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Title

Biodegradation of total petroleum hydrocarbons in contaminated soils using indigenous bacterial consortium

Biodegradation of total petroleum hydrocarbons in contaminated soils using indigenous bacterial consortium
Year: 1399
COI: JR_EHEM-7-2_007
Language: EnglishView: 121
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Authors

Yalda Basim - Environmental Technologies Research Centre, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
Ghasemali Mohebali - Microbiology and Biotechnology Research Group, Research Institute of Petroleum Industry, Tehran, Iran
Sahand Jorfi - Environmental Technologies Research Centre, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
Ramin Nabizadeh - Department of Environmental Health Engineering, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
Mehdi Ahmadi Moghadam - Environmental Technologies Research Centre, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
Ata Ghadiri - Department of Immunology, School of Medicine, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
Nematollah Jaafarzadeh Haghighi Fard - Corresponding author:Environmental Technologies Research Centre, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran

Abstract:

Background: Biodegradation of hydrocarbon compounds is a great environmental concern due to their toxic nature and ubiquitous occurrence. In this study, biodegradation potential of oily soils was investigated in an oil field using indigenous bacterial consortium. Methods: The bacterial strains present in the contaminated and non-contaminated soils were identified via DNA extraction using 16S rDNA gene sequencing during six months. Furthermore, total petroleum hydrocarbons (TPH) were removed from oil-contaminated soils. The TPH values were determined using a gas chromatograph equipped with a flame ionization detector (GC-FID). Results: The bacterial consortium identified in oil-contaminated soils (case) belonged to the families Halomonadaceae (91.5%) and Bacillaceae (8.5%), which was significantly different from those identified in non-contaminated soils (control) belonging to the families Enterobacteriaceae (84.6%), Paenibacillaceae (6%), and Bacillaceae (9.4%). It was revealed that the diversity of bacterial strains was less in oil-contaminated soils and varied significantly between case and control samples. Indigenous bacterial consortium was used in oil-contaminated soils without need for amplification of heterogeneous bacteria and the results showed that the identified bacterial strains could be introduced as a sufficient consortium for biodegradation of oil-contaminated soils with similar texture, which is one of the innovative aspects of this research. Conclusion: An oil-contaminated soil sample with TPH concentration of 1640 mg/kg was subjected to bioremediation during 6 months using indigenous bacterial consortium and a TPH removal efficiency of 28.1% was obtained.

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This Paper COI Code is JR_EHEM-7-2_007. Also You can use the following address to link to this article. This link is permanent and is used as an article registration confirmation in the Civilica reference:

https://civilica.com/doc/1137205/

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Basim, Yalda and Mohebali, Ghasemali and Jorfi, Sahand and Nabizadeh, Ramin and Ahmadi Moghadam, Mehdi and Ghadiri, Ata and Jaafarzadeh Haghighi Fard, Nematollah,1399,Biodegradation of total petroleum hydrocarbons in contaminated soils using indigenous bacterial consortium,https://civilica.com/doc/1137205

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Paper count: 3,348
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