Kinetics, diffusional limitation and microscale distribution of chemistry and organisms in a CANON reactor

In the Completely Autotrophic Nitrogen removal Over Nitrite (CANON) process, aerobic and anaerobic ammonia oxidizing bacteria cooperate to remove ammonia in one oxygen-limited reactor. Kinetic studies, microsensor analysis, and fluorescence in situ hybridization on CANON biomass showed a partial dif...

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Veröffentlicht in:	FEMS microbiology ecology 2005, Vol.51 (2), p.247-256
Hauptverfasser:	Nielsen, Michael, Bollmann, Annette, Sliekers, Olav, Jetten, Mike, Schmid, Markus, Strous, Marc, Schmidt, Ingo, Larsen, Lars Hauer, Nielsen, Lars Peter, Revsbech, Niels Peter
Format:	Artikel
Sprache:	eng
Schlagworte:	Aerobiosis Aggregates Ammonia Ammonia - metabolism Anaerobic processes Anaerobiosis Anammox Bacteria, Aerobic - metabolism Bacteria, Anaerobic - metabolism Bacteriology Biological and medical sciences Bioreactors - microbiology CANON Diffusion Diffusional limitation Ecology Flow rates Flow velocity Fluorescence Fluorescence in situ hybridization Fundamental and applied biological sciences. Psychology Kinetics Microbiology Microscale distribution Miscellaneous Nitrification Nitrites - metabolism Nitrogen removal Organic chemistry Oxidation Oxidation-Reduction Oxygen Oxygen - metabolism Reaction kinetics Reactors
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Zusammenfassung:	In the Completely Autotrophic Nitrogen removal Over Nitrite (CANON) process, aerobic and anaerobic ammonia oxidizing bacteria cooperate to remove ammonia in one oxygen-limited reactor. Kinetic studies, microsensor analysis, and fluorescence in situ hybridization on CANON biomass showed a partial differentiation of processes and organisms within and among aggregates. Under normal oxygen-limited conditions (∼5 μM O 2), aerobic ammonia oxidation (nitrification) was restricted to an outer shell (500 μm) accounted for 68% of the anammox potential whereas 65% of the nitrification potential was found in the smaller aggregates (
ISSN:	0168-6496 1574-6941
DOI:	10.1016/j.femsec.2004.09.003