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Degradability of n-alkanes during ex situ natural bioremediation of soil contaminated by heavy residual fuel oil (mazut)

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2013
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Authors
Ramadan, Muftah Mohamed Ali
Šolević Knudsen, Tatjana
Antić, Mališa
Beškoski, Vladimir
Vrvić, Miroslav
Schwarzbauer, Jan
Jovančićević, Branimir
Article (Published version)
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Abstract
It is well known that during biodegradation of oil under natural geological conditions, or oil pollutants in the environment, degradation of hydrocarbons occurs according to a well-defined sequence. For example, the major changes during the degradation process of n-alkanes occur in the second, slight and third, moderate level (on the biodegradation scale from 1 to 10). According to previous research, in the fourth, heavy level, when intensive changes of phenanthrene and its methyl isomers begin, n-alkanes have already been completely removed. In this paper, the ex situ natural bioremediation (non-stimulated bioremediation, without addition of biomass, nutrient substances and biosurfactant) of soil contaminated with heavy residual fuel oil (mazut) was conducted during a period of 6 months. Low abundance of n-alkanes in the fraction of total saturated hydrocarbons in the initial sample (identification was possible only after concentration by the urea adduction technique) showed that the ...investigated oil pollutant was at the boundary between the third and the fourth biodegradation level. During the experiment, an intense degradation of phenanthrene and its methyl-, dimethyl- and tri-methyl-isomers was not accompanied by the removal of the remaining n-alkanes. The abundance of n-alkanes remained at the initial low level, even at end of the experiment when the pollutant reached one of the highest biodegradation levels. These results showed that the non-stimulated biodegradation of some hydrocarbons, despite their high biodegradability, had not proceeded completely to the end, even at final degradation stages. Under the condition of reduced availability of some hydrocarbons, microorganisms tend to opt for the less biodegradable but more accessible hydrocarbons.

Keywords:
ex situ bioremediation / soil / heavy residual fuel oil / n-alkanes / degradability
Source:
Journal of the Serbian Chemical Society, 2013, 78, 7, 1035-1043
Publisher:
  • Serbian Chemical Soc, Belgrade
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)
  • Alexander von Humboldt Foundation (Germany)

