| MASTER
OF WORK |
A.I.D.E. B-4420
Saint-Nicolas |
|
STUDIES OFFICE |
COPPEE COURTOY |
| YEAR |
Start-up :
2001 |
| PRESTATIONS |
Like sub-contractor for B.E. COPPEE COURTOY :
| · |
Choice of the treatment
line |
| · |
Establishment of the
project (about process) |
| · |
Comparison of offers,
establishment of the final
report (process party) |
|
| CAPACITY
OF THE TREATMENT |
| 110.000 |
(transitory : 170.000) |
E.H. |
| 19.800 |
(transitory : 30.600) |
m³/day |
| 5.940
|
(transitory : 9.180)
|
kg BOD/day |
|
| MAXIMUM
PERMISSIBLE CONCENTRATION |
| BOD |
: |
25 |
mg O2/l |
| Suspended solids |
: |
35 |
mg/l |
| N |
: |
10 |
mg/l |
| P |
: |
1 |
mg/l |
|
| TREATMENTS |
| · |
Preliminary
treatments |
| |
| |
Coarse
and fine screening |
| |
Pumping station with
Archimedes-screws
|
| |
Desilting
|
| |
Storm
water collecting tanks
|
| |
Settling |
|
|
|
| · |
Secondary
treatments |
| |
| |
Biological
treatment by activated sludge with N and P removal. |
| |
Settling |
|
| |
|
| · |
Tertiary treatments |
| |
| |
Phosphorus removal
by chemical process |
|
| |
|
| · |
Thickening of preliminaries sludge |
| |
|
|
· |
Thickening by flotation of secondary and tertiary sludge |
| |
|
|
· |
Dewatering
of sludge by centrifugation |
|
HYDRO-TECHNOLOGY