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KMID : 0364820130490040353
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Korean Journal of Microbiology
2013 Volume.49 No. 4 p.353 ~ p.359
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Efficient Clean-up of Oil Spilled Shorelines Using the Compressed Air Jet System and Concomitant Microbial Community Analysis
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Jang Jae-Soo
Kim Kyung-Hee
Lee Jae-Shik
Kalu I. Ekpeghere
Koh Sung-Cheol
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Abstract
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The objectives of this study were to investigate effectiveness of the Compressed Air Jet (CAJ) System for cleaningup shorelines contaminated with crude oils and to examine effects of the system on total petroleum hydrocarbon(TPH) removal and microbial community changes before and after remediation of the oil-contaminated shorelines. These data will lead to better understanding of optimized remediation process. About 66% of TPH reduction wasobserved when the contaminated site was treated with the CAJ System 2, 3, 4, and 5 times. This treatment systemwas more efficient than the seawater pumping system under similar treatment conditions (by 40%). By the way, littleoil degrader communities were observed despite a potential function of the air jet system to stimulate aerobic oildegraders. The apparent low population density of the oil degraders might be as a result of low concentration of TPHas a carbon source and limiting nutrients such as nitrogen and phosphorus. It was proposed that the CAJ Systemwould contribute significantly to removal of residual oils on the shorelines in combination with addition of theselimiting nutrients.
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KEYWORD
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compressed air jet, oil spill, sediment remediation, shoreline, total petroleum hydrocarbon (TPH)
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