Color removal from Churchill River water using ozonation, sand filtration and carbon adsorption

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dc.contributor.authorBarsalou, Paulen_US
dc.date.accessioned2009-12-03T19:17:25Z
dc.date.available2009-12-03T19:17:25Z
dc.date.issued1990en_US
dc.degree.disciplineCivil Engineeringen_US
dc.degree.levelMaster of Science (M.Sc.)en_US
dc.description.abstractA water treatment process composed of an ozone reactor, a rapid sand filter and a granular activated carbon filter, was employed to reduce the color of Churchill's drinking water supply. Bench scale treatment tests were performed monthly over a 1 year period, while operating parameters such as ozone dosages and residence times were varied. In order to compare treatment efficiencies and to simulate conditions at the treatment facility in Churchill, testing was conducted at 25oC and at 4oC. Using the results from this study and an extensive literature review, it was concluded that ozone and a granular activated carbon filter reduce color to a greater degree than a carbon filter by itself. A reduction in temperature from 25oC to 4oC or a reduction in empty bed contact times from 20 minutes to 10 minutes in the filter were each shown to decrease the quality of the treatment effluent. This treatment train reduced the apparent color of the raw Churchill River water to below Canada's aesthetic objective limit of 15 color units, in all months except May.en_US
dc.format.extentvi, 137 leaves :en_US
dc.format.extent5770128 bytes
dc.format.mimetypeapplication/pdf
dc.identifierocm72779567en_US
dc.identifier.urihttp://hdl.handle.net/1993/3636
dc.language.isoengen_US
dc.rightsopen accessen_US
dc.rightsThe reproduction of this thesis has been made available by authority of the copyright owner solely for the purpose of private study and research, and may only be reproduced and copied as permitted by copyright laws or with express written authorization from the copyright owner.en_US
dc.titleColor removal from Churchill River water using ozonation, sand filtration and carbon adsorptionen_US
dc.typemaster thesisen_US
local.subject.manitobayesen_US
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