First-stage capacity |
• Total smelter capacity | 585,000 tonnes per year |
• Total cells | 704 cells in 2 double-lined potrooms |
• Potroom length | approx 1200 metres |
• Electrolytic reduction cell technology used | HAL275 Hydro |
• Each pot consists of | 30 anodes or 15 pairs |
Operational parameters of each pot |
• Temperature | 956°C |
• Bath height | 20.5 cm |
• Metal heìght | 20.0 cm |
• Pot voltage | 4.20 V |
• Pot amperes | 300 kA |
• Anode cycle time | 600 hours |
• Standard metal tap | 1903 kg |
• Beam raising | 17 days |
Products from Reduction |
• Charge weight of liquid aluminium in annual tonnage |
• Foundry alloys | 245,000 tonnes |
• Extrusion ingots | 340,000 tonnes |
• Aluminium purity (maximum Iron (Fe) content in one charge) |
• Foundry alloys (charge requirements) | 0.065% - 0.085% |
• Extrusion ingots (charge requirements) | 0.17% - 0.30% |
Based on installed Casthouse capacity |
Supporting facts
Alumina is fed through a closed system
A high-voltage system supplies electricity via busbars
Anodes will be installed using advanced cranes (Pot tending machines)
Mobile tapping vehicles transport liquid aluminium to the casthouse (Pot tapping vehicles)
Mobile pallets handle the spent anode butts
Cell relining workshop
Crane service workshop