Alumina is the essential feedstock for producing aluminium metal

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Alumina
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Kokel, Nicolas
2/24/2026 8:32 AM



Molecular representation of alumina (top & middle left) - Corundum Gemstones (top right) - Alumina powder (middle right) - Alumina Spheres 3 to 6 mm | Various sources

Alumina (Al₂O₃) is the most important oxide of aluminium and one of the most widely used industrial minerals globally. It occurs naturally as corundum and it is produced industrially using bauxite ore as the starting material via the Bayer process. It is the principal intermediate in the production of aluminium metal

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#alumina  #aluminiumoxide  #bauxite  #corundum  #aluminium