References

Aeration and IFAS

Severn Trent - Goscote STW

Scope of services

  • Replace FBDA and install IFAS system
  • Design
  • Manufacture
  • Installation
  • Commission
  • Process Support

Scope of delivery

  • Remove existing FBDA
  • Replace air header pipework, associated valves and droppers
  • Install 3,792 Jetflex® tube diffusers - 632 per lane
  • On-site erection of ‘flat-packed’ IFAS cages
  • Install IFAS cage guides and cages

Specifics

  • All IFAS cages and pipework of Grade 304 stainless steel
  • 6 x ASP lanes - 17 cages per lane - total 102 cages
  • 74,000 sq. metres of Biotextil curtains
  • Increases biomass under aeration by 50%

Technical data

  • Uprating of existing activated-sludge plant to treat a greater load to a higher standard
  • Discharge permit 1.3 mg/l Ammonia (from March 2020)
  • Population Equivalent: 133,553 (2028 Design Horizon)
  • Maximum flow of 62,127 cubic metres/d

Client
MMB on behalf of Severn Trent Water

Completion
September 2019