An Evaluation of Treatment Options for Dairy Farm Wastewaters: Filtration, Aeration, Constructed Wetlands

dc.contributor.advisorGordon, Robert
dc.contributor.advisorKinsley, Christopher
dc.contributor.authorBromley, Heather
dc.date.accessioned2015-09-09T20:00:33Z
dc.date.available2015-09-09T20:00:33Z
dc.date.copyright2015-08
dc.date.created2015-08-27
dc.date.issued2015-09-09
dc.degree.departmentSchool of Environmental Sciencesen_US
dc.degree.grantorUniversity of Guelphen_US
dc.degree.nameMaster of Scienceen_US
dc.degree.programmeEnvironmental Scienceen_US
dc.description.abstractAgricultural wastewaters are highly concentrated with contaminants. Economical, efficient solutions for managing and disposing of agricultural wastewaters are soon to be required by Ontario legislation. A constructed wetland was assessed on its treatment of dairy milk house washwater. Effluent water quality evaluations revealed BOD5 concentration reductions of 90% during the summer and 82% during the winter. The seasonal TSS removals were 83% during the summer and 79% during the winter. Bench scale column tests determined that intermittent sand filters with gravel caps are appropriate pre-treatment options. The sand columns removed 72% of TSS, and 54% of COD content. The gravel filter columns removed 56% of TSS and 43% of COD content. Complete mix aeration reactors were examined for their efficiency in the removal of COD and nutrients from different types of dairy farm wastewaters. All reactors produced high quality effluent, and first order kinetic rate constants were determined.en_US
dc.description.sponsorshipOntario Ministry of Agriculture, Food and Rural Affairs
dc.description.sponsorshipDairy Farmers of Canada
dc.description.sponsorshipRideau Valley Conservation Authority
dc.description.sponsorshipEastern Ontario Water Resources Committee
dc.description.sponsorshipAgricultural Adaptation Council
dc.identifier.urihttp://hdl.handle.net/10214/9202
dc.language.isoenen_US
dc.publisherUniversity of Guelphen_US
dc.rights.licenseAll items in the Atrium are protected by copyright with all rights reserved unless otherwise indicated.
dc.subjectconstructed wetlanden_US
dc.subjectdairy farm wastewateren_US
dc.subjectmilk house washwateren_US
dc.titleAn Evaluation of Treatment Options for Dairy Farm Wastewaters: Filtration, Aeration, Constructed Wetlandsen_US
dc.typeThesisen_US

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