diagram of how aluminium is extracted from pure bauxite

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Electrolysis of alumina

Oct 27, 2015· Electrolysis of Alumina - TeachSA...

Extraction of Aluminium by Electrolysis

Aluminum is extracted from aluminum oxide by a process called electrolysis First of all, aluminum oxide needs to be in molten form to extract the aluminum ions Aluminum oxide, however, has a high melting point Therefore, aluminum oxide is dissolved in molten cryolite Cryolite is a form of an aluminum compound that has a lower melting point ....

Extracting aluminium

Aluminium is the most abundant metal on Earth, but it is expensive, largely because of the amount of electricity used in the extraction process Aluminium ore is called bauxite (Al 2 O 3 )...

Extracting aluminium

Iron and aluminium are extracted from their ores in various ways , Aluminium ore is treated to produce pure aluminium oxide , The diagram shows an electrolysis cell used to extract aluminium...

Bayer process

Gypsum...

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