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Waste water sludge treatment

Source: IEA/IRENA Renewables Policies Database
Last updated: 24 August 2021
The new Sant’ Antnin Waste Treatment Plant includes a biological treatment. The Malta South UWWTP will feature anaerobic sludge digestion facilities with biogas production with the aim of treating the sewage sludge generated prior to disposal and reducing the plant’s energy demand on the national grid. The methane produced will be combusted in a CHP plant for energy recovery: the electricity output will be used to meet a share of the plant’s own operating demand, whereas the heat will be used in heating up and maintaining the sludge digesters at 35°C.

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