Improving understanding of the chemical and biological nutrient removal mechanisms in existing wastewater lagoons

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dc.contributor.authorVendramelli, Richard Adam
dc.contributor.examiningcommitteeOleszkiewicz, Jan (Civil Enginerring) Zvomuya, Francis (Soil Science)en_US
dc.contributor.supervisorYuan, Qiuyan (Civil Engineering)en_US
dc.date.accessioned2016-06-24T16:42:55Z
dc.date.available2016-06-24T16:42:55Z
dc.date.issued2016
dc.degree.disciplineCivil Engineeringen_US
dc.degree.levelMaster of Science (M.Sc.)en_US
dc.description.abstractMany rural communities in Manitoba use wastewater lagoons to treat sewage, but the nutrient removal process is not fully understood. This thesis’ purpose is to improve understanding of chemical and biological nutrient removal mechanisms of wastewater lagoon treatment and compare two different stabilization ponds – one aerated and one facultative. Samples were collected from stabilization ponds and analysed for a pond average. The facultative lagoon achieved overall ammonia-N removals similar to those of the aerated lagoon, and lower orthophosphate removals. Nitrogen appears to be removed by ammonia volatilization; and assimilation into biomass. Phosphorus appears to be removed by assimilation into biomass; and precipitation at alkaline pH. There appears to be nitrogen limiting conditions in the secondary cells of both stabilization systems based on nitrogen-phosphorus ratios. There does not appear to be any significant advantage between aerated or facultative lagoons; they will meet their ammonia limits, but will require additional phosphorus treatment.en_US
dc.description.noteOctober 2016en_US
dc.identifier.urihttp://hdl.handle.net/1993/31509
dc.language.isoengen_US
dc.rightsopen accessen_US
dc.subjectPhosphorus removalen_US
dc.subjectwastewateren_US
dc.subjectstabilization pondsen_US
dc.subjectlagoon wastewateren_US
dc.subjectnitrogen removalen_US
dc.titleImproving understanding of the chemical and biological nutrient removal mechanisms in existing wastewater lagoonsen_US
dc.typemaster thesisen_US
local.subject.manitobayesen_US
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