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Author:

Liang, Dong-Bo (Liang, Dong-Bo.) | Bian, Wei (Bian, Wei.) | Wang, Wen-Xiao (Wang, Wen-Xiao.) | Zhao, Qing (Zhao, Qing.) | Sun, Yi-Qi (Sun, Yi-Qi.) | Wu, Yao-Dong (Wu, Yao-Dong.) | Hou, Lian-Gang (Hou, Lian-Gang.) | Li, Jun (Li, Jun.)

Indexed by:

EI PKU CSCD

Abstract:

In order to study the formation of aerobic granular sludge and nutrients removal characteristics under low temperature, a sequencing batch reactor (SBR) has been operated at 15. The results showed that the mature AGS which have good performance of partial nitrification were obtained within 60days and nitrite accumulation rate (NAR) can achieve above 90% in stable operation stages. The picture of scanning electron microscopy (SEM) showed that AGS mainly consisted of short bacillus and cocci. The nutrients removal performance of AGS in different particlesizes R1(1.0~2.0mm), R2(2.0~3.0mm), and R3(above 3.0mm) were investigated by gas collector batch tests under 15. The nutrients removal performanceof R2 and R3 were better than R1 and their NAR were above 90%. The increase of particle size would affect mass transfer of substrate and then provide appropriate places for ammonium oxidizing bacteria (AOB), nitrite oxidizing bacteria (NOB) and denitrifying bacteria which are good for nitrification. The depth of DO in AGS was 600~700μm when the DO in the bulk water was 6~7mg/L at 15 through the determination of microelectrode. © 2019, Editorial Board of China Environmental Science. All right reserved.

Keyword:

Denitrification Microelectrodes Bacteria Temperature Nitration Silver Scanning electron microscopy Mass transfer Batch reactors Nutrients Granular materials Particle size Nitrification Bacteriology

Author Community:

  • [ 1 ] [Liang, Dong-Bo]National Engineering Laboratory of Urban Sewage Advanced Treatment and Resource Utilization Technology, College of Architecture and Civil Engineering of Beijing University of Technology, Beijing; 100124, China
  • [ 2 ] [Bian, Wei]National Energy Investment Group Co., Ltd., Beijing; 100011, China
  • [ 3 ] [Wang, Wen-Xiao]Beijing Enterprises Water Group Ltd., Beijing; 100024, China
  • [ 4 ] [Zhao, Qing]North China Municipal Engineering Design & Research Institute Co., Ltd., Tianjin; 300202, China
  • [ 5 ] [Sun, Yi-Qi]National Engineering Laboratory of Urban Sewage Advanced Treatment and Resource Utilization Technology, College of Architecture and Civil Engineering of Beijing University of Technology, Beijing; 100124, China
  • [ 6 ] [Wu, Yao-Dong]National Engineering Laboratory of Urban Sewage Advanced Treatment and Resource Utilization Technology, College of Architecture and Civil Engineering of Beijing University of Technology, Beijing; 100124, China
  • [ 7 ] [Hou, Lian-Gang]National Engineering Laboratory of Urban Sewage Advanced Treatment and Resource Utilization Technology, College of Architecture and Civil Engineering of Beijing University of Technology, Beijing; 100124, China
  • [ 8 ] [Li, Jun]National Engineering Laboratory of Urban Sewage Advanced Treatment and Resource Utilization Technology, College of Architecture and Civil Engineering of Beijing University of Technology, Beijing; 100124, China

Reprint Author's Address:

  • [li, jun]national engineering laboratory of urban sewage advanced treatment and resource utilization technology, college of architecture and civil engineering of beijing university of technology, beijing; 100124, china

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Source :

China Environmental Science

ISSN: 1000-6923

Year: 2019

Issue: 2

Volume: 39

Page: 634-640

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 3

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