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[期刊论文]

Improving municipal wastewater nitrogen and phosphorous removal by feeding sludge fermentation products to sequencing batch reactor (SBR)

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Author:

Yuan, Yue (Yuan, Yue.) | Liu, Jinjin (Liu, Jinjin.) | Ma, Bin (Ma, Bin.) | Unfold

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Abstract:

This study presents a novel strategy to improve the removal efficiency of nitrogen and phosphorus from municipal wastewater by feeding sequencing batch reactor (SBR) with sludge alkaline fermentation products as carbon sources. The performances of two SBRs treating municipal wastewater (one was fed with sludge fermentation products; F-SBR, and the other without sludge fermentation products; B-SBR) were compared. The removal efficiencies of total nitrogen (TN) and phosphorus (PO43-P) were found to be 82.9% and 96.0% in F-SBR, while the corresponding values in B-SBR were 55.9% (TN) and -6.1% (PO43 - P). Illumina MiSeq sequencing indicated that ammonium-oxidizing bacteria (Nitrosomonadaceae and Nitrosomonas) and denitrifying polyphosphate accumulating organisms (Dechloromonas) were enriched in F-SBR, which resulted in NO2-N accumulation and denitrifying phosphorus removal via nitrite (DPRN). Moreover, feeding of sludge fermentation products reduced 862.1 mg VSS/d of sludge in the F-SBR system (volume: 10 L). (C) 2016 Elsevier Ltd. All rights reserved.

Keyword:

Nitrogen and phosphorous removal Sludge reduction Sludge fermentation products Municipal wastewater Bacterial community

Author Community:

  • [ 1 ] [Yuan, Yue]Beijing Univ Technol, Engn Res Ctr Beijing, Natl Engn Lab Adv Municipal Wastewater Treatment, Beijing 100124, Peoples R China
  • [ 2 ] [Liu, Jinjin]Beijing Univ Technol, Engn Res Ctr Beijing, Natl Engn Lab Adv Municipal Wastewater Treatment, Beijing 100124, Peoples R China
  • [ 3 ] [Ma, Bin]Beijing Univ Technol, Engn Res Ctr Beijing, Natl Engn Lab Adv Municipal Wastewater Treatment, Beijing 100124, Peoples R China
  • [ 4 ] [Liu, Ye]Beijing Univ Technol, Engn Res Ctr Beijing, Natl Engn Lab Adv Municipal Wastewater Treatment, Beijing 100124, Peoples R China
  • [ 5 ] [Wang, Bo]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

Reprint Author's Address:

  • 彭永臻

    [Peng, Yongzhen]Beijing Univ Technol, Engn Res Ctr Beijing, Natl Engn Lab Adv Municipal Wastewater Treatment, Beijing 100124, Peoples R China

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Source :

BIORESOURCE TECHNOLOGY

ISSN: 0960-8524

Year: 2016

Volume: 222

Page: 326-334

1 1 . 4 0 0

JCR@2022

ESI Discipline: BIOLOGY & BIOCHEMISTRY;

ESI HC Threshold:238

CAS Journal Grade:1

Cited Count:

WoS CC Cited Count: 86

SCOPUS Cited Count: 97

30 Days PV: 4

Online/Total:179/5831080
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