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Aluminum Refining (Hall Process) Al2O3 > Al / CO2 / HF

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Bateman212

Bateman212

Aerospace
Oct 23, 2013
1
Why does the reduction of Al2O3 to Aluminum (and byproducts) take place at 4-5 volts and NOT 1-3 volts, or an even lower voltage? Why is 4-5 volts the optimum, and not 1 volt?
 
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