Title: Process for producing iron ore oxidized pellets from magnetite concentrate

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.

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Inventors: Nishida, Reijiro (Kobe, JA)
Takeda, Kunio (Kobe, JA)
Kaneko, Dentaro (Kobe, JA)
Uchida, Kunio (Akashi, JA)

Application Number: 511371
Filing Date: 1974-10-02
Publication_date: 1976-09-14
Assignee: Kobe Steel Ltd. (Kobe, JA)
Primary Class(es): 75/322 75/323, 75/768
Other Classes:
US Patent Ref:

2931717	Apr, 1960	Lee	75/3.
3189436	Jun, 1965	Bunstlein	75/3.
3264091	Aug, 1966	Ban	75/3.
3316081	Apr, 1967	Bratton	75/3.

Other Refs:
Primary Examiner: Rosenberg, Peter D.
Assistant Examiner:
Attorney: Oblon, Fisher, Spivak, McClelland & Maier