Biological Nutrient Removal (BNR)

Smith & Loveless partners with municipal, commercial and industrial facilities to meet their stringent clean water requirements with our efficient BNR Treatment Processes. We design, build and install packaged, containerized, and field-erected treatment and MBR systems that solve your nitrogen and phosphorus reduction problems and/or enable reuse. Our compact decentralized designs intentionally preserve facility space while limiting capital and long-term O&M costs. Request a design proposal or budget quote today.


In-Tank Processes:

  • S&L AOAO and Bio-P Multi-Stage Biological Nutrient Removal (BNR) Zones
    • Nitrification / Denitrification
    • Phosphorous Removal
    • Various Aerobic, Anoxic and Anaerobic Zone combinations
  • Flow Equalization, Sludge Storage


  • S&L Clarifiers
    (Hopper-style and stand-alone circular tankage / standard and flocculating)
  • Chemical Precipitation
  • DGF Tertiary Filtration
    (Integral or stand-alone tankage)
  • Disinfection (UV or Chlorination)
  • Dissolved Air Flotation



Explore Products by Type:

Membrane Bioreactors Fixed-Film Systems Field-Erected Systems


Ready to Make a Project Inquiry?

Project Information:
Influent Conditions:
Effluent Conditions:
Project Information:
Influent Conditions:
Effluent Conditions:

By submitting your personal information, you agree that Smith & Loveless Inc. may use it in accordance with its Privacy Policy.

Privacy Statement | ©2016-2024, Smith & Loveless. All Rights Reserved.