Biogeochemical and engineering characteristics of soils and groundwater around a dumpsite

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dc.contributor.authorOdukoya, A.M
dc.contributor.authorOresanya, O
dc.contributor.authorAbimbola, A.F
dc.date.accessioned2019-09-09T16:54:36Z
dc.date.available2019-09-09T16:54:36Z
dc.date.issued2013
dc.description.abstractAn active dumpsite in Lagos south-western Nigeria was monitored to test natural attenuation efficiency in reducing contaminants by determining soil and groundwater biogeochemical and engineering properties within and around the site. From the Casagrande Plasticity Chart, the soil could be classified as clay or silt having intermediate to high plasticity; unsaturated zone thickness was 10-20m and permeability was low (1.96x10-5 to 41.8x10-5 m/s). Appropriate microorganisms, such as bacteria, viruses and fungi which are required for natural attenuation, were naturally present. Nutrients such as calcium, copper, magnesium, manganese, potassium, sodium and zinc, as well as electron donor (organic carbon) and electron acceptor (oxygen, nitrate, sulphate and iron), were also present in various amounts for effective natural attenuation. All the parameters analysed in water samples came within Environmental Protection Agency standards, except Fe, Na, Cl, NO3 , Al, Ba, Ni, total bacteria and total fungi. Phenol and total viral count were not detected in the two boreholes studied, but they showed values as high as 10,000 MPN/100ml and 230 CFU/100ml, respectively, in leachate. The concentration of contaminants in the soil was very high and inversely proportional to depth.en_US
dc.identifier.citationOdukoya, A. M., Oresanya, O., & Abimbola, A. F. (2013). Biogeochemical and engineering characteristics of soils and groundwater around a dumpsite. Earth Sciences Research Journal, 17(1), 53-60.en_US
dc.identifier.urihttps://ir.unilag.edu.ng/handle/123456789/5418
dc.language.isoenen_US
dc.publisherEarth Sciences Research Journalen_US
dc.subjectleachateen_US
dc.subjectnatural attenuationen_US
dc.subjectnutrienten_US
dc.subjectcontaminanten_US
dc.subjectelectron donoren_US
dc.titleBiogeochemical and engineering characteristics of soils and groundwater around a dumpsiteen_US
dc.typeArticleen_US
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