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  • Title: Application of aerobic microorganisms in bioremediation in situ of soil contaminated by petroleum products.
    Author: Wolicka D, Suszek A, Borkowski A, Bielecka A.
    Journal: Bioresour Technol; 2009 Jul; 100(13):3221-7. PubMed ID: 19289274.
    Abstract:
    Aerobic microorganisms able to biodegrade benzene, toluene, ethylbenzene, xylene (BTEX) have been isolated from an area contaminated by petroleum products. The activity of the isolated communities was tested under both laboratory and field conditions. Benzene, toluene, ethylbenzene and xylene were added to the cultures as the sole carbon source, at a concentration of 500 mg/L. In batch cultures under laboratory conditions, an 84% reduction of benzene, 86% of toluene and 82% of xylene were achieved. In cultures with ethylbenzene as the sole carbon source, the reduction was around 80%. Slightly lower values were observed under field conditions: 95% reduction of benzene and toluene, 81% of ethylbenzene and 80% of xylene. A high biodegradation activity of benzene (914 microM/L/24h), toluene (771 microM/L/24h), xylene (673 microM/L/24h) and ethylbenzene (644 microM/L/24h) was observed in the isolated communities.
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