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Bioremediation of Soil Contaminated With Used Motor Oil in a Closed System | OMICS International | Abstract
ISSN: 2155-6199

Journal of Bioremediation & Biodegradation
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Research Article

Bioremediation of Soil Contaminated With Used Motor Oil in a Closed System

Abdulsalam S1*, Adefila SS2, Bugaje IM3 and Ibrahim S4
1Chemical Engineering Programme, Abubakar Tafawa Balewa University, Nigeria
2Department of Chemical Engineering, Ahmadu Bello University, Zaria, Nigeria
3Department of Chemical Engineering, University of Maiduguri, Borno state, Nigeria
4Department of Biochemistry, Ahmadu Bello University, Zaria, Nigeria
Corresponding Author : Abdulsalam S
Chemical Engineering Programme
Abubakar Tafawa Balewa University
Bauchi, Nigeria, PMB 0248
Bauchi State, Nigeria
Tel: +2348032839412
E-mail: [email protected]
Received May 02, 2012; Accepted November 21, 2012; Published November 23, 2012
Citation: Abdulsalam S, Adefila SS, Bugaje IM, Ibrahim S (2013) Bioremediation of Soil Contaminated With Used Motor Oil in a Closed System. J Bioremed Biodeg 4:172. doi: 10.4172/2155-6199.1000172
Copyright: © 2013 Abdulsalam S, et al. This is an open-a ccess article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
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A study was carried out on biodegradation of soil contaminated with used motor oil in aerobic fixed bed bioreactors. Six treatments, labeled TR1 to TR6, were investigated in an experimental rig for 70 days continuously. Bioremediation indices such as Total Petroleum Hydrocarbon (TPH), Oil and Grease content (O&G), Total Heterotrophic Bacteria Count (THBC), Hydrocarbon Degrading Bacteria Count (HDBC) and CO2 respiration rates were monitored. In addition, environmental factors such as temperature, pH and moisture content were also monitored. Results revealed that 50, 63, 66, 57, 68 and 75% biodegradation were achieved for TR1, TR2, TR3, TR4, TR5 and TR6, respectively, in terms of the O&G content removal. Furthermore, CO2 respiration showed cumulative generations of 4 472, 5 226, 5 493, 5 279, 5 667 and 6 242 mg/kg CS for TR1, TR2, TR3, TR4, TR5 and TR6, respectively. From the results obtained, the biostimulation option (TR6) gave the best result and thus, can be used to develop a safe, robust and economical treatment technology for SCUMO.


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