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STM-Aerotor™ Biological Nutrient Removal

WesTech packaged wastewater treatment systems including Submerged Turbine Mixer (STM) aeration and Aerotor rotating biological contactor systems for small-to-medium communities and industrial applications.

Features & Benefits

  • Compact packaged systems for smaller plants
  • complete biological treatment capability
  • factory assembled for reduced installation time
  • designed for extended aerated lagoon and biological treatment
  • Aerotor fixed-film biological treatment

Applications

  • Small municipal wastewater treatment
  • industrial wastewater biological treatment
  • package plant installations in remote areas
  • expanded treatment capacity

Performance

  • Treatment capacity: up to 5 MGD (ideal for small plants)
  • Effluent Total Nitrogen (standard BNR): < 10 mg/L
  • Effluent Total Phosphorus (standard BNR): < 2 mg/L
  • Enhanced BNR (with additional selector zones): TN < 3 mg/L
  • TP < 1 mg/L
  • Complete nitrification
  • single-digit BOD and TSS in effluent
  • IFAS technology: Integrated Fixed Film and Activated Sludge
  • STM (Submerged Turbine Mixer) aeration + Aerotor fixed-film RBC stages
  • Modular design supports future expansion
  • Factory assembled for reduced installation time

About The Manufacturer

WesTech provides treatment for water and wastewater treatment including clarification, digestion, biological treatment, thickening, and headworks. With market-leading expertise, rapid technical response and world-class solutions, Geiger is proud to represent WesTech’s entire product line in the municipal marketplace throughout our Mid-Atlantic territory.

WesTech

Documents & Downloads

PDF

Wasterwater Stm Aerotor Brochure

STM-Aerotor™ Biological Nutrient Removal

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