Sustainable Primary Aluminium Production: Technology Status .
WEBMay 14, 2019 · Primary aluminium metal is industrially produced through an electrolytic process also known as Hall–Héroult process. The amperage of an electrolytic smelter ranges from 60 kA to 600 kA depending upon the cell technology. ... Energy consumption and raw materials are two of the primary cost drivers in the aluminium industry, and .