Rapid automated detection of nitrification kinetics using respirometry

There is no doubt that respirometry is a useful measurement principle in the field of wastewater treatment. Although a large variety of methods and case studies have been published, respirometry has become neither a standard tool for control nor for assessment and optimisation of treatment plants. d...

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Bibliographic Details
Published in:Water science and technology 2003, Vol.47 (2), p.149-155
Main Authors: LANGERGRABER, G, WUCHTY, M, FLEISCHMANN, N, LECHNER, M
Format: Article
Language:English
Subjects:
Accuracy
Ammonia
Applied sciences
Automation
Biological and medical sciences
Biological treatment of waters
Biotechnology
Case studies
Detection
Environment and pollution
Environmental Monitoring - methods
Exact sciences and technology
Experiments
Fundamental and applied biological sciences. Psychology
General purification processes
Industrial applications and implications. Economical aspects
Kinetics
Measurement
Nitrification
Nitrogen - metabolism
Oxygen - metabolism
Pollution
Respiration
Respirometry
Response time
Sensors
Sewage - chemistry
Sludge
Transmitters
Waste Disposal, Fluid
Wastewater
Wastewater treatment
Wastewaters
Water treatment
Water treatment and pollution
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Summary:There is no doubt that respirometry is a useful measurement principle in the field of wastewater treatment. Although a large variety of methods and case studies have been published, respirometry has become neither a standard tool for control nor for assessment and optimisation of treatment plants. drawback of the conventional method for determining nitrification kinetics is the long experimental time. This disadvantage can be avoided by "turning over" the experiment. Starting with low ammonia concentrations the steep slope of the Monod curve is measured first. The low concentration branch of the Monod curve is also the part where e.g. inhibition can be detected. Therefore the proposed procedure allows us to speed up the measurement of nitrification kinetics and to measure nitrification inhibition on-line.
ISSN:0273-1223
1996-9732
DOI:10.2166/wst.2003.0108