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References

Demon® technology for nitrogen removal.

Scope

  • Demon® technology for nitrogen removal
  • Reject water (centrate) treatment sludge dewatering
  • Design, delivery and assembly of mechanical installations
  • Design of controlled technical components
  • Co design (with client) of civil and electronic installations
  • Commissioning and start up assistance

Technical Data

  • Continuous operation Demon® reactor (450 m3 tank)
  • Integrated gravity return sludge thickener
  • Aeration discs with removable frames
  • Centrate feed pump
  • Related instrumentation for equipment
  • Stainlees steel and PE piping
  • Online process monitoring for HNO2/O2/NH4/pH/SS

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

Special Features

  • removable aeration frames
  • Fully automatic operation

General Data

Client
Envidan A/S, Denemarken

Completion
Oct. 2016

Contract value
EURO 650,000