Rare card
Hall–Héroult process
- Value
- 50 W
- Attack
- 274
- Defence
- 219
- Players
- 0
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 electrolyzing the molten salt bath, typically in a…
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