N₂O Production by Nitrifying Biomass Under Anoxic and Aerobic Conditions

The capacity of nitrifying biomass, grown in biofilms or in suspension, to reduce NO₂ ⁻ and NO₃ ⁻ under anoxic conditions was tested in batch experiments. The estimated reduction rates were 5 and 25 mg N per gram volatile suspended solids (VSS) per day for nitrate and nitrite, respectively, in the c...

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