The Potential Use of Chicken-Drop Micro-Organisms for Oil Spill Remediation

U.J.J. Ijah () and S.P. Antai
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U.J.J. Ijah: Federal University of Technology
S.P. Antai: Federal University of Technology

Environment Systems and Decisions, 2003, vol. 23, issue 1, 89-95

Abstract: Abstract An examination of chicken-drop micro-organisms for oil spill remediation is presented in this work. The chicken droppings contained aerobic heterotrophs (1.2×108 CFU g−1), total fungi (3.4×104 CFU g−1) and crude oil (transniger pipeline crude, TNP) degrading bacteria (1.5×106 CFU g−1). The crude oil degraders were identified as species of Micrococcus, Bacillus, Pseudomonas, Enterobacter, Proteus, Klebsiella, Aspergillus, Rhizopus, and Penicillium. Pseudomonas aeruginosa CDB-06 and species of Bacillus CDB-08 and Penicillium CDF-10 degraded the crude oil at exceedingly high rates. Pseuedomonas aeruginosa CDB-06 degraded 65.5 percent of the crude oil after 16 days, while Bacillus sp. CDB-08, and Penicillium sp. CDF-10 degraded 65.3 percent, and 53.3 percent, respectively of the crude oil over the same period. The chicken droppings also had a pH 7.3, 18.5 percent moisture content, 2.3 percent total nitrogen, and 0.5 percent available phosphorus. Addition of oil polluted soil (10 percent (v/w) pollution level) with chicken droppings enhanced degradation of the crude oil in the soil. 68.2 percent of the crude oil was degraded in the soil amended with chicken droppings, whereas only 50.7 percent of the crude oil was degraded in the unamended soil after 16 days. The amendment raised the acidic reaction (pH 5.7) of the oil-polluted soil to alkaline (pH 7.2) within 16 days. Chicken droppings could, therefore, be used in an integrated oil pollution abatement program.

Keywords: chicken droppings; bioremediation; oil spill; micro-organisms (search for similar items in EconPapers)
Date: 2003
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DOI: 10.1023/A:1022947727324

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