VEOLIA has adopted an Australian-manufactured polymer pipe system for an $80m refurbishment project at a water treatment facility.
According to Calair, its Pro-Pipe II system is being used at the Macquarie Generation site for its enhanced durability, safety and corrosion resistance. They will be installed onto eight Actiflo clarifiers.
The systems are used to carry compressed air, water, flocculants solutions and corrosive ferric chloride.
The Veolia contract will upgrade the water treatment facilities at the power station to reduce salinity and increase water quality in Lake Liddell. The facility recycles 160m litres of cooling water per day, treating the liquid to ensure no contaminants reach local waterways.
Veolia said it had sought reticulation systems that would be tough, non-corrosive and clear colour-coded, allowing contents to be identified for safety reasons.
Aggressive substances such as ferric chloride react with metal, and PVC was found to be brittle and easily damaged. The Pro-Pipe system compresses during accidental impacts, and does not rupture.
The Calair system integrates with existing metal piping without needing specialist tools or welding skills to install. The system can also be reconfigured as production and process needs change.
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