Using Bacteriophages to Treat Resilient Bacteria Found in Produced Water
Fecha
2024-03Autor
Sánchez-Rosario, Ramon
Rodríguez, Vivian
García, Jesús
A. Schug, Kevin
L. Hildenbrand, Zacariah
A. Bernal, Ricardo
Bernal, Ricardo A
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Numerous treatment modalities have been employed over the years to eradicate bacterial
communities in industrial wastewater. Oxidizing agents and chemical additives, such as ozone,
permanganate, glutaraldehyde, and chlorine, are effective in treating microbial contaminants that are
typically found in domestic wastewater. However, the chemical complexity of water produced from
fracking requires novel approaches, because the microbes have developed mechanisms to overcome
typical disinfectants. In this work, we test the effectiveness of bacteriophages for the eradication of
two model bacteria from produced water: Pseudomonas aeruginosa and Bacillus megaterium. These
bacteria were grown in low salinity produced water and exposed to their corresponding phage.
Overall, the total inactivation of the P. aeruginosa population was achieved, as well as the inactivation
of B. megaterium. These promising results provide a potentially useful tool for bacterial elimination
in overall PW treatment, at an industrial scale. Particularly, since phage treatment is a rapid and
cost-effective alternative. Moreover, these results fall within the objectives proposed as part of the
sustainable development goals adopted worldwide.
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