AI Article Synopsis
- A feasibility study indicated that a specially introduced bacterial consortium successfully adapted to the contaminated soil at the bioremediation site.
- Soil samples taken at various time intervals showed significant reduction in total petroleum hydrocarbons after treatment; initial concentrations ranged from 18.80% to 30.90% and were reduced to around 1% after 360 days.
- In contrast, a control plot without the bacterial consortium only saw a 5% degradation in pollutant levels over the same period.
Article Abstract
Feasibility study carried out at the site prior to the full scale study showed that the introduced bacterial consortium effectively adapted to the local environment of the soil at bioremediation site. The soil samples were collected from the contaminated fields after treatment with bacterial consortium at different time intervals and analyzed by gas chromatography after extraction with hexane and toluene. At time zero (just before initiation of bioremediation), the concentration of total petroleum hydrocarbons in the soil (25-cm horizon) of plot A, B, C and D was 30.90 %, 18.80 %, 25.90 % and 29.90 % respectively, after 360 days of treatment with microbial consortia was reduced to 0.97 %, 1.0 %, 1.0 %, and 1.1 % respectively. Whereas, only 5 % degradation was observed in the control plot after 365 days (microbial consortium not applied).
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| http://dx.doi.org/10.1007/s00128-012-0668-x | DOI Listing |
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