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Ex situ stimulated bioremediation of a soil contaminated with oil pollutants: the dynamics and the efficiency of biodegradation of saturated and aromatic hydrocarbons

Authorized Users Only
2018
Authors
Šolević Knudsen, Tatjana
Ilić, Mila
Milić, Jelena
Gojgić-Cvijović, Gordana
Miletić, Srđan
Beškoski, Vladimir
Vrvić, Miroslav
Book part (Published version)
,
Nova Science Publishers, Inc.
Metadata
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Abstract
The aim of this research was to investigate the overall dynamics and the efficiency of biodegradation of saturated and aromatic compounds – constituents of the oil pollutant, during ex situ bioremediation of the polluted soil. The effect of natural biodegradation was investigated in a parallel set of samples of the same soil which was not subjected to the processes of stimulation (bioaugmentation, biostimulation and aeration). During the period of six months, the biodegradation process caused a gradual and prominent degradation of phenanthrene, dibenzothiophene, fluoranthene/pyrene and their alkyl homologues. Among the polycyclic aromatic hydrocarbons (PAHs), distributions and abundances of benz(a)anthracene/chrysenes and triaromatic steroids were the least affected by biodegradation. n-Alkanes and isoprenoids remained low in abundances during and until the end of the experiment, indicating that the availability, rather than the biodegradability, was responsible for removal ...of these compounds. In the set of the samples exposed to the stimulated bioremediation, within the homologue series of phenanthrenes, dibenzothiophenes and fluoranthene/pyrenes, higher alkylated homologues were more degradable than the lower ones. Additionally, lower alkylated homologues were more degradable than their parent molecules. These results are opposite to those described in the literature and indicate that a proper choice of bioremediation conditions can influence biodegradation sequences of the compounds present in the pollutant. Furthermore, these results showed that the extent of biodegradation in the samples exposed to stimulation was much higher than in the samples where only natural biodegradation occurred, pointing that the stimulated biodegradation is much more efficient process than the natural biodegradation.

