Problem:
- Municipality of 900 EH
- Regulatory obligation to purify effluents:
- Daily flow rate: 261 m3/d
- Peak hourly flow rate: 53 m3/h
- Unitary network
Solution:
Bio-disc treatment system:
- Primary settling by 1 digester settling tank
- 2 rows of bio-discs composed of 2 modules – 2 x 2 593 m²
- Clarification by 2 lamellar decanters
In operation since 2009
Results:
Rejection standards to be respected:
- BOD5: 25 mg/l
- COD: 125 mg/l
- TSS: 35 mg/l
