTRACT:
A method of making high quality reducing gas for the direct reduction of iron wherein natural gas and steam are passed through a steam reformer to form a high temperature reducing gas, followed by mixing the high temperature reducing gas with spent top gas from a direct reduction shaft furnace, then passing the mixture through a stoichiometric reformer to form a high quality reducing gas for introduction to the shaft furnace.

REFERENCES:
patent: 3764123 (1973-10-01), Beggs et al.
patent: 4348226 (1982-09-01), Aoki et al.
patent: 4370162 (1983-01-01), Dominguez-Ahedo et al.

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