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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.

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