Alcoa Portland Red bauxite rock – high concentration of aluminium.

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Presentation transcript:

Alcoa Portland Red bauxite rock – high concentration of aluminium

Mined in Weipa and taken by boat to Gladstone

Gladstone: port good labour force Concentrated to mainly alumina - Al2O3

Back on a boat and taken to Portland

Electrolysis process required the establishment of a BIG power line across Victoria

In the lab, a molten solution might be in a crucible – in this plant the molten solution takes up a mammoth warehouse

Al3+(l) + 3e-  Al(l) 2O2-(l) + C(s)  CO2(g) + 4e-

Carbon electrodes!