CHLORINATION OF METALLURGICAL COMPOSITES

CHLORINATION OF METALLURGICAL COMPOSITES

Metal values are recovered as chlorides from minerals containing titanium, zirconium and/or magnesium, for example ilmenite, rutile, zircon and magnesite, by forming a composite mixture of a said mineral and a moist plastic mass produced by subjecting brown coal to predominantly shearing forces; com...

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Bibliographische Detailangaben
Hauptverfasser: KEITH BOWDLER, PHILIP HANNAKER, KENNETH CRICHTON HAMILTON, ALAN STUART BUCHANAN
Format: Patent
Sprache:eng
Schlagworte:
CHEMISTRY
COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F
COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM,CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THERARE-EARTH METALS
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:Metal values are recovered as chlorides from minerals containing titanium, zirconium and/or magnesium, for example ilmenite, rutile, zircon and magnesite, by forming a composite mixture of a said mineral and a moist plastic mass produced by subjecting brown coal to predominantly shearing forces; compacting the composite mixture to produce a compacted mass, drying the compacted mass, and heating the dried compacted mass to produce a carbonised mass; and heating the carbonised mass in the presence of chlorine to produce chlorides of titanium, zirconium and/or magnesium. The mineral may be mixed with the brown coal before, during or after the shearing treatment.