Process for producing iron ore oxidized pellets from magnetite c

Details Process for producing iron ore oxidized pellets from magnetite c Process for producing iron ore oxidized pellets from magnetite c

1974-10-02

1976-09-14

Rosenberg, Peter D.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 41, C22B 124

Patent

active

039804658

ABSTRACT:
Iron-ore oxidized pellets are produced from magnetite concentrate by the addition to the magnetite concentrate of at least one calcium compound selected from the group consisting of slaked lime, quicklime and limestone, to a basicity of 1 to 5, granulating the mixture thus prepared, drying the same, preheating the same at a temperature of from 1000.degree. to 1150.degree.C for 3 to 10 minutes, and thereafter firing the same.

REFERENCES:
patent: 2931717 (1960-04-01), Lee
patent: 3189436 (1965-06-01), Bunstlein
patent: 3264091 (1966-08-01), Ban
patent: 3316081 (1967-04-01), Bratton

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