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La Gavia WWTP

Madrid, Spain

Design and construction of a wastewater collection and treatment system for the Southeast area of Madrid, including the design and construction of a 172,800 m3/ day wastewater treatment plant to serve a population equivalent to 950,000 inhabitants. The lines are connected to two existing collectors, and the treated water is dumped into the Manzanares River. The cogeneration equipment in the system results in a high, energy- efficient operation.

Facts of the project
172,800 m3/ day
950,000 inhabitants
Physical- Chemical
Lamellar primary clarifiers
Half- load Biological Process and Nutrient biological removal
Sludge treatment with anaerobic digestion