Ultrasound-assisted bisphenol AF degradation using in situ generated hydrogen peroxide
Bisphenol AF (BPAF) is degraded through the ultrasound-assisted in situ generation and activation of hydrogen peroxide (H<sub>2</sub>O<sub>2</sub>) by the copper(II) catalysed oxidation of hydroxylamine (NH<sub>2</sub>OH) with dioxygen (O<sub>2</sub>). Compared to added H<sub>2</sub>O<sub>2</sub>, in situ generated H<sub>2</sub>O<sub>2</sub> significantly improves the degradation of BPAF from 46.7% to 94.8% in ∼15 min. The reaction follows a pseudo-first-order kinetic model. This study examines the influence of solution pH, anions, humic acid, and different concentrations of the reactants on BPAF degradation. Mass spectrometry was used to identify the BPAF degradation products, and a degradation pathway is proposed. This work advances the understanding of in situ hydrogen peroxide generation and activation in advanced oxidation (Fenton-like) processes (AOPs).
Authors
- Tippu S. Sheriff (ORCID: https://orcid.org/0000-0002-6322-9967)
- Ye Cao (ORCID: https://orcid.org/0000-0002-6291-8584)
Institutions
- Queen Mary University of London (GB)
Publication Details
- Journal
- Journal of Environmental Management
- Published
- 2024-11-11
- DOI
- https://doi.org/10.1016/j.jenvman.2024.123267
- Citations
- 3
- Primary Topic
- Advanced oxidation water treatment
- Type
- article
- Field-Weighted Citation Impact
- 0.60
Funders
- Queen Mary University of London
- Commonwealth Scholarship Commission
- China Scholarship Council
- Sichuan Agricultural University
- Chinese Government Scholarship