Case study Steinsholt WWTP, Norway
The first full scale plant with K1 carrier material.
Design data
| Parameter |
Value |
| BOD7 |
43.8 kg/d |
| Design flow |
10.25 m³/h |
| PE |
625 |
Effluent requirements
| Parameter |
Value |
| Phosphorous |
<1 mg TP/l |
| BOD7 |
<20 mg/l |
Results
| Parameter |
Influent (mg/l) |
Effluent(mg/l) |
Reduction (%) |
| Total COD |
514 |
33 |
94 |
| Total BOD7 |
289 |
11 |
96.2 |
| N-tot |
50.2 |
29.2 |
41.8 |
| TP |
6.4 |
0.17 |
97.3 |
The plant has proved to be operator friendly and require very little supervision. Average treatment results for Steinsholt treatment plant in the period 1992–1994 are shown in the table above. The plant has performed very well with stable results and few mechanical problems.
