Isolation and Characterization of Hydrocarbon-degrading Bacteria in Soils of Mechanical Workshops in Maiduguri, Borno State
Keywords:Hydrocarbon, Bacteria, Mechanical workshops, Maiduguri, Soil
The study was conducted to determine the distribution of hydrocarbon utilizing bacteria in spent engine oil (SEO) contaminated soil. Five mechanical workshops within Maiduguri Metropolis. Five bulk soil sample comprising of one each of the five sites; the sites are Leventis Area on Kashim Ibrahim Way, Damboa Raod, Boiler (commonly called Bola) near Maiduguri Monday Market, Ngomari, on Kano Road, and 1000 Housing Estate, also on Kano Road. Nutrient agar was used, or isolation and enumeration total heterotrophic bacteria and Mineral salt agar was used for the isolation and enumeration of hydrocarbon utilizing bacteria. The result shows THB (92.0x104) at Damboa road (DR) to as higher and (78.8x104) at Bola area (BL) while HUB (2.0x104) at Damboa road (DR) and as high as (9.3x104) at Bola area (BL). The bacterial species isolated were species of Bacillus licheniformis, Bacillus subtilis, Bacillus coagulans, Bacillus alvei, Bacillus cereus, Bacillus lentus other are Pseudomonas aeruginosa, Klebsiella pneumonia. Bacillus licheniformis, and Bacillus subtilis are the most occurring bacterial isolates identified. The ability of those bacterial isolate to degrade hydrocarbon buoyantly will help in remediation of oil polluted environments.
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