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作者:

Zhang, Jie (Zhang, Jie.) (学者:张杰) | Zhang, Yanhui (Zhang, Yanhui.) | Li, Dong (Li, Dong.) (学者:李冬) | Liang, Yuhai (Liang, Yuhai.) | Guan, Hongwei (Guan, Hongwei.) | Zhao, Shixun (Zhao, Shixun.)

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摘要:

To investigate different effects of anaerobic modes on recovery of partial nitrification (PN), two-stage continuous stirred-tank reactors (CSTR)1# and 2# were used at room temperature (20±2). The experiment had three stages (S1, 2 and S3). During S1, 1# was maintained anaerobic/anaerobic (DO: 0-0.1, 0-0.1 mg/L), 2# was maintained anaerobic/oxic (DO: 0-0.1, 0.6-0.8 mg/L). During S2, 1# was maintained oxic/oxic (DO: 0.2-0.4, 0.6-0.8 mg/L), 2# was continually maintained anaerobic/oxic (DO: 0-0.1, 0.6-0.8 mg/L). To investigate stability of PN after recovery, S3 was carried out. During S3, 1# and 2# was maintained oxic/oxic (DO: 1.0-1.2, 1.0-1.2 mg/L). The following paremeters (time of recovery of PN and stability of PN) were investigated. It demonstrated that the recovery time of 1# was shorter than that of 2# by 12 d. However, PN in 2# was more stable when DO increased to 1.0-1.2 mg/L. Efficient PN could be recovered by the mode of first anaerobic/anaerobic (DO: 0-0.1, 0-0.1 mg/L)then oxic/oxic (DO: 0.2-0.4, 0.6-0.8 mg/L). Afterwards, stable PN could be maintained by anaerobic/oxic (DO: 0-0.1, 0.6-0.8 mg/L). © 2017, Editorial Board of Journal of Harbin Institute of Technology. All right reserved.

关键词:

Chemical reactors Recovery Nitrification Tanks (containers)

作者机构:

  • [ 1 ] [Zhang, Jie]Key Laboratory of Beijing for Water Quality Science and Water Environment Recovery Engineering, Beijing University of Technology, Beijing; 100124, China
  • [ 2 ] [Zhang, Jie]State Key Laboratory of Urban Water Resource and Environment, Harbin Institute of Technology, Harbin; 150090, China
  • [ 3 ] [Zhang, Yanhui]Key Laboratory of Beijing for Water Quality Science and Water Environment Recovery Engineering, Beijing University of Technology, Beijing; 100124, China
  • [ 4 ] [Li, Dong]Key Laboratory of Beijing for Water Quality Science and Water Environment Recovery Engineering, Beijing University of Technology, Beijing; 100124, China
  • [ 5 ] [Liang, Yuhai]Key Laboratory of Beijing for Water Quality Science and Water Environment Recovery Engineering, Beijing University of Technology, Beijing; 100124, China
  • [ 6 ] [Guan, Hongwei]Key Laboratory of Beijing for Water Quality Science and Water Environment Recovery Engineering, Beijing University of Technology, Beijing; 100124, China
  • [ 7 ] [Zhao, Shixun]Key Laboratory of Beijing for Water Quality Science and Water Environment Recovery Engineering, Beijing University of Technology, Beijing; 100124, China

通讯作者信息:

  • 李冬

    [li, dong]key laboratory of beijing for water quality science and water environment recovery engineering, beijing university of technology, beijing; 100124, china

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来源 :

Journal of Harbin Institute of Technology

ISSN: 0367-6234

年份: 2017

期: 2

卷: 49

页码: 1-5

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