Examples of mineral processing
Extractive metallurgy - Hydrometallurgy
Article REF: M2235 V4
Examples of mineral processing
Extractive metallurgy - Hydrometallurgy

Author : Alexandre CHAGNES

Publication date: September 10, 2024 | Lire en français

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6. Examples of mineral processing

6.1 Aluminium

The Bayer process is universally used on bauxite ores. It takes advantage of the amphoteric properties of alumina. After crushing the ore, the concentrated soda dissolves the alumina according to the reaction:

Al2O3,nH2O+2NaOHAl2O3,Na2O+nH2O
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