Impec rod grinding machine is a field proven design using a grinder to remove aluminium oxidation and spikes on the anode rod. The results are much lower contact resistance with the anode busbar and lowering the voltage drop.

• Easy to install in existing plant
• Increases current efficiency in the pot room
• Easy access maintenance
• No metal removed from rod
• Including waste collection and suction system

Reference:
Slovalco – Slovakia
Hydro Aluminium – Årdal, Norway