The effect of ferric-based chemical phosphorus removal dosing location on downstream liquid and solid stream processes

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dc.contributor.authorDaniel, Leah
dc.contributor.examiningcommitteeSears, Keith (Civil Engineering)
dc.contributor.examiningcommitteeYuan, Qiuyan (Civil Engineering)
dc.contributor.supervisorOleszkiewicz, Jan
dc.date.accessioned2024-03-27T17:13:22Z
dc.date.available2024-03-27T17:13:22Z
dc.date.issued2024-03-26
dc.date.submitted2024-03-27T02:21:59Zen_US
dc.degree.disciplineCivil Engineeringen_US
dc.degree.levelMaster of Science (M.Sc.)
dc.description.abstractThe research investigates the impact of ferric-based chemical phosphorus removal dosing locations on the processes of downstream liquid and solid streams in wastewater treatment. It examines how different dosing points affect sludge production, secondary treatment performance, ultraviolet (UV) disinfection efficiency, digestibility and dewaterability of chemical sludge. Through benchscale testing of various dosing scenarios, the study aims to determine the optimal dosing location that meets phosphorus removal goals while minimizing adverse effects on treatment downstream processes. It was found that sludge production increased by 20 percent and 11 percent for chemically enhanced primary treatment and chemical phosphorus removal in secondary treatment, respectively, to achieve an estimated final effluent total phosphorus of 2.5 mg L-1. It was also found that increasing ferric chloride dosing prior to digestion, chemically enhanced primary treatment (CEPT), or chemical phosphorus removal in secondary treatment does not significantly affect downstream processes. This research is crucial for wastewater treatment facilities looking to meet regulatory phosphorus limits efficiently without compromising the performance of the existing treatment process.
dc.description.noteMay 2024
dc.identifier.urihttp://hdl.handle.net/1993/38090
dc.language.isoeng
dc.rightsopen accessen_US
dc.subjectchemical phosphorus removal
dc.subjectferric chloride
dc.subjectbenchscale testing
dc.subjectwastewater treatment
dc.subjectnutrient removal
dc.subjectNEWPCC
dc.titleThe effect of ferric-based chemical phosphorus removal dosing location on downstream liquid and solid stream processes
dc.typemaster thesisen_US
local.subject.manitobayes
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