Science, asked by gangaram1631, 1 year ago

Why graphite rods gradually consume during Hall’s Heroults process?

Answers

Answered by annu454

Molten cryolite is used as a solvent for aluminium oxide (Al2O3) in the Hall–Héroultprocess, used in the refining of aluminium. It decreases the melting point of molten (liquid state) aluminium oxide to 900-1000 °C from 2000-2500 °C. Thuscryolite makes the extraction of aluminium profitable.

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