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Author:

Wu, Y. (Wu, Y..) | Peng, Z. (Peng, Z..) | Wang, H. (Wang, H..) | Zhang, L. (Zhang, L..) | Zeng, W. (Zeng, W..) | Cao, Y.-A. (Cao, Y.-A..) | Liao, J. (Liao, J..) | Liang, Z. (Liang, Z..) | Liang, Q. (Liang, Q..) | Peng, Y. (Peng, Y..)

Indexed by:

EI Scopus SCIE

Abstract:

Applications of post-denitrification processes are subjected to low reaction rates caused by a lack of carbon resources. To offer a solution for reaction rate promotion, this research found a pilot-scale anaerobic/aerobic/anoxic bioreactor treating 55–120 m3/d low-strength municipal wastewater for 273 days. A short hydraulic retention time (HRT, 5–6 h) and a high nitrogen removal rate (63.2 ± 9.3 g-N/m3·d) were achieved using HRT optimization. The effluent total nitrogen concentration was maintained at 5.8 ± 1.4 mg/L while operating at a high nitrogen loading rate of 86.2 ± 12.8 g-N/m3·d. The short aeration (1.25–1.5 h) minimized the Glycogen loss. The endogenous denitrification rate increased to above 1.0 mg/(g-VSS·h). The functional genus Ca. Competibacter enriched to 2.3 %, guaranteeing the efficient post-denitrification process. Dechloromonas rose to 1.1 %, aiding in the synchronous phosphorus removal. These findings offered fresh insights into AOA processes to achieve energy/cost-saving wastewater treatment. © 2023

Keyword:

Endogenous denitrification Biological nitrogen removal Efficient wastewater treatment Continuous Plug-flow process Mainstream

Author Community:

  • [ 1 ] [Wu Y.]National Engineering Laboratory for Advanced Municipal Wastewater Treatment and Reuse Technology, Engineering Research Center of Beijing, Beijing University of Technology, Beijing, 100124, China
  • [ 2 ] [Peng Z.]National Engineering Laboratory for Advanced Municipal Wastewater Treatment and Reuse Technology, Engineering Research Center of Beijing, Beijing University of Technology, Beijing, 100124, China
  • [ 3 ] [Wang H.]National Engineering Laboratory for Advanced Municipal Wastewater Treatment and Reuse Technology, Engineering Research Center of Beijing, Beijing University of Technology, Beijing, 100124, China
  • [ 4 ] [Zhang L.]National Engineering Laboratory for Advanced Municipal Wastewater Treatment and Reuse Technology, Engineering Research Center of Beijing, Beijing University of Technology, Beijing, 100124, China
  • [ 5 ] [Zeng W.]National Engineering Laboratory for Advanced Municipal Wastewater Treatment and Reuse Technology, Engineering Research Center of Beijing, Beijing University of Technology, Beijing, 100124, China
  • [ 6 ] [Cao Y.-A.]Zhongshan Public Water Investment Co. Ltd, Zhongshan, 528403, China
  • [ 7 ] [Liao J.]Zhongshan Public Water Investment Co. Ltd, Zhongshan, 528403, China
  • [ 8 ] [Liang Z.]Zhongshan Public Water Investment Co. Ltd, Zhongshan, 528403, China
  • [ 9 ] [Liang Q.]Zhongshan Public Water Investment Co. Ltd, Zhongshan, 528403, China
  • [ 10 ] [Peng Y.]National Engineering Laboratory for Advanced Municipal Wastewater Treatment and Reuse Technology, Engineering Research Center of Beijing, Beijing University of Technology, Beijing, 100124, China

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Source :

Bioresource Technology

ISSN: 0960-8524

Year: 2024

Volume: 393

1 1 . 4 0 0

JCR@2022

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count: 9

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 10

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