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Northern NSW
Wastewater Treatment Plant
Digestor Cleaning

Dredging Solutions Municipal Digestor Cleaning Mixer A-Frame & Digester


Four digesters at this Northern NSW wastewater treatment plant were required to be completely emptied as part of a project to decommission the site. Due to the space constraint, small-footprint equipment and associated labour practices were required.

Our Approach:

Using an A frame mounted Tsurumi 6" macerator pump, we mixed the sludge within each of the digesters to a suitable consistency and transferred the material to a nearby sedimentation pond via an existing transfer pump. 


The four digesters were emptied and decommissioned within the required timeframe, ensuring there was no holdup of the project.

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