On-line Monitoring for Phosphorus Removal Process and Bacterial Community in Sequencing Batch Reactor

›› 2009, Vol. 17 ›› Issue (3): 484-492.

On-line Monitoring for Phosphorus Removal Process and Bacterial Community in Sequencing Batch Reactor

崔有为¹, 王淑莹¹, 李晶²

1. Key Laboratory of Beijing for Water Quality Science and Water Environment Recovery Engineering, Beijing University of Technology, Beijing 100124, China;
2. China Aeronautical Project and Design Institute, Beijing 100011, China

收稿日期:2008-09-04 修回日期:2009-04-09 出版日期:2009-06-28 发布日期:2009-06-28
通讯作者: WANG Shuying,E-mail:wsy@bjut.edu.cn
基金资助:
Supported by the Project of Scientific Research Base and Scientific Innovation Platform of Beijing Municipal Education Com-mission (PXM2008_014204_050843);the National Natural Science Foundation of China (50808004);the Doctoral Startup Research Program of Beijing University of Technology

On-line Monitoring for Phosphorus Removal Process and Bacterial Community in Sequencing Batch Reactor

CUI Youwei¹, WANG Shuying¹, LI Jing²

1. Key Laboratory of Beijing for Water Quality Science and Water Environment Recovery Engineering, Beijing University of Technology, Beijing 100124, China;
2. China Aeronautical Project and Design Institute, Beijing 100011, China

Received:2008-09-04 Revised:2009-04-09 Online:2009-06-28 Published:2009-06-28
Supported by:
Supported by the Project of Scientific Research Base and Scientific Innovation Platform of Beijing Municipal Education Com-mission (PXM2008_014204_050843);the National Natural Science Foundation of China (50808004);the Doctoral Startup Research Program of Beijing University of Technology

摘要/Abstract

摘要： For efficient energy consumption and control of effluent quality, the cycle duration for a sequencing batch reactor (SBR) needs to be adjusted by real-time control according to the characteristics and loading of wastewater. In this study, an on-line information system for phosphorus removal processes was established. Based on the analysis for four systems with different ecological community structures and two operation modes, anaerobic-aerobic process and anaerobic-anaerobic process, the characteristic patterns of oxidation-reduction potential (ORP) and pH were related to phosphorous dynamics in the anaerobic, anoxic and aerobic phases, for determination of the end of phosphorous removal. In the operation mode of anaerobic-aerobic process, the pH profile in the anaerobic phase was used to estimate the relative amount of phosphorous accumulating organisms (PAOs) and glycogen accumulating organisms (GAOs), which is beneficial to early detection of ecology community shifts. The on-line sensor values of pH and ORP may be used as the parameters to adjust the duration for phosphorous removal and community shifts to cope with influent variations and maintain appropriate operation conditions.

关键词: on-line monitoring, phosphorus removal, sequencing batch reactor, pH, oxidation-reduction potential

Abstract: For efficient energy consumption and control of effluent quality, the cycle duration for a sequencing batch reactor (SBR) needs to be adjusted by real-time control according to the characteristics and loading of wastewater. In this study, an on-line information system for phosphorus removal processes was established. Based on the analysis for four systems with different ecological community structures and two operation modes, anaerobic-aerobic process and anaerobic-anaerobic process, the characteristic patterns of oxidation-reduction potential (ORP) and pH were related to phosphorous dynamics in the anaerobic, anoxic and aerobic phases, for determination of the end of phosphorous removal. In the operation mode of anaerobic-aerobic process, the pH profile in the anaerobic phase was used to estimate the relative amount of phosphorous accumulating organisms (PAOs) and glycogen accumulating organisms (GAOs), which is beneficial to early detection of ecology community shifts. The on-line sensor values of pH and ORP may be used as the parameters to adjust the duration for phosphorous removal and community shifts to cope with influent variations and maintain appropriate operation conditions.

Key words: on-line monitoring, phosphorus removal, sequencing batch reactor, pH, oxidation-reduction potential

崔有为, 王淑莹, 李晶. On-line Monitoring for Phosphorus Removal Process and Bacterial Community in Sequencing Batch Reactor[J]. , 2009, 17(3): 484-492.

CUI Youwei, WANG Shuying, LI Jing. On-line Monitoring for Phosphorus Removal Process and Bacterial Community in Sequencing Batch Reactor[J]. , 2009, 17(3): 484-492.

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On-line Monitoring for Phosphorus Removal Process and Bacterial Community in Sequencing Batch Reactor

On-line Monitoring for Phosphorus Removal Process and Bacterial Community in Sequencing Batch Reactor

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