Problem:
- Municipality of 410 p.e.
- Regulatory obligation to purify effluents:
- Daily flow rate: 65 m3/d
- Peak hourly flow rate: 8 m3/h
- Separate network
Solution:
Bio-disc treatment system:
- 1 line of biodiscs composed of 2 modules – 2,951 m²
- Clarification by 1 lamellar settling tank
- Storage, stabilization and dewatering of sludge on reed beds: 4 compartments – 80 m²
In operation since 2009
Results:
Rejection standards to be respected:
- BOD5: 25 mg/l
- COD: 125 mg/l
- TSS: 35 mg/l