Partial nitrification using an electrolytic aerating bioreactor with ammonia-oxidizing bacteria-dominant activated sludge

An electrolytic aerating bioreactor was used to partially nitrify ammonia from wastewater. Activated sludge was cultured for 8 months to increase the population of ammonia-oxidizing bacteria (AOB) and then used in the bioreactor. The maximum ammonia removal rate was 0.64 mM NH₃/l h in a 50 ml reacto...

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Bibliographic Details
Published in:Biotechnology letters 2011-04, Vol.33 (4), p.699-703
Main Authors: Shin, Soojeong, Choi, Suk Soon, Yoo, Young Je
Format: Article
Language:English
Subjects:
Activated sludge
Aeration
Ammonia
Ammonia - chemistry
Ammonia removal
Ammonia-oxidizing bacteria
Applied Microbiology
Bacteria
Bacteria - metabolism
Biochemistry
Biological and medical sciences
Biomedical and Life Sciences
Bioreactors
Bioreactors - microbiology
Biotechnology
Electrolysis
Electrolytes
Electrolytic aeration
Fundamental and applied biological sciences. Psychology
Life Sciences
Membrane reactors
Methods. Procedures. Technologies
Microbiology
Nitrification
Original Research Paper
Oxidation-Reduction
Partial nitrification
population growth
Sewage - microbiology
Suspended solids
Various methods and equipments
Waste Disposal, Fluid - methods
Waste water
wastewater
Water treatment
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Summary:An electrolytic aerating bioreactor was used to partially nitrify ammonia from wastewater. Activated sludge was cultured for 8 months to increase the population of ammonia-oxidizing bacteria (AOB) and then used in the bioreactor. The maximum ammonia removal rate was 0.64 mM NH₃/l h in a 50 ml reactor using 5.4 g mixed liquor suspended solids per litre of AOB-dominant activated sludge.
ISSN:0141-5492
1573-6776
DOI:10.1007/s10529-010-0506-3