Method of making sponge iron

Details Method of making sponge iron Method of making sponge iron

1979-09-04

1981-04-14

Andrews, M. J.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

C21B 1302

Patent

active

042617340

ABSTRACT:
A method for the gaseous reduction of iron ore to sponge iron in a vertical moving bed reactor having a reduction zone in the upper portion thereof and a cooling zone in the lower portion thereof which comprises using a coolant gas containing up to about 30% by volume of hydrocarbon, e.g., coke oven gas, and passing a mixture of the hydrocarbon-containing gas and steam through the cooling zone to cause the sponge iron therein to catalyze the conversion of the hydrocarbon/steam mixture to carbon monoxide and hydrogen.

REFERENCES:
patent: 3827879 (1974-08-01), Celada et al.
patent: 4046557 (1977-09-01), Beggs
patent: 4150972 (1979-04-01), Price-Falcon
patent: 4160663 (1979-07-01), Hsieh

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