Wastewater characterization and management in Ontario's food processing sector

dc.contributor.advisorFarahbakhsh, Khosrow
dc.contributor.authorLong, Zebo
dc.date.accessioned2021-01-26T15:14:20Z
dc.date.available2021-01-26T15:14:20Z
dc.date.copyright2008
dc.degree.departmentSchool of Engineeringen_US
dc.degree.grantorUniversity of Guelphen_US
dc.degree.nameMaster of Scienceen_US
dc.description.abstractResearch was undertaken to characterize raw wastewater, effluent and sludge, and assessed wastewater treatment systems in Ontario's food industry, that discharge wastewater directly to surface water or land. Samples from 48 sampling points in 12 plants were collected seasonally for a whole year and were analyzed for up to 234 parameters. About 45,000 data points were obtained. Two Access databases were built for the data management. Systematic statistical methodologies were developed for the data analysis, including box plot, dot diagram, Levene's test, and one-way ANOVA. Based on intensive data analysis, a comprehensive characterization of raw wastewater, effluent and sludge is presented. The results and corresponding explanations provide a basis for best management practices in Ontario's food processing sector. For example, the leakage of milk and milk products is the main reason for the high levels of pollutants such as TKN in dairy wastewater. Potential measures for the improvement of wastewater treatment systems of certain plants are provided. A good example is that increasing aeration could reduce the concentration of ammonia in the effluent from some plants.en_US
dc.identifier.urihttps://hdl.handle.net/10214/24028
dc.language.isoen
dc.publisherUniversity of Guelphen_US
dc.rights.licenseAll items in the Atrium are protected by copyright with all rights reserved unless otherwise indicated.
dc.subjectraw wastewateren_US
dc.subjecteffluenten_US
dc.subjectsludgeen_US
dc.subjectwastewater treatment systemsen_US
dc.subjectOntarioen_US
dc.subjectfood industryen_US
dc.subjectdischarge wastewateren_US
dc.subjectsurface wateren_US
dc.subjectlanden_US
dc.titleWastewater characterization and management in Ontario's food processing sectoren_US
dc.typeThesisen_US

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