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The invention relates to a method for thermally processing α-spodumene, i.e. lithium aluminum silicate, by which treatment it is transformed into -spodumene, which is more advantageous for further processing; in the method, concentrate or ore with a grain size of 20-1,000 μm is processed in a fluidi...

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Bibliographische Detailangaben
1. Verfasser:	METSAERINTA, MAIJA-LEENA
Format:	Patent
Sprache:	fin ; swe
Schlagworte:	AIR BLASTING CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY COMBUSTION APPARATUS COMBUSTION PROCESSES COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM,RUBIDIUM, CAESIUM, OR FRANCIUM FERROUS OR NON-FERROUS ALLOYS HEATING INORGANIC CHEMISTRY LIGHTING MECHANICAL ENGINEERING METALLURGY METHODSOR APPARATUS FOR COMBUSTION USING FLUID FUELOR SOLID FUEL SUSPENDED IN PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL PRETREATMENT OF RAW MATERIALS PRODUCTION AND REFINING OF METALS THEIR RELEVANT APPARATUS TRANSPORTING TREATMENT OF ALLOYS OR NON-FERROUS METALS WEAPONS
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Beschreibung
Zusammenfassung:	The invention relates to a method for thermally processing α-spodumene, i.e. lithium aluminum silicate, by which treatment it is transformed into -spodumene, which is more advantageous for further processing; in the method, concentrate or ore with a grain size of 20-1,000 μm is processed in a fluidized bed reactor, at a temperature of 800-1,000° C., by using an oxygenous gas as the fluidizing gas.