CALCINATION PROCESS FOR THE PRODUCTION OF ALUMINA FROM ALUMINA TRIHYDRATE AND APPARATUS THEREFOR

A process for producing alumina is described in which the efficiency of calcination is greatly improved by utilizing a total heat exchange system in which alumina hydrate is heated stepwise in a plurality of heat exchange stages to sequentially higher temperatures approaching calcining temperatures...

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Bibliographische Detailangaben
1. Verfasser:	DENNISON GEORGE FULFORD
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM,CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THERARE-EARTH METALS FURNACES FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL HEATING INORGANIC CHEMISTRY KILNS LIGHTING MECHANICAL ENGINEERING METALLURGY OPEN SINTERING OR LIKE APPARATUS OVENS PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL RETORTS THEIR RELEVANT APPARATUS TRANSPORTING WEAPONS
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