Scholarly work in the Department of Indstrial Chemistry

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Browsing Scholarly work in the Department of Indstrial Chemistry by Author "Faboyede Adekemi Omolayo"

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    Extent of Industrial Accumulation of Poly-Substituted Organic Biphenyl Pollutants in Soil, Plant and Water Bodies in Agbara Industrial Area in Ogun State Nigeria
    (International Journal of Multidisciplinary Research, 2017) Folawewo Abayomi David; Madu Alexander Nnamdi; Faboyede Adekemi Omolayo; Njoku Michael Ikechukwu; Bankole F. O
    The level of poly-substituted organic biphenyl pollutants in the surrounding soils, plant and water bodies in Agbara Industrial area has been investigated and results show that the concentration of poly-substituted biphenyls were highest in the sewage and amounted to over 1.80 μg/L and closely followed by the sample from the lagoon having over 1.60 μg/L. The concentrations of the pollutants in the drainages fall within 1.20 μg/L to 1.30 μg/L. These values however show that the drainages form the route of the pollutants from neighboring industries while the lagoon and sewage form the receptacles and storage facility where they accumulate. The action limit for PCBs in sewage is 0.005 mg/L or 5.0μg/L. This shows that the sewage has PCBs level up to 36 % of the action limit. The PCBs obtained in the soils had the initial sample exceeding 5.6 x 102 μg/Kg or 0.56 mg/Kg amounting to 5.615 % of the action limit of 10 mg/Kg while the least sample had values exceeding 4.67 mg/Kg amounting to 4.7 % of the action limit. The plant samples analyzed accordingly had high values of 2.53 x 10-1 ng/Kg and lower values 1.161 x 10-1 ng/Kg amounting to 7.44 % and 4.74 % respectively of the action limit of 3.40 ng/Kg.
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    Physico-Chemical Properties of Wastewater within Agbara and Impact on Ologe Lagoon, Lagos.
    (The Pacific Journal of Science and Technology, 2017-05) Folawewo Abayomi David; Madu Alexander Nnamdi; Faboyede Adekemi Omolayo; Muyideen Olaitan Bamidele
    The physico-chemical analysis of effluents from diverse factories in Agbara and the fresh water bodies receiving these effluents in Ogun State, Nigeria was carried out to establish the effect of the effluents. The study analyzed the effect of industrial effluent discharge on Ologe Lagoon. Sampling points; W3, W4, W5, W6, and W7 were effluents discharged directly from the factories located within Agbara industrial estate. Sampling points W1 to W7 were chosen along the water body before and after discharged of these effluents to reflect the contribution and the effect of the industrial and domestic effluents. The study revealed that BOD values were 13.04, 75.99, 13.04, 16.48, 14.92, 14.37 and 14.82 for sample W1, W2, W3, W4, W5, W6, and W7, respectively. Except for sample W7, all pH values were all in the basic region with conductivity ranging from 64 μs/cm to as high as 631 μs/cm. The total hardness value ranges from 1.83 to as high as 6.50 whereas the calcium hardness ranges from 0.25 to 1.63. The mean concentration of heavy metals ranges from 2.01ppm – 7.60 ppm, 0.45-1.42 ppm, and 3.0-8.0 ppm for Cu2+, Fe2+, Pb2+, Cr2+ and Zn2+ respectively. With the exception of zinc and iron, the discharge of copper exceeded the maximum permissible limit given by the Federal Environmental Protection Agency of Nigeria (FEPA) and WHO. Similarly, mean level of total suspended solids (TSS), values are 700 mg/L, 1700 mg/L, 2200 mg/L, 200 mg/L, 400 mg/L, 1600 mg/L and 900 mg/L for samples W1, W2, W3, W4, W5, W6, and W7, respectively while for total dissolved solids (TDS) the values are 50 mg/L, 70 mg/L, 40 mg/L, 830 mg/L 10 mg/L, 110 mg/L and 160 mg/L for samples W1, W2, W3, W4, W5, W6, and W7, respectively. There is need for pre-treatment to be carried out on industrial effluent before discharge into water bodies, without this, there is tendency of these pollutants to persist in the water and its uptake may cause long term health problems to living things.