| Reject and leachate | |
| Typical colour of DEMON®-sludge | |
| Reject, 500 kg N/d | |
| Seeding sludge | |
| Biogas-plant, 900 kg N/d | |
| Separation of Anaerobic Ammonia Oxydizing Bacteria (AOB`s) | |
| Reject, industrial sewage, 300 kg N/d | |
| Effect of sludge separation | |
| Reject, 400 kgN/d | |
| Float with probes | |
| Reject 30 kgN/d | |
| Reject 100 kgN/d | |
| Yeast, 2‘400 kgN/d | |
| Reject, 190 kgN/d | |
| Activated sludge plant with DEMON®-plant | |
| Reject 250 kg N/d | |
| 2-lines DEMON®-plant, roofed |