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Sludge treatment

As a by-product of wastewater treatment, sludge poses a major economic and environmental challenge. Improved wastewater treatment processes have resulted in significantly higher quantities of sludge to be treated. SUEZ provides an effective response to this trend by offering a wide range of processes applicable to every stage of treatment, from digestion to thickening, dewatering, drying and incineration.

Discover our wastewater treatment plants and sludge treatment lines references and case studies.

Click on the title of a study case to read more
sludge digestion unit, wastewater treatment plant Alexandria East (Egypt)
Sludge digestion unit, wastewater treatment plant Alexandria East (Egypt)
The plant, operated by SUEZ since 2008, has a capacity of 800,000 m3 per day, making it one ofthe largest in Egypt. It treats the wastewater of more than 5 million inhabitants. In 2018, the Construction Authority for Potable Water & Wastewater (CAPW} awarded SUEZ for the DBO contract of a new sludge digestion unit, based on mesophilic anaerobic digestion and Combined Heat & Power. Successfully handed over in November 2022, this plant is a major achievement for SUEZ in terms of sludge digestion and green energy production.
urban wastewater plant Alexandria
Alexandria wastewater treatment plant (Egypt)
In October 2008, the Construction Authority for Potable Water & Wastewater “CAPW” awarded the Consortium SUEZ and The Arab Contractors a contract for the Rehabilitation, Extension of Primary Treatment and Addition of Secondary treatment of the Alexandria East Wastewater Treatment Plant.
wastewater treatment plant Meistratzheim France sludge treatment
Meistratzheim wastewater treatment plant (France)
With a 240,500 population-equivalent capacity, this plant, built by SUEZ, treats the wastewater of 11 towns located in the Terres de Saint Odile area (i.e. 24,000 inhabitants) and the effluent of local sauerkraut manufacturing plants (i.e. the equivalent wastewater of 140,000 in habitants at peak flow).