A novel simultaneous partial nitritation, denitratation and anammox (SPNDA) process in sequencing batch reactor for advanced nitrogen removal from ammonium and nitrate wastewater

[Display omitted] •Energy-efficient SPNDA steadily obtained high nitrogen removal efficiency of 97.6%.•NO2--N/NH4+-N (1.16) and NO3--N (0.49 mg/L) in SPND effluent matched with anammox.•Nitrogen conversion mechanism of SPNDA process was uncovered.•NOB was stably inhibited by low DO (0.15 mg/L) and h...

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Veröffentlicht in:	Bioresource technology 2022-01, Vol.343, p.126105-126105, Article 126105
Hauptverfasser:	Zhang, Xingxing, Wu, Peng, Xu, Lezhong, Ma, Liping
Format:	Artikel
Sprache:	eng
Schlagworte:	Ammonium and nitrate wastewater Biological nitrogen removal Denitratation and anammox (SPNDA) Low dissolved oxygen Microbial dynamics Simultaneous partial nitritation
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