Effectiveness of sonophotolysis for eliminating bisphenol A and bacteria from aqueous solution

This study focuses on the improvement of the effectiveness inactivation of microorganisms and degradation of micropollutants using of AOPs (advanced oxidation processes) methods in deionized water. The effectiveness of sonophotolysis for degrading bisphenol A (BPA) and inactivating bacteria Escheric...

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Bibliographic Details
Published in:IOP conference series. Materials Science and Engineering 2020-11, Vol.962 (4), p.42084
Main Authors: Tsenter, I M, Popova, S A, Garkusheva, N M
Format: Article
Language:English
Subjects:
Aqueous solutions
Bisphenol A
Coliforms
Deactivation
Deionization
E coli
Light emitting diodes
Microorganisms
Oxidation
Synergistic effect
Ultraviolet radiation
Water treatment
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Summary:This study focuses on the improvement of the effectiveness inactivation of microorganisms and degradation of micropollutants using of AOPs (advanced oxidation processes) methods in deionized water. The effectiveness of sonophotolysis for degrading bisphenol A (BPA) and inactivating bacteria Escherichia coli and Enterococcus faecalisin aqueous solution was investigated using ultraviolet light-emitting diodes (UV LEDs, 365 nm) and high-frequency (1.7 MHz) ultrasound (US). The sonophotolytic system UV/US was highly efficient for inactivating E. faecalis, whereas no US contribution was observed for E. coli.A synergistic effect for sonophotolysis of BPA was found. We suggest that the obtained results are promising for developing modern sonophotochemical methods for water treatment and disinfection.
ISSN:1757-8981
1757-899X
DOI:10.1088/1757-899X/962/4/042084