The Impact of PAHs Contamination on the Physicochemical Properties and Microbiological Activity of Industrial Soils

The aim of this article is the study of the potential relationships between PAHs contamination, physicochemical parameters, and microbial activity in industrial soils. The research was based on two series of measurements. The first was conducted in June 2013 and the second in November 2013. Samples...

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Bibliographic Details
Published in:Polycyclic aromatic compounds 2015-10, Vol.35 (5), p.372-386
Main Authors: Włóka, Dariusz, Kacprzak, Małgorzata, Grobelak, Anna, Grosser, Anna, Napora, Anna
Format: Article
Language:English
Subjects:
Bacteria
Bioremediation
Chemistry
Contamination
Correlation
Correlation coefficient
Humic acids
Impact analysis
industrial soil
Microbial activity
Microbiological analysis
Microbiology
Organic compounds
organic contaminants
Organic matter
PAHs
Physicochemical properties
Polycyclic aromatic hydrocarbons
Samples
soil contamination
soil microbial activity
Soil organic matter
soil physical and chemical properties
Soils
Statistical analysis
Statistical methods
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Summary:The aim of this article is the study of the potential relationships between PAHs contamination, physicochemical parameters, and microbial activity in industrial soils. The research was based on two series of measurements. The first was conducted in June 2013 and the second in November 2013. Samples used in study were collected from the area of fuel handling and a loading station, located in the Silesia region of Poland. All collected samples were characterized by the following analytical procedures: PAHs content analysis, the basic physical and chemical parameters determinations (pH, CEC, humic acids content, TC, TN, TP) and microbial activity analysis. The obtained results were also subjected to statistical analysis, based on the Pearson's correlation coefficient calculations. Results collected during described above procedure show that: the PAHs content was highly positively correlated with C and N contents (p < 0.001) and moderately correlated with humic acids and P contents (p < 0.01). This phenomenon confirms the thesis that the increase of soil organic matter content promotes accumulation of hydrophobic organic compounds such as PAHs. Microbiological analysis shows that bacteria from the mesophilic group are most resistant to PAHs contamination. This information indicates that the organisms belonging to this group should be considered as potentially useful in the soil bioremediation processes.
ISSN:1040-6638
1563-5333
DOI:10.1080/10406638.2014.918887