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Describe principle of extraction of aluminium metal.

Describe principle of extraction of aluminium metal.

Grade:Upto college level

1 Answers

Gaurav
askIITians Faculty 164 Points
9 years ago
Aluminium is the most abundant metal in the earth’s crust. Aluminium does not occur free in nature, but its compounds are numerous and widely distributed.

The chief and important ore from which aluminium is exclusively and profitably obtained is Bauxite, AI2O3.2H2O. The extraction of the metal from bauxite involves the three main steps.
  • Purification of Bauxite
  • Electrolytic reduction of Alumina, (AI2O3)
  • Purification of AI.

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