Agglomeration of iron ores and concentrates

Details Agglomeration of iron ores and concentrates Agglomeration of iron ores and concentrates

1983-06-20

1984-08-14

Lewis, Michael L.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 5, 427217, 4273767, C22B 114

Patent

active

044655100

ABSTRACT:
A process for improving the compressive strength of iron ore agglomerates, such as pellets or briquettes, used as a feed to an iron blast furnace, in which the particulate iron ore is treated, either before or after agglomeration with sufficient liquid or gaseous iron pentacarbonyl to provide about 2-5% carbonyl iron on the surfaces of the iron ore particles, following decomposition of the iron pentacarbonyl by heating, and induration of the pellets or briquettes.

REFERENCES:
patent: 3645717 (1972-02-01), Meyer et al.
patent: 3765869 (1973-10-01), Schierloh et al.
patent: 4257881 (1981-03-01), Kindig et al.
Merriman, A. D., A Dictionary of Metallurgy, McDonald & Evans, Ltd., London, p. 137, (1958).
Chemical Abstracts, vol. 43, p. 2876, No. 7892f, Oct. 25, 1949.

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