Aeration Oxygen Demand Calculator
Theoretical oxygen only. Does not size blowers, diffusers, transfer efficiency or controls. Source: US EPA Nutrient Control Design Manual (EPA 10065): https://www.epa.gov/sites/production/files/2019-08/documents/municipal_nutrient_removal_technologies_vol_i.pdf
A QUICK WALKTHROUGH
How to use this tool
- Calculate theoretical oxygen demand for ammonia nitrogen and optional carbonaceous demand.
- Nitrification oxygen = 4.57 × ammonia nitrogen load; total theoretical O₂ = nitrification oxygen + optional carbonaceous demand.
- Theoretical oxygen only. Does not size blowers, diffusers, transfer efficiency or controls. Source: US EPA Nutrient Control Design Manual (EPA 10065): https://www.epa.gov/sites/production/files/2019-08/documents/municipal_nutrient_removal_technologies_vol_i.pdf
Scope and limitations
Theoretical oxygen only. Does not size blowers, diffusers, transfer efficiency or controls. Source: US EPA Nutrient Control Design Manual (EPA 10065): https://www.epa.gov/sites/production/files/2019-08/documents/municipal_nutrient_removal_technologies_vol_i.pdf
Formula
Nitrification oxygen = 4.57 × ammonia nitrogen load; total theoretical O₂ = nitrification oxygen + optional carbonaceous demand.
GOOD TO KNOW
Common questions
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