Cited by 124Ultrasound and Cavitation PhenomenaAdvanced oxidation water treatmentMicrobial Inactivation Methods

Effects of sonochemical parameters and inorganic ions during the sonochemical degradation of crystal violet in water

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Guzman-Duque, Fernando, Pétrier, Christian, Pulgarin, Cesar, Peñuela, Gustavo, Torres-Palma, Ricardo A.·2011·Ultrasonics Sonochemistry

Abstract

This work deals with the ultrasonic degradation (800 kHz) of crystal violet (CV) under different experimental conditions. The effects of saturating gas (argon, carbon dioxide and air), CV concentration (2.45-1225 μmol L(-1)), pH (3-9) and power (20-80 W) were evaluated. The best performances were obtained at 80 W with argon as a saturating gas. The pH had no significant effect. The influence of several water matrices containing anions (chloride, sulphate and bicarbonate) and cations (Fe(2+)) on the sonolytic degradation of CV was also investigated. Significant differences were not observed with the presence of chloride and sulphate. However, at relatively low pollutant concentration (2.45 μmol L(-1)) bicarbonate showed a particular effect: a high bicarbonate concentration (350 mmol L(-1)) produced a detrimental effect, while a low bicarbonate concentration (3 mmol L(-1)) increased the efficiency of the process. The presence of Fe(2+) (1 mmol L(-1)) also increased the CV (49 μmol L(-1)) degradation by 32% after 180 min. Analyses of intermediates by GC-MS led to the identification of several sonochemical by-products: N,N-dimethylaminobenzene, 4-(N,N-dimethylamino)-4'-(N',N'-dimethylamino)benzophenone, and N,N,N',N'-tetramethyl-4,4'-diaminodiphenylmethane. The presence of these aromatic structures showed that the main ultrasonic CV degradation pathway is linked to the reaction with *OH radicals. At the end of the treatment, these early products were converted into biodegradable organic by-products which could be easily treated in a subsequent biological treatment.

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Crossref · 10.1016/j.ultsonch.2010.07.019

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Authors
Guzman-Duque, F., Pétrier, C., Pulgarin, C., Peñuela, G., & Torres-Palma, R. A.
Affiliations
  • Université Joseph Fourier (FR)
  • École Polytechnique Fédérale de Lausanne (CH)
  • Universidad de Antioquia (CO)
Corresponding author
Torres-Palma, Ricardo A.
Venue
Ultrasonics Sonochemistry
Publisher
Elsevier BV
Published
2011-01
Volume
18
Issue
1
Pages
440-446
ISSN
1350-4177 (ISSN-L)
OpenAlex
W2141583255
Cited by
124
References
52
Citations by year
2026: 4 · 2025: 13 · 2024: 10 · 2023: 7 · 2022: 6 · 2021: 10 · 2020: 15 · 2019: 4 · 2018: 6 · 2017: 7 · 2016: 9 · 2015: 16 · 2014: 12 · 2013: 3 · 2012: 2
FWCI
0.79
Type
journal article
Language
en
Open access
Locations
  • Ultrasonics Sonochemistry (publishedVersion)
  • PubMed (publishedVersion)
  • Infoscience (Ecole Polytechnique Fédérale de Lausanne) (submittedVersion)
  • Infoscience (Ecole Polytechnique Fédérale de Lausanne) (submittedVersion, cc-by-nc-nd)
Funders
Mr. Guzman-Duque
Topics
  • Physical Sciences › Materials Science › Materials Chemistry › Ultrasound and Cavitation Phenomena
  • Physical Sciences › Environmental Science › Water Science and Technology › Advanced oxidation water treatment
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Biotechnology › Microbial Inactivation Methods
Keywords
crystal violet, sonochemical degradation, sonolysis, bicarbonate, chloride, sulfate, iron(II) ions, hydroxyl radicals, degradation intermediates, dye degradation, wastewater treatment, reaction pathways
MeSH terms
Bicarbonates, Chlorides, Crystallization, Ferrous Compounds, Hydrogen-Ion Concentration, Ions, Sulfates, Ultrasonics, Water, Viola

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