Physical-chemical and sedimentation in Rubí
General Information
- Project: WWTP Rubí.
- Entity: Agencia Catalana del Agua.
- Location: Sant Cugat del Vallés, Barcelona. Spain.
- Design flow: 27,000 m3/day.
- Population: 135,000.
Key points
Pre-treatment:
Large particle screens, fines screens, desander, sand classifier, deoiler and influent flow metre.
Primary treatment:
Physical-chemical and sedimentation.
Secondary treatment:
Biological treatment of active sludge through a piston flow system with elimination of organic matter and nitrogen O2 input / Mud recirculation / Sedimentation.
Mud treatment:
Thickener, sifting, digestion, dehydration and cogeneration.