Dynamic variation of supernatant quality in a dairy shed waste stabilisation pond system

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dc.contributor.author Fyfe, Julian en_US
dc.contributor.author Sivakumar, Siva en_US
dc.contributor.author Miller, Sandra en_US
dc.contributor.author Jenkins, Arthur en_US
dc.contributor.editor en_US
dc.date.accessioned 2010-05-28T09:48:29Z
dc.date.available 2010-05-28T09:48:29Z
dc.date.issued 2007 en_US
dc.identifier 2009000569 en_US
dc.identifier.citation Fyfe Julian et al. 2007, 'Dynamic variation of supernatant quality in a dairy shed waste stabilisation pond system', IWA Publishing, vol. 55, no. 11, pp. 245-255. en_US
dc.identifier.issn 0273-1223 en_US
dc.identifier.other C1UNSUBMIT en_US
dc.identifier.uri http://hdl.handle.net/10453/9265
dc.description.abstract An intensive monitoring program of a standard two-stage dairy shed waste stabilisation pond system was undertaken to determine the incidence and extent of spatial and temporal variation of basic physio-chemical parameters, and to shed light on the longer term dynamic nature of in-pond conditions. The anaerobica??facultative pond system, located in a remote rural area, treats wastewater from the hosing down and hydraulic flushing of the milking parlour and holding yard at the farm dairy shed. A number of multi-parameter water quality field monitoring probes were permanently deployed at various locations within the two ponds to enable continuous measurement of temperature, pH, conductivity and dissolved oxygen. In addition, profiling of the supernatant of both ponds was undertaken at different times of the year to examine vertical variation of the same parameters. Continuous monitoring revealed spatial homogeneity in EC and pH levels in the upper metre of both ponds. Physio-chemical parameters also appear to change uniformly across the ponds in response to external stimuli such as rainfall. Neither pond, however, exhibits homogeneity down the profile of the supernatant. Seasonal stratification is prevalent in the facultative pond suggesting poor vertical mixing, while the anaerobic pond is notably affected by sludge accumulation. A long-term pattern of rising conductivity in both ponds indicated accumulation of dissolved salt species in the system due to recirculation of reclaimed effluent for hydraulic flushing of the dairy shed. In the facultative pond, diurnal fluctuations in dissolved oxygen, oxidation-reduction potential and turbidity during warmer months of the year closely followed temperature swings. The extensive data collected in this study provides a detailed picture of the physio-chemical dynamics of two-stage stabilisation pond systems treating dairy shed wastewater. en_US
dc.language en_US
dc.publisher IWA Publishing en_US
dc.relation.hasversion Accepted manuscript version
dc.relation.isbasedon http://dx.doi.org/10.2166/wst.2007.338 en_US
dc.rights ©IWA Publishing 2007. The definitive peer-reviewed and edited version of this article is published in Water Science & Technology Vol 55 No 11 pp 245–255 © IWA Publishing 2007 doi: http://dx.doi.org/10.2166/wst.2007.338 and is available at www.iwapublishing.com."
dc.title Dynamic variation of supernatant quality in a dairy shed waste stabilisation pond system en_US
dc.parent Water Science And Technology en_US
dc.journal.volume 55 en_US
dc.journal.number 11 en_US
dc.publocation London, UK en_US
dc.identifier.startpage 245 en_US
dc.identifier.endpage 255 en_US
dc.cauo.name DVCRch.Institute for Sustainable Futures en_US
dc.conference Verified OK en_US
dc.for 099900 en_US
dc.personcode 103142 en_US
dc.personcode 0000024532 en_US
dc.personcode 100482 en_US
dc.personcode 0000052573 en_US
dc.percentage 100 en_US
dc.classification.name Other Engineering en_US
dc.classification.type FOR-08 en_US
dc.edition en_US
dc.custom en_US
dc.date.activity en_US
dc.location.activity en_US
dc.description.keywords Anaerobic ponds; dairy shed wastes; dynamic variation; facultative ponds; profiling en_US

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