Assessment of the Selected Heavy Metals Contamination of Fossil Fuel (Coal) within Okaba, Onyeama and Ribadu Mining Sites, Nigeria

The concentration levels of selected trace metals in coal samples collected from three different locations, namely Okaba coal deposit Kogi State, Onyeama coal deposit and Ribadu both in Enugu state, were investigated in this study. The representative coal samples were analysed for the presence of tr...

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Bibliographic Details
Published in:International journal of environmental analytical chemistry 2022-12, Vol.102 (18), p.6299-6309
Main Authors: Adetunji, Ademola Tokunbo, Adeyinka, Gbadebo Clement, Neji, Peter Amba, Ajibola, Olaide Olawunmi, Bakare, Babatunde Femi
Format: Article
Language:English
Subjects:
Atomic absorption spectrophotometry
Cadmium
Chromium
Coal
Contamination
Copper
Fossil fuels
Heavy metals
Lead
Metal concentrations
Okaba
Onyeama
Ribadu
Spectral analysis
Spectrophotometers
toxicity
Trace metals
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Summary:The concentration levels of selected trace metals in coal samples collected from three different locations, namely Okaba coal deposit Kogi State, Onyeama coal deposit and Ribadu both in Enugu state, were investigated in this study. The representative coal samples were analysed for the presence of trace metals such as Cadmium, Chromium, Lead and Copper using an Atomic Absorption Spectrophotometer. The mean concentrations of 0.043 ± 0.007, 0.020 ± 0.006, 0.032 ± 0.006 and 7.245 ± 0.557 (mg/kg) were observed for the selected metals. The concentration of the selected metals investigated with the exception of Lead was found to be above detection limit for EPA - NBS standard and compared to the previous work done globally. The emission of coal has been attributed to the release of critical heavy metals such as Cadmium, Chromium, Lead and Copper, into the environment thereby posing a threat to human health and endangering the ecosystem.
ISSN:0306-7319
1029-0397
DOI:10.1080/03067319.2020.1807973