DOI: 10.2298/JSC120829106A

ISSN: 0352-5139

WoS: 000322609800012

Scopus: 2-s2.0-84880851953
[ Google Scholar ]
6
5
URI
https://cer.ihtm.bg.ac.rs/handle/123456789/1208
Collections
  • Radovi istraživača / Researchers' publications
Institution/Community
IHTM
TY  - JOUR
AU  - Ramadan, Muftah Mohamed Ali
AU  - Šolević Knudsen, Tatjana
AU  - Antić, Mališa
AU  - Beškoski, Vladimir
AU  - Vrvić, Miroslav
AU  - Schwarzbauer, Jan
AU  - Jovančićević, Branimir
PY  - 2013
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/1208
AB  - It is well known that during biodegradation of oil under natural geological conditions, or oil pollutants in the environment, degradation of hydrocarbons occurs according to a well-defined sequence. For example, the major changes during the degradation process of n-alkanes occur in the second, slight and third, moderate level (on the biodegradation scale from 1 to 10). According to previous research, in the fourth, heavy level, when intensive changes of phenanthrene and its methyl isomers begin, n-alkanes have already been completely removed. In this paper, the ex situ natural bioremediation (non-stimulated bioremediation, without addition of biomass, nutrient substances and biosurfactant) of soil contaminated with heavy residual fuel oil (mazut) was conducted during a period of 6 months. Low abundance of n-alkanes in the fraction of total saturated hydrocarbons in the initial sample (identification was possible only after concentration by the urea adduction technique) showed that the investigated oil pollutant was at the boundary between the third and the fourth biodegradation level. During the experiment, an intense degradation of phenanthrene and its methyl-, dimethyl- and tri-methyl-isomers was not accompanied by the removal of the remaining n-alkanes. The abundance of n-alkanes remained at the initial low level, even at end of the experiment when the pollutant reached one of the highest biodegradation levels. These results showed that the non-stimulated biodegradation of some hydrocarbons, despite their high biodegradability, had not proceeded completely to the end, even at final degradation stages. Under the condition of reduced availability of some hydrocarbons, microorganisms tend to opt for the less biodegradable but more accessible hydrocarbons.
PB  - Serbian Chemical Soc, Belgrade
T2  - Journal of the Serbian Chemical Society
T1  - Degradability of n-alkanes during ex situ natural bioremediation of soil contaminated by heavy residual fuel oil (mazut)
VL  - 78
IS  - 7
SP  - 1035
EP  - 1043
DO  - 10.2298/JSC120829106A
ER  - 
@article{
author = "Ramadan, Muftah Mohamed Ali and Šolević Knudsen, Tatjana and Antić, Mališa and Beškoski, Vladimir and Vrvić, Miroslav and Schwarzbauer, Jan and Jovančićević, Branimir",
year = "2013",
abstract = "It is well known that during biodegradation of oil under natural geological conditions, or oil pollutants in the environment, degradation of hydrocarbons occurs according to a well-defined sequence. For example, the major changes during the degradation process of n-alkanes occur in the second, slight and third, moderate level (on the biodegradation scale from 1 to 10). According to previous research, in the fourth, heavy level, when intensive changes of phenanthrene and its methyl isomers begin, n-alkanes have already been completely removed. In this paper, the ex situ natural bioremediation (non-stimulated bioremediation, without addition of biomass, nutrient substances and biosurfactant) of soil contaminated with heavy residual fuel oil (mazut) was conducted during a period of 6 months. Low abundance of n-alkanes in the fraction of total saturated hydrocarbons in the initial sample (identification was possible only after concentration by the urea adduction technique) showed that the investigated oil pollutant was at the boundary between the third and the fourth biodegradation level. During the experiment, an intense degradation of phenanthrene and its methyl-, dimethyl- and tri-methyl-isomers was not accompanied by the removal of the remaining n-alkanes. The abundance of n-alkanes remained at the initial low level, even at end of the experiment when the pollutant reached one of the highest biodegradation levels. These results showed that the non-stimulated biodegradation of some hydrocarbons, despite their high biodegradability, had not proceeded completely to the end, even at final degradation stages. Under the condition of reduced availability of some hydrocarbons, microorganisms tend to opt for the less biodegradable but more accessible hydrocarbons.",
publisher = "Serbian Chemical Soc, Belgrade",
journal = "Journal of the Serbian Chemical Society",
title = "Degradability of n-alkanes during ex situ natural bioremediation of soil contaminated by heavy residual fuel oil (mazut)",
volume = "78",
number = "7",
pages = "1035-1043",
doi = "10.2298/JSC120829106A"
}
Ramadan, M. M. A., Šolević Knudsen, T., Antić, M., Beškoski, V., Vrvić, M., Schwarzbauer, J.,& Jovančićević, B.. (2013). Degradability of n-alkanes during ex situ natural bioremediation of soil contaminated by heavy residual fuel oil (mazut). in Journal of the Serbian Chemical Society
Serbian Chemical Soc, Belgrade., 78(7), 1035-1043.
https://doi.org/10.2298/JSC120829106A
Ramadan MMA, Šolević Knudsen T, Antić M, Beškoski V, Vrvić M, Schwarzbauer J, Jovančićević B. Degradability of n-alkanes during ex situ natural bioremediation of soil contaminated by heavy residual fuel oil (mazut). in Journal of the Serbian Chemical Society. 2013;78(7):1035-1043.
doi:10.2298/JSC120829106A .
Ramadan, Muftah Mohamed Ali, Šolević Knudsen, Tatjana, Antić, Mališa, Beškoski, Vladimir, Vrvić, Miroslav, Schwarzbauer, Jan, Jovančićević, Branimir, "Degradability of n-alkanes during ex situ natural bioremediation of soil contaminated by heavy residual fuel oil (mazut)" in Journal of the Serbian Chemical Society, 78, no. 7 (2013):1035-1043,
https://doi.org/10.2298/JSC120829106A . .

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