Characterisation of oxygen dynamics within a high-rate algal pond system used to treat abattoir wastewater

As part of a study examining the efficacy of high-rate algal pond treatment of high-strength abattoir wastewater, the oxygen dynamics of a pilot scale system were characterised. The relationship between photosynthesis and irradiance was investigated using online data collected throughout a year of o...

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Bibliographic Details
Published in:Water science and technology 2003-01, Vol.48 (2), p.61-68
Main Authors: EVANS, R. A, FALLOWFIELD, H. J, CROMAR, N. J
Format: Article
Language:English
Subjects:
Abattoirs
Adaptation
Algae
Animals
Applied sciences
Automation
Biological and medical sciences
Biological treatment of waters
Biotechnology
Climate
Climate change
Dynamics
Environment and pollution
Environmental Monitoring
Eukaryota - physiology
Exact sciences and technology
Fundamental and applied biological sciences. Psychology
Industrial applications and implications. Economical aspects
Industrial wastewaters
Internet
Irradiance
Light intensity
Luminous intensity
Oxygen
Oxygen - metabolism
Photosynthesis
Pollution
Ponds
Waste Disposal, Fluid - methods
Wastewater
Wastewater treatment
Wastewaters
Water Pollutants - analysis
Water treatment and pollution
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Summary:As part of a study examining the efficacy of high-rate algal pond treatment of high-strength abattoir wastewater, the oxygen dynamics of a pilot scale system were characterised. The relationship between photosynthesis and irradiance was investigated using online data collected throughout a year of operation under varying conditions of climate and wastewater quality. Changes in climate were reflected in changes in the net rate of photosynthesis in deep ponds, consistent with adaptation of algal populations to changing light intensity, whilst the response of shallow ponds was more varied. The use of online monitoring and the calculation in real time of photosynthetic rates should allow for improved design and management of full scale treatment systems and further the understanding of factors driving biological reactions within these systems.
ISSN:0273-1223
1996-9732
DOI:10.2166/wst.2003.0085