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Author:

Wu, You (Wu, You.) | Peng, Zhihao (Peng, Zhihao.) | Wang, Hanbin (Wang, Hanbin.) | Zhang, Liang (Zhang, Liang.) | Zeng, Wei (Zeng, Wei.) | Cao, Yu-An (Cao, Yu-An.) | Liao, Jiajun (Liao, Jiajun.) | Liang, Zihao (Liang, Zihao.) | Liang, Qifeng (Liang, Qifeng.) | Peng, Yongzhen (Peng, Yongzhen.) (Scholars:彭永臻)

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 center dot 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 center dot 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 center dot h). The functional genus Ca. Com-petibacter 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.

Keyword:

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

Author Community:

  • [ 1 ] [Wu, You]Beijing Univ Technol, Engn Res Ctr Beijing, Natl Engn Lab Adv Municipal Wastewater Treatment &, Beijing 100124, Peoples R China
  • [ 2 ] [Peng, Zhihao]Beijing Univ Technol, Engn Res Ctr Beijing, Natl Engn Lab Adv Municipal Wastewater Treatment &, Beijing 100124, Peoples R China
  • [ 3 ] [Wang, Hanbin]Beijing Univ Technol, Engn Res Ctr Beijing, Natl Engn Lab Adv Municipal Wastewater Treatment &, Beijing 100124, Peoples R China
  • [ 4 ] [Zhang, Liang]Beijing Univ Technol, Engn Res Ctr Beijing, Natl Engn Lab Adv Municipal Wastewater Treatment &, Beijing 100124, Peoples R China
  • [ 5 ] [Zeng, Wei]Beijing Univ Technol, Engn Res Ctr Beijing, Natl Engn Lab Adv Municipal Wastewater Treatment &, Beijing 100124, Peoples R China
  • [ 6 ] [Peng, Yongzhen]Beijing Univ Technol, Engn Res Ctr Beijing, Natl Engn Lab Adv Municipal Wastewater Treatment &, Beijing 100124, Peoples R China
  • [ 7 ] [Cao, Yu-An]Zhongshan Publ Water Investment Co Ltd, Zhongshan 528403, Peoples R China
  • [ 8 ] [Liao, Jiajun]Zhongshan Publ Water Investment Co Ltd, Zhongshan 528403, Peoples R China
  • [ 9 ] [Liang, Zihao]Zhongshan Publ Water Investment Co Ltd, Zhongshan 528403, Peoples R China
  • [ 10 ] [Liang, Qifeng]Zhongshan Publ Water Investment Co Ltd, Zhongshan 528403, Peoples R China
  • [ 11 ] [Peng, Yongzhen]Beijing Univ Technol, Beijing 100124, Peoples R China

Reprint Author's Address:

  • [Peng, Yongzhen]Beijing Univ Technol, Beijing 100124, Peoples R China;;

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Source :

BIORESOURCE TECHNOLOGY

ISSN: 0960-8524

Year: 2023

Volume: 393

1 1 . 4 0 0

JCR@2022

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 2

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