Canberra's Blockage Busters | Sludge Tank Cleaning at Lower Molonglo Water Quality Control Centre

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‘Sludge’ is the result of our waste sticking together during the treatment process. We eventually turn this substance into Agri-Ash for farmers.

We can only process so much sludge at a time. Freshly collected sludge is stored in a massive tank where a large arm sweeps the contents into a central drain for later processing. Wet wipes are tough and, no matter what we do, refuse to break apart. They’ll often slip into this tank where they bog down the arm and clog the drain. When this happens, our Blockage Busters need to empty the tank and jump inside – where they then pull apart the blockages and scoop out the wet wipes by hand.

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