Aluminium is extracted from bauxite ore through an energy intensive process involving purification of alumina from the ore through the Bayer process, followed by electrolysis to extract aluminium metal from alumina. Key steps include purifying alumina through the Bayer process, dissolving alumina in molten cryolite, and passing an electric current through the solution to separate aluminum metal from oxygen.
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Aluminium Extraction Overview
Aluminium is extracted from bauxite ore through an energy intensive process involving purification of alumina from the ore through the Bayer process, followed by electrolysis to extract aluminium metal from alumina. Key steps include purifying alumina through the Bayer process, dissolving alumina in molten cryolite, and passing an electric current through the solution to separate aluminum metal from oxygen.