Screening of Bacterial Consortium Isolated from Oil Contaminated Soil for its Potential to Degrade Crude Oil.
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Date
2012
Authors
Journal Title
Journal ISSN
Volume Title
Publisher
Advanced Science Focus
Abstract
Environmental pollution arising from oil spillage, especially hydrocarbon is a major environmental and public health concern. This environmental threat has led to the development of methods used to remediate an oil polluted site, which include the use of physical, chemical, and biological methods. Biological methods have been developed and improved for cleaning up oil contaminated sites and have become an alternative to chemical and physical methods. The potential of bacterial consortium to degrade crude oil was studied for 28 days at 30 C in mineral salt media containing one gram of crude oil. Three bacterial species (Pseudomonas, Micrococcus and Bacillus) were used and their potential to degrade crude oil was tested separately. The best three degrader, were used to construct a bacterial consortium. The highest percentage (98.4%) of total petroleum hydrocarbon degradation was recorded for a bacterial consortium, as compared to the percentage of degradation recorded for single isolate Micrococcus sp. IM6 (77.6%), Pseudomonas sp. IM2 (73.1%) and Bacillus sp. IM4 (67.7%) species, respectively. The result obtained from the study shows that a bacterial consortium is more effective than its single components and it can be used in reclaiming crude oil polluted soil.
Description
Keywords
Crude Oil, Biodegradation, Petroleum, Bacteria Consortium, Contamination
Citation
Abioye, O. P., Amaefule, P. O., Aransiola, S. A., & Stephen, E. (2013). Screening of bacterial consortium isolated from oil contaminated soil for its potential to degrade crude oil. Advanced Science Focus, 1(3), 242-245.