Cited by 239Ultrasound and Cavitation PhenomenaAdvanced oxidation water treatmentMinerals Flotation and Separation Techniques

Influence of bicarbonate and carbonate ions on sonochemical degradation of Rhodamine B in aqueous phase

Merouani, Slimane, Hamdaoui, Oualid, Saoudi, Fethi, Chiha, Mahdi, Pétrier, Christian·2010·Journal of Hazardous Materials

Abstract

The influence of bicarbonate and carbonate ions on sonolytic degradation of cationic dye, Rhodamine B (RhB), in water was investigated. As a consequence of ultrasonic cavitation that generates .OH radicals, carbonate radicals were secondary products of water sonochemistry when it contains dissolved bicarbonate or carbonate ions. The results clearly demonstrated the significant intensification of sonolytic destruction of RhB in the presence of bicarbonate and carbonate, especially at lower dye concentrations. Degradation intensification occurs because carbonate radicals sonochemically formed undergo radical-radical recombination at a lesser extent than hydroxyl radicals. The generated carbonate radicals are likely able to migrate far from the cavitation bubbles towards the solution bulk and are suitable for degradation of an organic dye such as RhB. Therefore, at low dye concentrations, carbonate radical presents a more selective reactivity towards RhB molecules than hydroxyl radical. In the presence of bicarbonate, degradation rate reached a maximum at 3 g L(-1) bicarbonate, but subsequent addition retards the destruction process. In RhB solutions containing carbonate, the oxidation rate gradually increased with increasing carbonate concentration up to 10 g L(-1) and slightly decreased afterward. Carbonate radicals sonochemically generated are suitable for total removal of COD of sonicated RhB solutions.

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Crossref · 10.1016/j.jhazmat.2009.10.046

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Authors
Merouani, S., Hamdaoui, O., Saoudi, F., Chiha, M., & Pétrier, C.
Affiliations
  • Badji Mokhtar-Annaba University (DZ)
  • Université Joseph Fourier (FR)
Corresponding author
Hamdaoui, Oualid
Venue
Journal of Hazardous Materials
Publisher
Elsevier BV
Published
2010-03
Volume
175
Issue
1-3
Pages
593-599
ISSN
0304-3894 (ISSN-L)
OpenAlex
W2083601946
Cited by
239
References
22
Citations by year
2026: 6 · 2025: 27 · 2024: 22 · 2023: 24 · 2022: 17 · 2021: 28 · 2020: 22 · 2019: 9 · 2018: 8 · 2017: 9 · 2016: 11 · 2015: 11 · 2014: 13 · 2013: 10 · 2012: 12
FWCI
3.54
Type
journal article
Language
en
Open access
closed
Locations
  • Journal of Hazardous Materials (publishedVersion)
  • PubMed (publishedVersion)
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
rhodamine B, sonochemical degradation, bicarbonate, carbonate ions, carbonate radical, hydroxyl radicals, acoustic cavitation, cationic dye removal, radical-radical recombination, COD removal, wastewater treatment
MeSH terms
Bicarbonates, Carbonates, Coloring Agents, Glucose, Hydrogen-Ion Concentration, Ions, Kinetics, Models, Chemical, Rhodamines, Sulfates, Ultrasonics, Water Pollutants, Chemical, Water Pollution, Hydroxyl Radical, Water Purification

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