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Affecting factors and control strategies of the competition of phosphorus accumulating organisms (PAO) and glycogen accumulating organisms (GAO) in enhanced biological phosphorus removal (EBPR) process

  • Wende Tian
  • , Weiguang Li*
  • , Hui Zhang
  • , Zheng Yang
  • *Corresponding author for this work
  • Harbin Institute of Technology
  • Changchun Coal Design and Research Institute

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Glycogen accumulating organisms (GAO) compete the carbon substrates with phosphorus accumulating organisms (PAO), which potentially lead to the upsets and deterioration of the EBPR process performance. To optimize the EBPR activated sludge system effective and robust, the integrated affecting factors consisting of temperature, carbon sources, pH, other minor factors and their interaction effect should be focused on the competition of PAO and GAO in EBPR systems. To improve the EBPR system stable and reliable, the control approaches should be matched to favor development of PAO and to suppress GAO. Hence, the factors affecting the competition of PAO and GAO in EBPR activated sludge system and relevant implementation of control strategies are discussed in this paper.

Original languageEnglish
Title of host publication2010 2nd Conference on Environmental Science and Information Application Technology, ESIAT 2010
Pages626-628
Number of pages3
DOIs
StatePublished - 2010
Event2nd Conference on Environmental Science and Information Application Technology, ESIAT 2010 - Wuhan, China
Duration: 17 Jul 201018 Jul 2010

Publication series

Name2010 2nd Conference on Environmental Science and Information Application Technology, ESIAT 2010
Volume1

Conference

Conference2nd Conference on Environmental Science and Information Application Technology, ESIAT 2010
Country/TerritoryChina
CityWuhan
Period17/07/1018/07/10

Keywords

  • Affecting factors
  • Control strategies
  • EBPR
  • PAO-GAO competition

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