PROCESS FOR THE PURIFICATION OF IRON OXIDES

1,242,043. Purification of Iron oxides. Y-P.P. MAYOR, and P. F. TORD. 3 Jan., 1969 [3 Jan.,1968], No.573/69. Addition to 1,203,967. Heading C1A. Iron oxides obtained by the roasting of ores, in particular the roasting of sulphide ores in air are purified by contacting the ashes resulting from roasti...

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Bibliographische Detailangaben

Hauptverfasser:	PIERRE FRANCOIS TORD, YOLAND PIERRE PAUL MAYOR
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F FERROUS OR NON-FERROUS ALLOYS INORGANIC CHEMISTRY METALLURGY PRETREATMENT OF RAW MATERIALS PRODUCTION AND REFINING OF METALS TREATMENT OF ALLOYS OR NON-FERROUS METALS
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