With sewage sludge recycling to the circular economy

Sewage sludge is a mixture of water and solids and is produced as an unloved waste product during wastewater treatment, for example on construction sites such as the E39 Lyngdal in Norway, where Implenia is building 11 km of road through tunnels and over bridges. Now the team is testing two processing methods that allow large parts of the sludge to be reused, thereby reducing significant amounts of waste.

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