Method of reducing iron ore

Details Method of reducing iron ore Method of reducing iron ore

1974-08-09

1976-05-18

Andrews, M. J.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 5, C21B 1302

Patent

active

039574865

ABSTRACT:
Pelletized iron ore is introduced into a shaft furnace and reduced in a countercurrent stream of reducing gas at a hot zone temperature of 1375.degree.F to 1700.degree.F. The pellets have a low silica content and, prior to indurating, a high moisture content, providing a highly porous texture which results in improved reducibility.

REFERENCES:
patent: 2511400 (1950-06-01), de Jahn
patent: 3682621 (1972-08-01), Struve et al.
patent: 3759693 (1973-08-01), Kunii et al.
Ball et al., Agglomeration of Iron Ores, p. 256, Am. Elsevier Pub. Co., Apr. 4, 1974.

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