| MASTER OF WORK |
I.B.W. 1400 Nivelles |
| STUDIES OFFICE |
Société BAGON - Ingénieurs Conseils |
| YEAR |
Start-up : 2000 |
| PRESTATIONS |
| |
Like sub-contractor for BAGON :direction of works
for the process lines |
|
| CAPACITY OF TREATMENT |
|
40.000 |
E.H. |
| 7.230 |
m³/day |
| 2.640 |
kg BOD/day |
| 5.760 |
kg COD/day |
| 4.380 |
Total suspended solids |
| 515 |
Nitrogen Kjeldahl (total) |
| 175 |
Phosphorus (total) |
|
| MAXIMUM PERMISSIBLE CONCENTRATION |
| BOD |
: |
25 |
mg O2/l |
| COD |
: |
125 |
mg O2/l |
| Suspended solids |
: |
35 |
mg/l |
| N |
: |
15 |
mg/l |
| P |
: |
2 |
mg/l |
|
| TREATMENT LINE |
|
· |
Coarse
and fine screening, desilting and oil
removal |
| · |
Biological treatment by activated sludge with N and P removal |
|
· |
Settling |
| · |
Physico-chemical tertiary treatment :
phosphorus removal |
| · |
Flotation of secondary
sludges |
|
· |
Sludge dewatering by
centrifugation |
|