Aluminium oxide prodn - by thermally dissociating clay, extracting aluminium and precipitating aluminium oxide

Aluminium oxide prodn - by thermally dissociating clay, extracting aluminium and precipitating aluminium oxide

Aluminium oxide is extracted from clays and aluminium hydrosilicates by (a) heating the clay material to decompose the network structure at the dehydration temp. of the hydroxyl structural water, (b) subjecting to aluminium extraction in chemically non-neutral surroundings and (c) precipitating alum...

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Bibliographische Detailangaben
1. Verfasser: FRANCO ROSSI,GIAN
Format: Patent
Sprache:eng ; ita
Schlagworte:
CHEMISTRY
COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM,CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THERARE-EARTH METALS
INORGANIC CHEMISTRY
METALLURGY
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Zusammenfassung:Aluminium oxide is extracted from clays and aluminium hydrosilicates by (a) heating the clay material to decompose the network structure at the dehydration temp. of the hydroxyl structural water, (b) subjecting to aluminium extraction in chemically non-neutral surroundings and (c) precipitating aluminium oxide from the formed alkali metal aluminate.