CASE STORY Sludge T reatment Plant KETA, Hamburg KETA, Hamburg For environmental control of the residual from waste water treatment, the “Hamburger Stadtentwässerung” in Germany decided to build a sludge treatment plant in 1992 and a sludge incineration plant in 1997. The treated sludge as well as the screenings and residual grits are incinerated. The new sludge treatment concept contributes considerably to a safe sludge waste removal

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