Adjusted bacterial cooperation in anammox community to adapt to high ammonium in wastewater treatment plant.

ABSTRACT: Bacterial cooperation is very important for anammox bacteria which perform low-carbon and energy-efficient nitrogen removal, yet its variation to adapt to high NH₄ ⁺-N concentration in actual wastewater treatment plants (WWTPs) remains unclear. Here, we found wide and varied cross-feedings of anammox bacteria and symbiotic bacteria in the two series connected full-scale reactors with different NH₄ ⁺-N concentrations (297.95 ± 54.84 and 76.03 ± 34.01 mg/L) treating sludge digester liquor. The uptake of vitamin B6 as highly effective antioxidants secreted by the symbiotic bacteria was beneficial for anammox bacteria to resist the high NH₄ ⁺-N concentration and varied dissolved oxygen (DO). When NH₄ ⁺-N co

SUBMITTER: Feng Y 

PROVIDER: S-EPMC11460484 | biostudies-literature | 2024 Dec

REPOSITORIES: biostudies-literature