Reference
Omzet.Amersfoort
Energy self-sufficient WWTP with nutrient recovery facility
General Data
Client: Waterboard Vallei en Veluwe, The Netherlands
Completion: December 2017
Contract value: EUR 11.2 million
Scope
- Design & Construct (UAV-gc)
- Combination of thermal pressure hydrolysis (LYSOTHERM®), nutrient recovery (Pearl®) and nitrogen reject water treatment (Demon®)
System & Technologies
- Mechanical thickening of primary and waste activated sludge's
- WASSTRIP® phosphate stripping process
- Sludge concentration prior to digestion with modified belt filter presses (12% DS)
- LYSOTHERM® thermal pressure hydrolysis
- CHP 3x500kWe / 550kWth
- Entire Mechanical, electrical and process automation systems and installation
- Including civil works
Technical Data
- Centralized sludge treatment facility 12.255 ton DS/year, 300.000 p.e.
- Production of 11 million kWh/year electricity
- Production of 900 ton/year Crystal Green® fertilizer incl. long term off-take
Special Features
- Besides fill coverage of own energy needs, the plant produces 2 million kQh surplus of electricity annually, which is sufficient to provide 600 households with green electricity during the year
Project Videos
Project video
Operator interview
Installation time lapse