International Journal of Science and Technology

International Journal of Science and Technology>> Volume 7, Number 9, September 2017

International Journal of Science and Technology

The Effects of Pseudomonas Aeroginosa and Aspergillus Niger on the Bioremediation of Raw and Treated Crude Oil Polluted Water

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Author Efeovbokhan Vincent Enontiemonria, Hymore Fredrick. Kofi, Oyakhire Cybil1,Taiwo Gbenga
On Pages 345-352
Volume No. 2
Issue No. 6
Issue Date June, 2012
Publishing Date June, 2012
Keywords Bioremediation, Polluted water, Microbes, Treated crude, Raw crude.


The biodegradable activities of Aspergillus niger (fungi), and Pseudomonas aeruginosa (bacteria) on two crudes were investigated. Treated crude oil polluted water (TCOW) and the raw crude oil polluted water (RUCOW) containing the microbes and the control were monitored for Biological Oxygen Demand (BOD) and Total Hydrocarbon Content (THC). At the end of the bioremediation period, the results obtained showed that TCOW were more easily bio-remediated than RUCOW. Also the highest bio-remediation for both TCOW and RUCOW occurred using bacteria compared with the other microbes. For bacteria BOD values were 99.8% in the TCOW and 97.9% in the RUCOW. For fungi, BOD values were 95.4% and 89.3% whiles for the combination of bacteria and fungi the values were 97.9% and 93.8%. The control samples were 93.3% and 84.5% bio-remediated for the TCOW and RUCOW samples respectively. Similar variation of THC values were observed for the three microbes.. The TCOW remediated with bacteria showed the highest bioremediation of 95.3% followed by the combined fungi - bacteria sample 90%, then the fungi sample 86.5% and the control sample 63.4%, For RUCOW THC values were 91.3% for bacteria, 84.5% for the combined fungi - bacteria, 76.4% for fungi and 70.7% for the control samples.

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