Demon® Rejectwater treatment
WWTP Echten, The Netherlands
Scope
- Rejectwater treatment facility
- Design, delivery and installatin of all Mechanical and Electrical systems
- Process control and automation
- Demon® nitrogen removal technology
Technical Data
- Nitrogen load 112 ton/year, 320 kg/day
- Concentration Nkj 800 - 1500 mg/l
- Max. inflow 70m3/hr
- Removal efficiency > 80%
System & Technologies
- Combined feed - (600m3) and effluent buffer (400m3)
- Demon® reactor 450m3
- Plate diffusor aeration (Messner) and blowers
- Submersible pumps and mixers
- Stainless steel and HDPE piping
- Electrical and process automation systems
- Mechanical and Electrical installation works
- Process instrumentation incl. analysing equipment
Special Features
- At WWTP Echten, produced sludge's are digested in 2 stages (thermo + mesophilic), processed by the Airprex® system and dewatered by means of a chamber press
General Data
Client
Sweco / Waterboard Reest & Wieden, The Netherlands
Completion
July 2013
Contract value
EUR 356,000
Reference DEMON® rejectwater treatment Echten.pdf