Aluminium smelting utilises the Hall-Héroult process of extracting aluminium metal from its oxide, alumina. In this process, alumina is dissolved in cryolite at about 1000°C in a large pot. This ...

Aluminium is more reactive than carbon so it must be extracted from its compounds using electrolysis. Even though aluminium is more abundant than iron in the Earth's crust, aluminium is more expensive ...

Century Aluminum and Emirates Global Aluminum will locate their joint venture smelter in Northeastern Oklahoma instead of Northern Kentucky.