Bongrain is focused on cheese and dairy specialities and is one of the world's foremost processors of milk. Bongrain collects more than 3 billion litres of milk for its activities.
The Group is the 4th largest cheese producer in the world, with 77 production sites in 26 countries.
The client wanted to improve the treatment efficiency of the existing industrial wastewater pre-treatment plant to maintain the effluent standard requirements.
Veolia Water Solutions & Technologies offered a "turnkey" design & build solution in order to improve the efficiency of the existing industrial wastewater pre-treatment plant.
Veolia Water Solutions & Technologies refurbished the existing industrial wastewater pre-treatment plant to attain a treatment capacity of800 m3/d.
The project covered both the wastewater and sludge treatment lines and includes the installation of :
Design capacity : 800 m3/d
>Pre-treatment
>Flotation step
>Floated sludge treatment
Results
| Wastewater characteristics | Process guarantees |
|---|---|
COD : 2,829 mg/l |
COD ≤ 1,625 mg/l |
BOD5 : 2,114 mg/l |
BOD5 ≤ 875 mg/l |
SS : 640 mg/l |
SS ≤ 400 mg/l |
N-NH4 : 15 mg/l |
N-NH4 ≤ 21 mg/l |
Ntotal : 65 mg/l |
Ntotal ≤ 62 mg/l |
Ptotal : 19 mg/l |
Ptotal ≤ 3.5 mg/l |
