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Subject: search.filters.subject.Municipal Solid Waste

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    Estimation of the Calorific Value and Electrical Energy Potential of Waste Generated Biomass Within Abakaliki Meteropolis Ebonyi State, Nigeria
    (American Journal of Nano Research and Applications, 2020) Igbo, M. E; Chikeleze, P. C; Onyia, A.I; Igbo, N. E; Eze, C. N.; Chima, A.I
    Abstract: This study was conducted to determine the electrical energy potential of municipal solid waste (MSW) generated biomass within Abakaliki metropolis, Ebonyi State, Nigeria. The MSW samples were collected at two different points from each of the waste management zones, with each zone covering at least twelve (12) streets. It was then sorted into three major categories according to their constituents viz; metals, plastics and biomass. In this study, the biomass component of the MSW sample was is our focus. Thus, the biomass sample was sun dried and then ground into powdered form. It was thoroughly mixed, shredded, sieved and subsequently analysed at the Lorcin Technologies Port Harcourt, Nigeria. Currently, an average of 360 tons of MSW is generated within Abakaliki metropolis on daily bases. This translates to an electrical energy potential of approximately 320MW. The MSW-generated biomass analysis estimates the Gross Calorific Value (GCV) or Higher Heating Values (HHV) to be 11.644MJ/kg. This value which practically determines the electrical energy of the waste sample is highly suitable for many thermal conversion processe. This translate to the fact 0.925kg of biomass will generate electrical power of 1KWh. Hence, one unit of electricity=10765KJ/Kg/GVC (KJ/Kg).
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    Assessment of Heavy Metal Contamination on Dumpsite in Kuyi Village, Niger State, Nigeria
    (International Journal of Research in Chemical, Metallurgical and Civil Engineering. (IJRCMCE), 2016) Iyakwari, Joseph; Agbajelola, D. O.; Farrow, T. S.; Eterigho, Elizabeth Jumoke
    Soil samples collected from the dumpsite located in Kuyi village, Minna, Niger State were analyzed for copper (Cu), iron (Fe2+) and manganese (Mn) using Atomic Absorption Spectrometer. Twenty-one (21) sample points both horizontally and vertically (depth) were studied. The results revealed that Mn had the highest concentration (11.6mg/kg) compared to Cu and Fe2+. However, it was observed that a minimal reduction in concentration of each metal along the surface of the dumpsite occurred. Interestingly, the concentration of Fe at all points was relatively high (5.54mg/kg, 4.67mg/kg, 3.99mg/kg and 3.78mg/kg). Based on the Federal Environmental Protection Agency and Land Disposal Restriction Standard Regulation, this metal could have adverse effect on human health, stream and agricultural activities of villagers around the dumpsite.