Lab-scale data and microbial community structure suggest shortcut nitrogen removal as the predominant nitrogen removal mechanism in post aerobic digestion (PAD)

Great to see my first first-author as a Process Engineering Associate at Black & Veatch! Here we used biomass from anaerobic digester and evaluated mechanisms of nitrogen removal in a process called “post aerobic digestion”.  We found that, while NOB are present, AOB are responsible for nitrite accumulation that then it’s further reduced via denitritation. This suggests that nitritation-denitritation (shortcut nitrogen removal) is the dominant mechanism of nitrogen removal in post aerobic digestion reactors. 

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