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Updated: Jul 26, 2025

Light-driven Enzymatic Decarboxylation
Published on: May 22, 2016
Advanced oxidation of bisphenols by peracetic acid activated by light and ultrasound
Dariusz Kiejza1, Joanna Karpińska2, Alicja Piotrowska-Niczyporuk3
1Doctoral School of Exact and Natural Sciences, University of Bialystok, Ciolkowskiego 1K Street, 15-245, Bialystok, Poland.
Abstract:
Light and ultrasound have been tested as physical factors activating peracetic acid (PAA) to oxidize bisphenols (BPs). Based on the chemometric approach of the Taguchi method, UV irradiation with a wavelength of 254 nm was selected as the optimal type of PAA activator. The effectiveness of the UV/PAA system was also compared with other oxidation methods. Under optimal conditions ([BPs]0 = 1 mg/L, 1 mM PAA, pH 9, UV 254 nm) the tested bisphenols are completely degraded within 15-60 min. The influence of the matrix on the process of organic micropollutants removal in the UV/PAA system was also investigated. Toxicity assessment leads to the conclusion that the reaction mixture shows limited toxicity towards living organisms.
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