Cited by 144Ultrasound and Cavitation PhenomenaAdvanced oxidation water treatmentMinerals Flotation and Separation Techniques

Enhanced sonochemical degradation of bisphenol-A by bicarbonate ions

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Pétrier, Christian, Torres-Palma, Ricardo, Combet, Evelyne, Sarantakos, Georgios, Baup, Stéphane, Pulgarin, César·2010·Ultrasonics Sonochemistry

Abstract

Sonochemical elimination of organic pollutants can take place through two degradation pathways. Molecules with relatively large Henry's law constants will be incinerated inside the cavitation bubble, while nonvolatile molecules with low Henry's law constants will be oxidised by the OH(*) ejected from the bubble of cavitation. Taking bisphenol-A as a model pollutant, this study points out an alternate degradation route, mediated by bicarbonate ions, which is significant for the elimination of micro-pollutants at concentrations present in natural waters. In this process, OH(*) radicals react with bicarbonate ions to produce the carbonate radical, which, unlike the OH(*) radical, can migrate towards the bulk of the solution and therefore induce the degradation of the micro-pollutants present in the bulk solution. As a consequence, initial degradation rate is increased by a factor 3.2 at low concentration of bisphenol-A (0.022 micromol l(-1)) in presence of bicarbonate in water.

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Crossref · 10.1016/j.ultsonch.2009.05.010

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Authors
Pétrier, C., Torres-Palma, R., Combet, E., Sarantakos, G., Baup, S., & Pulgarin, C.
Affiliations
  • Université Joseph Fourier (FR)
  • Universidad de Antioquia (CO)
  • Université Savoie Mont Blanc (FR)
  • École Polytechnique Fédérale de Lausanne (CH)
Corresponding author
Pétrier, Christian
Venue
Ultrasonics Sonochemistry
Publisher
Elsevier BV
Published
2010-01
Volume
17
Issue
1
Pages
111-115
ISSN
1350-4177 (ISSN-L)
OpenAlex
W2019546221
Cited by
144
References
33
Citations by year
2026: 4 · 2025: 15 · 2024: 9 · 2023: 10 · 2022: 8 · 2021: 3 · 2020: 15 · 2019: 10 · 2018: 9 · 2017: 3 · 2016: 11 · 2015: 10 · 2014: 12 · 2013: 3 · 2012: 3
FWCI
3.54
Type
journal article
Language
en
Open access
Locations
  • Ultrasonics Sonochemistry (publishedVersion)
  • PubMed (publishedVersion)
  • HAL (submittedVersion)
  • Infoscience (Ecole Polytechnique Fédérale de Lausanne) (submittedVersion)
  • Infoscience (Ecole Polytechnique Fédérale de Lausanne) (submittedVersion, cc-by-nc-nd)
Topics
  • Physical Sciences › Materials Science › Materials Chemistry › Ultrasound and Cavitation Phenomena
  • Physical Sciences › Environmental Science › Water Science and Technology › Advanced oxidation water treatment
  • Physical Sciences › Environmental Science › Water Science and Technology › Minerals Flotation and Separation Techniques
Keywords
bisphenol A, sonochemical degradation, bicarbonate ions, carbonate radical, hydroxyl radicals, cavitation bubbles, micropollutants, Henry's law constant, wastewater treatment
MeSH terms
Bisphenol A Compounds, Air Pollutants, Occupational, Benzhydryl Compounds, Bicarbonates, Computer Simulation, Models, Chemical, Phenols, Radiation Dosage, Sonication

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