General Information
- Project: WWTP León
- Entity: Association of León and its districts
- Location: Vilecha, León. Spain
- Design flow: 107,100m3/day
- Population: 330,000
Key points
Pre-treatment:
Large particle screens, sifting, desander, sand classifier, deoiler and influent flow metre
Primary treatment:
Physical-chemical and sedimentation
Secondary treatment:
Biological treatment of activated sludge of prolonged airing and medium load. O2 input / Mud recirculation / Sedimentation
Mud treatment:
Thickener, sifting, digestion, dehydration and thermal drying
Miscellaneous:
Disinfection and deodorising