Short communication: Detailed analysis of petroleum hydrocarbon attenuation in biopiles by high-performance liquid chromatography followed by comprehensive two-dimensional gas chromatography

Short communication: Detailed analysis of petroleum hydrocarbon attenuation in biopiles by high-performance liquid chromatography followed by comprehensive two-dimensional gas chromatography

Enhanced bioremediation of petroleum hydrocarbons in two biopiles was quantified by high-performance liquid chromatography (HPLC) followed by comprehensive two-dimensional gas chromatography (GCXGC). The attenuation of 34 defined hydrocarbon classes was calculated by HPLC-GCXGC analysis of represent...

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Veröffentlicht in:Journal of Chromatography A 2009-02, Vol.1216 (9), p.1524-1527
Hauptverfasser: Mao, Debin, Lookman, Richard, Van De Weghe, Hendrik, Van Look, Dirk, Vanermen, Guido, De Brucker, Nicole, Diels, Ludo
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container_end_page 1527
container_issue 9
container_start_page 1524
container_title Journal of Chromatography A
container_volume 1216
creator Mao, Debin
Lookman, Richard
Van De Weghe, Hendrik
Van Look, Dirk
Vanermen, Guido
De Brucker, Nicole
Diels, Ludo
description Enhanced bioremediation of petroleum hydrocarbons in two biopiles was quantified by high-performance liquid chromatography (HPLC) followed by comprehensive two-dimensional gas chromatography (GCXGC). The attenuation of 34 defined hydrocarbon classes was calculated by HPLC-GCXGC analysis of representative biopile samples at start-up and after 18 weeks of biopile operation. In general, a-cyclic alkanes were most efficiently removed from the biopiles, followed by monoaromatic hydrocarbons. Cycloalkanes and polycyclic aromatic hydrocarbons (PAHs) were more resistant to degradation. A-cyclic biomarkers farnesane, trimethyl-C13, norpristane, pristane and phytane dropped to only about 10% of their initial concentrations. On the other hand, C29-C31 hopane concentrations remained almost unaltered after 18 weeks of biopile operation, confirming their resistance to biodegradation. They are thus reliable indicators to estimate attenuation potential of petroleum hydrocarbons in biopile processed soils.
doi_str_mv 10.1016/j.chroma.2008.12.087
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title Short communication: Detailed analysis of petroleum hydrocarbon attenuation in biopiles by high-performance liquid chromatography followed by comprehensive two-dimensional gas chromatography
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