Calcination process

There is provided herein a process for producing metal oxide in a flash calciner, the process comprising:a. pre-heating a metal carbonate particulate stream, prior to the particulate stream being fed into the flash calciner; and,b. calcining the particulate stream in a flash calciner to produce a ra...

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Bibliographische Detailangaben
Hauptverfasser:	Barrie Jenkins, Christine Bertrand
Format:	Patent
Sprache:	eng
Schlagworte:	ARTIFICIAL STONE CEMENTS CERAMICS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM,RUBIDIUM, CAESIUM, OR FRANCIUM COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM,CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THERARE-EARTH METALS CONCRETE INORGANIC CHEMISTRY LIME, MAGNESIA METALLURGY REFRACTORIES SLAG TREATMENT OF NATURAL STONE
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Beschreibung
Zusammenfassung:	There is provided herein a process for producing metal oxide in a flash calciner, the process comprising:a. pre-heating a metal carbonate particulate stream, prior to the particulate stream being fed into the flash calciner; and,b. calcining the particulate stream in a flash calciner to produce a raw stream comprising metal oxide and a flue gas comprising CO2,wherein at least a portion of the flue gas comprising CO2 produced in step (b) is used to pre-heat the metal carbonate particulate in step (a).