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Author:

Zheng, Zhaoming (Zheng, Zhaoming.) | Li, Jun (Li, Jun.) | Wang, Changwen (Wang, Changwen.)

Indexed by:

EI Scopus SCIE PubMed

Abstract:

The rapid cultivation strategy of aerobic granular sludge (AGS) for simultaneous phenol degradation and ammonium oxidation was studied in a sequence batch reactor (SBR). The short-term inhibitory kinetics of phenol was studied through batch experiments. For the sodium acetate fed AGS, the phenol inhibition constants (Ki) of specific oxygen utilization rate by heterotrophic bacteria (SOURh) was 508.6 mg/L. The Ki of specific ammonium utilization rate (SAUR) was 232.3 mg/L. After 28 days' acclimatization, the phenol and NH4+-N removal rates of the SBR reached 94.0% and 96.4% when the influent phenol and NH4+-N concentrations were 1000 and 33.5 mg/ L, respectively. The phenol removal loading rate was 1.69 kg/(m(3).d). For the mature phenol&ammonium degrading AGS, the polysaccharide (PS) and protein (PN) concentrations were 247.4 +/- 10.3 and 68.6 +/- 6.5 mg/g VSS, respectively. The functional groups analysis showed that the amount of -OH, -NH, -C=O and -C=C groups remained unchanged in the mature phenol&ammonium degrading AGS.

Keyword:

Extracellular polymeric substance Wastewater treatment Aerobic granular sludge High phenol concentration Kinetic analysis

Author Community:

  • [ 1 ] [Zheng, Zhaoming]Beijing Univ Technol, Natl Engn Lab Wastewater Treatment Technol, Beijing 100124, Peoples R China
  • [ 2 ] [Li, Jun]Beijing Univ Technol, Natl Engn Lab Wastewater Treatment Technol, Beijing 100124, Peoples R China
  • [ 3 ] [Wang, Changwen]Beijing Univ Technol, Natl Engn Lab Wastewater Treatment Technol, Beijing 100124, Peoples R China

Reprint Author's Address:

  • [Li, Jun]Beijing Univ Technol, Natl Engn Lab Wastewater Treatment Technol, Beijing 100124, Peoples R China

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Source :

BIORESOURCE TECHNOLOGY

ISSN: 0960-8524

Year: 2021

Volume: 325

1 1 . 4 0 0

JCR@2022

ESI Discipline: BIOLOGY & BIOCHEMISTRY;

ESI HC Threshold:84

JCR Journal Grade:1

Cited Count:

WoS CC Cited Count: 20

SCOPUS Cited Count: 24

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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