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

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 micr...

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Bibliographic Details
Published in:Journal of water reuse and desalination 2016-09, Vol.6 (3), p.445-453
Main Authors: Rong-rong, Liu, Chun-du, Wu, Xu-jie, Lu
Format: Article
Language:English
Subjects:
Ammonium
Ammonium compounds
Aquaculture
Bacteria
Biomass
Chemical oxygen demand
Composition
Effluents
Electron microscopy
Fluorescence
Fluorescence in situ hybridization
Laboratories
Microorganisms
Nitrification
Oxidation
Reactors
Scanning electron microscopy
Sludge
Zeolites
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Summary: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.
ISSN:2220-1319
2408-9370
DOI:10.2166/wrd.2016.156