4.1 Article

The characteristics of immobilized granular sludge in the laboratory-scale stable partial nitrification-Anammox aquaculture water reactors

Journal

JOURNAL OF WATER REUSE AND DESALINATION
Volume 6, Issue 3, Pages 445-453

Publisher

IWA PUBLISHING
DOI: 10.2166/wrd.2016.156

Keywords

anaerobic ammonium oxidation; immobilized granular sludge; microbiological characteristics; partial nitrification-Anammox reactor

Funding

  1. China Postdoctoral Science Foundation, China [2013M541620]
  2. Jiangsu Planned Projects for Postdoctoral Research Funds, China [1201016C]
  3. State Key Laboratory of Pollution Control and Resource Reuse project, China [PCRRF 11016]
  4. Jiangsu government scholarship for Overseas Studies and Cyanine Engineering of Backbone Teachers Project of Jiangsu Province of China [2014]
  5. water conservancy science and technology project of Yangzhou [201402]
  6. Hubei Key Laboratory of Industrial Fume and Dust Pollution Control, Jianghan University, Wuhan [HBIK2012-08]
  7. Science and Technology Cooperation Project of Sanya city [2014YD20]

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Immobilized granular sludge is of key importance for highly effective operation of partial nitrification and anaerobic ammonium oxidation (PN-Anammox) reactors. An observation and analysis on the composition of immobilized granular sludge in each reactor was conducted by using scanning electron microscopy (SEM) and fluorescence in situ hybridization. It was indicated that the diversity of microbial composition was significant among the PN and Anammox reactor. The result shows that the understanding of microbiological characteristics of immobilized granular sludge in PN and Anammox reactors is helpful for cultivating granular sludge, which ensures the effective operation of the reactor.

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