Keywords:
ex situ bioremediation / soil / oil pollutant / polycyclic aromatic hydrocarbons
Source:
Bioremediation: Advances in Research and Applications, 2018, 211-239
Publisher:
  • Nova Science Publishers, Inc.
Funding / projects:
  • Geochemical investigations of sedimentary rocks - fossil fuels and environmental pollutants (RS-176006)
  • Simultaneous Bioremediation and Soilification of Degraded Areas to Preserve Natural Resources of Biologically Active Substances, and Development and Production of Biomaterials and Dietetic Products (RS-43004)
[ Google Scholar ]
Handle
https://hdl.handle.net/21.15107/rcub_cer_3193
URI
https://cer.ihtm.bg.ac.rs/handle/123456789/3193
Collections
  • Radovi istraživača / Researchers' publications
Institution/Community
IHTM
TY  - CHAP
AU  - Šolević Knudsen, Tatjana
AU  - Ilić, Mila
AU  - Milić, Jelena
AU  - Gojgić-Cvijović, Gordana
AU  - Miletić, Srđan
AU  - Beškoski, Vladimir
AU  - Vrvić, Miroslav
PY  - 2018
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/3193
AB  - The aim of this research was to investigate the overall dynamics and the efficiency of
biodegradation of saturated and aromatic compounds – constituents of the oil pollutant,
during ex situ bioremediation of the polluted soil.
The effect of natural biodegradation was investigated in a parallel set of samples of
the same soil which was not subjected to the processes of stimulation (bioaugmentation,
biostimulation and aeration).
During the period of six months, the biodegradation process caused a gradual and
prominent degradation of phenanthrene, dibenzothiophene, fluoranthene/pyrene and their
alkyl homologues. Among the polycyclic aromatic hydrocarbons (PAHs), distributions
and abundances of benz(a)anthracene/chrysenes and triaromatic steroids were the least affected by biodegradation. n-Alkanes and isoprenoids remained low in abundances
during and until the end of the experiment, indicating that the availability, rather than the
biodegradability, was responsible for removal of these compounds.
In the set of the samples exposed to the stimulated bioremediation, within the
homologue series of phenanthrenes, dibenzothiophenes and fluoranthene/pyrenes, higher
alkylated homologues were more degradable than the lower ones. Additionally, lower
alkylated homologues were more degradable than their parent molecules. These results
are opposite to those described in the literature and indicate that a proper choice of
bioremediation conditions can influence biodegradation sequences of the compounds
present in the pollutant. Furthermore, these results showed that the extent of
biodegradation in the samples exposed to stimulation was much higher than in the
samples where only natural biodegradation occurred, pointing that the stimulated
biodegradation is much more efficient process than the natural biodegradation.
PB  - Nova Science Publishers, Inc.
T2  - Bioremediation: Advances in Research and Applications
T1  - Ex situ stimulated bioremediation of a soil contaminated with oil pollutants: the dynamics and the efficiency of biodegradation of saturated and aromatic hydrocarbons
SP  - 211
EP  - 239
UR  - https://hdl.handle.net/21.15107/rcub_cer_3193
ER  - 
@inbook{
author = "Šolević Knudsen, Tatjana and Ilić, Mila and Milić, Jelena and Gojgić-Cvijović, Gordana and Miletić, Srđan and Beškoski, Vladimir and Vrvić, Miroslav",
year = "2018",
abstract = "The aim of this research was to investigate the overall dynamics and the efficiency of
biodegradation of saturated and aromatic compounds – constituents of the oil pollutant,
during ex situ bioremediation of the polluted soil.
The effect of natural biodegradation was investigated in a parallel set of samples of
the same soil which was not subjected to the processes of stimulation (bioaugmentation,
biostimulation and aeration).
During the period of six months, the biodegradation process caused a gradual and
prominent degradation of phenanthrene, dibenzothiophene, fluoranthene/pyrene and their
alkyl homologues. Among the polycyclic aromatic hydrocarbons (PAHs), distributions
and abundances of benz(a)anthracene/chrysenes and triaromatic steroids were the least affected by biodegradation. n-Alkanes and isoprenoids remained low in abundances
during and until the end of the experiment, indicating that the availability, rather than the
biodegradability, was responsible for removal of these compounds.
In the set of the samples exposed to the stimulated bioremediation, within the
homologue series of phenanthrenes, dibenzothiophenes and fluoranthene/pyrenes, higher
alkylated homologues were more degradable than the lower ones. Additionally, lower
alkylated homologues were more degradable than their parent molecules. These results
are opposite to those described in the literature and indicate that a proper choice of
bioremediation conditions can influence biodegradation sequences of the compounds
present in the pollutant. Furthermore, these results showed that the extent of
biodegradation in the samples exposed to stimulation was much higher than in the
samples where only natural biodegradation occurred, pointing that the stimulated
biodegradation is much more efficient process than the natural biodegradation.",
publisher = "Nova Science Publishers, Inc.",
journal = "Bioremediation: Advances in Research and Applications",
booktitle = "Ex situ stimulated bioremediation of a soil contaminated with oil pollutants: the dynamics and the efficiency of biodegradation of saturated and aromatic hydrocarbons",
pages = "211-239",
url = "https://hdl.handle.net/21.15107/rcub_cer_3193"
}
Šolević Knudsen, T., Ilić, M., Milić, J., Gojgić-Cvijović, G., Miletić, S., Beškoski, V.,& Vrvić, M.. (2018). Ex situ stimulated bioremediation of a soil contaminated with oil pollutants: the dynamics and the efficiency of biodegradation of saturated and aromatic hydrocarbons. in Bioremediation: Advances in Research and Applications
Nova Science Publishers, Inc.., 211-239.
https://hdl.handle.net/21.15107/rcub_cer_3193
Šolević Knudsen T, Ilić M, Milić J, Gojgić-Cvijović G, Miletić S, Beškoski V, Vrvić M. Ex situ stimulated bioremediation of a soil contaminated with oil pollutants: the dynamics and the efficiency of biodegradation of saturated and aromatic hydrocarbons. in Bioremediation: Advances in Research and Applications. 2018;:211-239.
https://hdl.handle.net/21.15107/rcub_cer_3193 .
Šolević Knudsen, Tatjana, Ilić, Mila, Milić, Jelena, Gojgić-Cvijović, Gordana, Miletić, Srđan, Beškoski, Vladimir, Vrvić, Miroslav, "Ex situ stimulated bioremediation of a soil contaminated with oil pollutants: the dynamics and the efficiency of biodegradation of saturated and aromatic hydrocarbons" in Bioremediation: Advances in Research and Applications (2018):211-239,
https://hdl.handle.net/21.15107/rcub_cer_3193 .

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