Process for upgrading iron ore pellets

Details Process for upgrading iron ore pellets Process for upgrading iron ore pellets

1976-08-06

1981-07-14

Lewis, Michael L.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 3, C22B 1214

Patent

active

042784620

ABSTRACT:
In a process for hardening oxidizable green iron ore pellets in a vertical shaft furnace, said process comprising passing the pellets through the furnace wherein said pellets are heated by contact with hot combustion gases and air, the furnace having a zone which is downstream of the introduction of the combustion gases, said zone having an average temperature in the range of about 1100.degree. F. to about 2200.degree. F.,

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