Fremgangsmåte for fremstilling av syntetisk rutil fra en titanholdig slagg

Synthetic rutile is prepared from titaniferous slags containing alkaline-earth metal impurities, such as magnesium oxide, by a method comprising contacting the slag with chlorine at a temperature of at least about 800 DEG C., and then leaching the chlorine-treated slag with hydrochloric acid at a te...

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Bibliographische Detailangaben
1. Verfasser:	GUEGUIN, MICHEL
Format:	Patent
Sprache:	nor
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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Beschreibung
Zusammenfassung:	Synthetic rutile is prepared from titaniferous slags containing alkaline-earth metal impurities, such as magnesium oxide, by a method comprising contacting the slag with chlorine at a temperature of at least about 800 DEG C., and then leaching the chlorine-treated slag with hydrochloric acid at a temperature of at least about 150 DEG C.