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Author:

Jia, Tong (Jia, Tong.) | Li, Xiyao (Li, Xiyao.) | Jiang, Hao (Jiang, Hao.) | Dan, Qiongpeng (Dan, Qiongpeng.) | Sui, Jun (Sui, Jun.) | Wang, Shuying (Wang, Shuying.) | Peng, Yongzhen (Peng, Yongzhen.)

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EI Scopus SCIE

Abstract:

A novel two-stage partial nitrification-anammox (PN-A) process was developed, achieving nitrogen removal from low carbon/nitrogen ratio municipal sewage under two typical operational modes and seasonal ambient temperatures. When complete nitritation-anammox was performed at temperatures greater than 19.4 °C, the effluent concentration of total inorganic nitrogen (TIN) was 4.1 mg/L, corresponding to a nitrogen removal efficiency (NRE) of 94.3 %. In contrast, when partial nitritation-anammox was performed at temperatures below 19.4 °C, the effluent TIN was 12.3 mg/L, corresponding to a NRE of 83.6 %. The relative abundance of Nitrosomonas and Nitrosomonadaceae increased from 0.02 % to 0.28 %, while Ca. Brocadia decreased from 1.85 % to 1.30 %, with the contribution of anammox to nitrogen removal being highest under low temperatures (19.4 to 13.8), at 59.0 %. This novel two-stage PN-A process provides a new approach for the stable operation of wastewater treatment plants (WWTPs) under low ambient temperatures. © 2022 Elsevier Ltd

Keyword:

Nitrogen removal Temperature Sewage Nitrification Wastewater treatment Effluents

Author Community:

  • [ 1 ] [Jia, Tong]National Engineering Laboratory for Advanced Municipal Wastewater Treatment and Reuse Technology, Engineering Research Center of Beijing, Beijing University of Technology, Beijing; 100124, China
  • [ 2 ] [Li, Xiyao]National Engineering Laboratory for Advanced Municipal Wastewater Treatment and Reuse Technology, Engineering Research Center of Beijing, Beijing University of Technology, Beijing; 100124, China
  • [ 3 ] [Jiang, Hao]National Engineering Laboratory for Advanced Municipal Wastewater Treatment and Reuse Technology, Engineering Research Center of Beijing, Beijing University of Technology, Beijing; 100124, China
  • [ 4 ] [Dan, Qiongpeng]National Engineering Laboratory for Advanced Municipal Wastewater Treatment and Reuse Technology, Engineering Research Center of Beijing, Beijing University of Technology, Beijing; 100124, China
  • [ 5 ] [Sui, Jun]Guangdong Shouhui Lantian Engineering and Technology Co. Ltd, China
  • [ 6 ] [Wang, Shuying]National Engineering Laboratory for Advanced Municipal Wastewater Treatment and Reuse Technology, Engineering Research Center of Beijing, Beijing University of Technology, Beijing; 100124, China
  • [ 7 ] [Peng, Yongzhen]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: 2022

Volume: 363

1 1 . 4

JCR@2022

1 1 . 4 0 0

JCR@2022

ESI Discipline: BIOLOGY & BIOCHEMISTRY;

ESI HC Threshold:43

JCR Journal Grade:1

CAS Journal Grade:1

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count: 6

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 5

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