Hall–Héroult process

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Notion

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Science and technology

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What Wikipedia says

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 purpose-built cell.

Excerpt from the Wikipedia article “Hall–Héroult process”, under the CC BY-SA 4.0 license. Read the article on Wikipedia