what is hall heroult process
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The Hall–Héroult process is the major industrial process for smelting aluminium. It involves dissolving aluminium oxide (alumina) (obtained most often from bauxite, aluminium's chief ore, through the Bayer process) in molten cryolite, and electrolysing the molten salt bath, typically in a purpose-built cell.
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2Al2O3 + 3C → 4Al + 3CO2 Hall Heroult process is the major industrial process for extraction of
Aluminium
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