Comparison of bench scale testing methods for nitrifier growth rate measurement

Comparison of bench scale testing methods for nitrifier growth rate measurement

The maximum specific nitrifier growth rate was determined for two wastewater treatment plants (WWTPs) using sequencing batch reactors (SBRs) and high F/M exponential growth batch tests. Higher nitrifier growth rates were obtained from the exponential growth batch tests. Operating SRT and aeration mo...

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Veröffentlicht in:Water science and technology 2002-01, Vol.46 (1-2), p.289-295
Hauptverfasser: Katehis, D, Fillos, J, Carrio, L A
Format: Artikel
Sprache:eng
Schlagworte:
Aeration
Anoxia
Bacteria, Aerobic - physiology
Batch reactors
Bioreactors
Calibration
Growth rate
Nitrogen - metabolism
Population Dynamics
Sewage - microbiology
Test procedures
Waste Disposal, Fluid
Wastewater
Wastewater treatment
Wastewater treatment plants
Water treatment plants
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Zusammenfassung:The maximum specific nitrifier growth rate was determined for two wastewater treatment plants (WWTPs) using sequencing batch reactors (SBRs) and high F/M exponential growth batch tests. Higher nitrifier growth rates were obtained from the exponential growth batch tests. Operating SRT and aeration mode (fully aerobic versus anoxic/aerobic) significantly impacted the nitrifier's growth rate in the SBRs with lower SRT and anoxic/aerobic operation resulting in higher specific nitrifier growth rates.
ISSN:0273-1223
1996-9732
DOI:10.2166/wst.2002.0491