Phenol Biodegradation and Bioelectricity Generation by a Native Bacterial Consortium Isolated from Petroleum Refinery Wastewater

Phenolic compounds are highly toxic, along with being one of the most persistent substances in petroleum refinery effluents. The most potent solution is through phenol bioremediation to produce demi-water and bioenergy, which are two effective outcomes for a single process. Fifteen genetically ident...

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Bibliographic Details
Published in:Sustainability 2022-10, Vol.14 (19), p.12912
Main Authors: Shebl, Sara, Hussien, Nourhan N, Elsabrouty, Mohab H, Osman, Sarah M, Elwakil, Bassma H, Ghareeb, Doaa A, Ali, Safaa M, Ghanem, Nevine Bahaa El Din, Youssef, Yehia M, Moussad, Essam El Din A, Olama, Zakia A
Format: Article
Language:English
Subjects:
Alternative energy sources
Bacteria
Batch culture
Biodegradation
Bioelectricity
Bioremediation
Chromatography
Consortia
Design of experiments
Design optimization
Effluents
Electric power production
Electrophysiology
Energy development
Environmental protection
Investigations
Metabolites
Optimization
Petrochemicals
Petrochemicals industry
Petroleum
Petroleum industry wastewaters
Petroleum refineries
Petroleum refining
Phenolic compounds
Phenols
Pollutants
Refineries
Refinery wastes
Variance analysis
Wastewater
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Summary:Phenolic compounds are highly toxic, along with being one of the most persistent substances in petroleum refinery effluents. The most potent solution is through phenol bioremediation to produce demi-water and bioenergy, which are two effective outcomes for a single process. Fifteen genetically identified native bacterial strains were isolated from the effluents of the petrochemical industry plant (AMOC, Egypt) and were investigated for potential phenol biodegradation activity and energy bioproduction individually and as a consortium in a batch culture. Successful and safe phenol biodegradation was achieved (99.63%) using a native bacterial consortium after statistical optimization (multifactorial central composite design) with bioelectricity generation that reached 3.13 × 10−6 mW/cm3. In conclusion, the native consortium was highly potent in the bioremediation process of petroleum refinery wastewater, protecting the environment from potential phenol pollution with the ability to generate an electrical current through the bioremediation process.
ISSN:2071-1050
2071-1050
DOI:10.3390/su141912912