Impact of Daily and Seasonal Variation of Raw Water Quality on Treatability: a Case of Gaba Complex

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dc.contributor.authorKiggundu, Nicholas
dc.contributor.authorCherotich, Sam
dc.contributor.authorBanadda, Noble
dc.contributor.authorKabenge, Isa
dc.contributor.authorOgaram, David
dc.date.accessioned2022-11-01T12:39:24Z
dc.date.available2022-11-01T12:39:24Z
dc.date.issued2016
dc.description.abstractConventional water treatment is constrained by factors such as variation in raw water quality, inefficient coagulation, use of inappropriate sand for filtration, and poor backwashing process among others. The objective of this study was to find out the impact of daily and seasonal variation of raw water quality on conventional water treatment through the jar testing process. Short filter run times as low as 12 h were experienced at Gaba complex requiring emergency backwashing. The short filter run times were envisaged to be resulting from the inability of the coagulation process to cope with the varying water quality. Generally, the pH of the water samples showed no significant (p>0.05) difference in both the dry and wet period. The water turbidity and colour were significantly (p<0.05) higher in the dry period compared to the wet period. The optimum alum dose (60 to 70 mg L-1) for each jar test showed up to 92% turbidity removal and complete colour removal. Variation in the raw water quality both daily and seasonally did not significantly (p>0.05) affect the amount of coagulant required for optimal water treatment. The short filter run times therefore, could be due to other factors to be investigated.en_US
dc.identifier.issn2349-4506
dc.identifier.urihttps://nru.uncst.go.ug/handle/123456789/5112
dc.language.isoenen_US
dc.publisherGlobal Journal of Engineering Science and Research Managementen_US
dc.subjectCoagulationen_US
dc.subjectDailyen_US
dc.subjectSeasonal variationsen_US
dc.subjectWater treatmenten_US
dc.subjectWater qualityen_US
dc.titleImpact of Daily and Seasonal Variation of Raw Water Quality on Treatability: a Case of Gaba Complexen_US
dc.typeArticleen_US
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