La Llagosta WWTP | ACCIONA | Business as unusual

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General Information

Project: WWTP La Llagosta
Entity: Consortium for the defence of the watershed of the Besós
Location: La Llagosta, Barcelona. Spain
Design flow: 43,000 m³/day
Population: 358,000

Key points

Pre-treatment: Large particle screens, sifting, desanding and influent flow metre
Primary treatment: Physical-chemical and sedimentation
Secondary treatment: Biological treatment of activated sludge through a piston flow system. O2 input / Mud recirculation / Sedimentation
Mud treatment: Thickener, sifting and dehydration
Miscellaneous: Deodorising

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