Assessment of Heavy Metals and Organic Compounds in Water and Leachate from Aba- Eku Municipal Solid Waste Site in Ibadan, Oyo State, Nigeria.

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dc.contributor.authorMorolake Oluwatoyosi AFOLABI
dc.date.accessioned2024-06-11T10:31:49Z
dc.date.available2024-06-11T10:31:49Z
dc.date.issued2023-12
dc.description.abstractIncrease in waste generation, resulting from population growth, has led to a burden on global health. Physico-chemical, organic analysis, and leachate pollution index analysis were conducted on the water samples from Aba Eku dumpsite (latitudes 3°35'N and 4°10'N and longitudes 7°2'E and 7°40'E.). Relationships among various parameters were also analysed using correlation coefficients (r) and significance levels (p values). Water samples revealed high concentrations of physico-chemical parameters, heavy metals, also Polyaromatic hydrocarbons (PAHs), and phthalate esters were present. Notably, the dumpsite exhibited highest concentration of naphthalene among all the PAHs. These findings indicate that the landfill site is polluted with PAH and phthalate compounds. Significant relationships among parameters were observed, including a strong negative correlation between pH and both BOD (r = -0.932) and dissolved oxygen (r = -0.912). Total dissolved solids showed significant positive associations with chloride (r = 0.977, p < 0.05), total hardness (r = 0.889), sulphate (r = 0.955, p < 0.05), and phosphate (r = 0.836). BOD exhibited a strong positive correlation with dissolved oxygen (r = 0.984, p < 0.05) and NO-3 (r = 0.742), while chloride demonstrated significant positive correlations with total hardness (r = 0.942), sulphate (r = 0.994, p < 0.01), and phosphate (r =0.796). Significant differences (P < 0.001) were found between leachate and 300m location, leachate and 600m location, as well as leachate and the river location. No significant differences (P > 0.05) were detected among other locations. Leachate pollution index (LPI) values of water samples around the dumpsite ranged from 5.558 to 7.683, indicating slight contamination from heavy metals. The pollution from the landfill site, and surface runoff, poses a significant risk to quality of both underground water and river. Urgent remediation, waste management strategies should be implemented to mitigate the pollution. Keywords: Leachates, Heavy Metals, Leachate Pollution Index, Physicochemical Parameters. Word Count: 300
dc.identifier.otherM.Sc
dc.identifier.urihttps://repository.lcu.edu.ng/handle/123456789/495
dc.language.isoen
dc.publisherLead City University
dc.relation.ispartofseriesM.Sc
dc.subjectLeachates
dc.subjectHeavy Metals
dc.subjectLeachate Pollution Index
dc.subjectPhysicochemical Parameters.
dc.titleAssessment of Heavy Metals and Organic Compounds in Water and Leachate from Aba- Eku Municipal Solid Waste Site in Ibadan, Oyo State, Nigeria.
dc.typeThesis

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