References

Struvite Recovery

WWTP Amsterdam - West

Scope

  • Design & Construct (UAV-gc)
  • Airprex® Struvite technology
  • Production of MAP
  • Industrial construction
  • Process Control & Visualisation

Technical Data

  • Sludge treatment capacity 1.700.000 p.e.
  • Flow digested bio-P sludge 70 - 120 m3/hr
  • Removal orthophosphate 95%
  • Improvement sludge dewatering 3-4%
  • Reduction of PE app. 4g active PE/kg DS
  • Production re-usable MAP product (Fosvaatje)

System & Technologies

  • Airprex® technology, 500m3 en 2 x 220m3 reactors
  • Coarse bubble aerations+
  • MgCl2 storage ( 2 x 50m3) and dosing system
  • MAP washing and storage
  • Redundant ventilation (Ex)
  • Pumps, piping and valves
  • Complete electrical installations
  • Autonomous process control (Package Unit) and visualisation

Special Features

  • Three reactors and structural steel works were installed in one day during a complex logistic operation

General Data

Client
Waternet Amsterdam, The Netherlands

Completion
Dec. 2013

Contract value
EURO 1.8 million