Ultrasound based AOP for emerging pollutants: From degradation to mechanism
Abstract
Ultrasound is known to degrade organic compounds by pyrolysis and by the reaction of free radicals. In this work, sonolytic degradation of an identified water pollutant, coomassie brilliant blue (CBB), has been carried out in pure water as well as in river water. In the case of pure water, 90 % degradation was obtained after 30 min of sonication (350 kHz frequency, 60 W power), whereas in river water, the same efficiency was achieved only after 90 min. The degradation was also performed in the presence of varying concentration of (10-100 mg L-1) inorganic ions such as chloride, sulfate, nitrate, bicarbonate, and carbonate ions which were detected in the river water sample. Higher concentration of chloride enhanced the degradation due to the salting out mechanism. The enhancement of degradation in the presence of nitrate is mainly due to the change in the surface potential at the interface of the cavitating bubble. Bicarbonate ion and carbonate ion enhanced the degradation due to the involvement of carbonate radicals. A possible degradation mechanism is proposed based on the product profile determined by LC-Q-ToF-MS. The low efficiency of degradation in river water compared to that in pure water is likely due to the increased rate of bubble dissolution or escape of bubbles (degassing effect), and the scavenging of •OH by the organic content (high chemical oxygen demand (COD)).
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TPM dyes are degraded via hydroxylation, de-alkylation, and bond cleavage of the central carbon atom.
“The TPM dyes are degraded via hydroxylation, de-alkylation, and bond cleavage of the central carbon atom.”
From Advanced Oxidation Processes for Degradation of Water Pollutants—Ambivalent Impact of Carbonate Species: A Review (2023) · cites this paper as [103]
The degradation of Coomassie brilliant blue is not affected by carbonate or bicarbonate ions.
“On the other hand, the degradation of Coomassie brilliant blue is not affected by the carbonate or bicarbonate ions [103].”
From Advanced Oxidation Processes for Degradation of Water Pollutants—Ambivalent Impact of Carbonate Species: A Review (2023) · cites this paper as [103]
A similar reduction effect is reported for pollutants such as coomassie brilliant blue, crystal violet, penicillinic antibiotics, propyl paraben, ethyl paraben, neonicotinoid, etc.
“A similar effect is reported for pollutants such as coomassie brilliant blue, crystal violet, penicillinic antibiotics, propyl paraben, ethyl paraben, neonicotinoid, etc. [103,124-127].”
From Advanced Oxidation Processes for Degradation of Water Pollutants—Ambivalent Impact of Carbonate Species: A Review (2023) · cites this paper as [103]
Cites
Buxton, G. V., Greenstock, C. L., Helman, W. P., & Ross, A. B. (1988) · Journal of Physical and Chemical Reference Data · doi:10.1063/1.555805 · Cited by 12,332 · see citing works
Electrochemical Advanced Oxidation Processes: Today and Tomorrow. A Review
Sirés, I., Brillas, E., Oturan, M. A., Rodrigo, M. A., & Panizza, M. (2014) · Environmental Science and Pollution Research · doi:10.1007/s11356-014-2783-1 · Cited by 1,943 · see citing works
The characterization of acoustic cavitation bubbles – An overview
Ashokkumar, M. (2010) · Ultrasonics Sonochemistry · doi:10.1016/j.ultsonch.2010.11.016 · Cited by 940 · see citing works
Colour in textile effluents - sources, measurement, discharge consents and simulation: a review
O’Neill, C., Hawkes, F. R., Hawkes, D. L., Lourenço, N. D., Pinheiro, H. M., & Delée, W. (1999) · Journal of Chemical Technology & Biotechnology · doi:10.1002/(sici)1097-4660(199911)74:11 · Cited by 905 · see citing works
Singh, K., & Arora, S. (2011) · Critical Reviews in Environmental Science and Technology · doi:10.1080/10643380903218376 · Cited by 680 · see citing works
Microbial decolorization and degradation of synthetic dyes: a review
Khan, R., Pathak, B., & Fulekar, M. H. (2012) · Reviews in Environmental Science and Bio/Technology · doi:10.1007/s11157-012-9287-6 · Cited by 451 · see citing works
Microbial process for the decolorization of textile effluent containing azo, diazo and reactive dyes
Nigam, P. S. N., Banat, I. M., Singh, D., & Marchant, R. (1996) · Process Biochemistry · doi:10.1016/0032-9592(95)00085-2 · Cited by 423 · see citing works
Makino, K., Mossoba, M. M., & Riesz, P. (1982) · Journal of the American Chemical Society · doi:10.1021/ja00376a064 · Cited by 392 · see citing works
Chowdhury, P., & Viraraghavan, T. (2009) · Science of The Total Environment · doi:10.1016/j.scitotenv.2008.12.031 · Cited by 319 · see citing works
Surface potentials of aqueous electrolyte solutions
Jarvis, N. L., & Scheiman, M. A. (1968) · The Journal of Physical Chemistry · doi:10.1021/j100847a014 · Cited by 303 · see citing works
Cheng, J., Vecitis, C. D., Park, H., Mader, B. T., & Hoffmann, M. R. (2008) · Environmental Science & Technology · doi:10.1021/es8013858 · Cited by 277 · see citing works
Merouani, S., Hamdaoui, O., Saoudi, F., Chiha, M., & Pétrier, C. (2010) · Journal of Hazardous Materials · doi:10.1016/j.jhazmat.2009.10.046 · Cited by 239 · see citing works
Cheng, J., Vecitis, C. D., Park, H., Mader, B. T., & Hoffmann, M. R. (2009) · Environmental Science & Technology · doi:10.1021/es902651g · Cited by 203 · see citing works
Effect of pH on the ultrasonic degradation of ionic aromatic compounds in aqueous solution
Jiang, Y., Pétrier, C., & Waite, T. D. (2002) · Ultrasonics Sonochemistry · doi:10.1016/s1350-4177(01)00114-6 · Cited by 180 · see citing works
Detection of low concentrations of malachite green and crystal violet in water
Šafařı́k, I., & Šafařı́ková, M. (2002) · Water Research · doi:10.1016/s0043-1354(01)00243-3 · Cited by 177 · see citing works
Torres-Palma, R. A., Abdelmalek, F., Combet, E., Pétrier, C., & Pulgarin, C. O. (2007) · Journal of Hazardous Materials · doi:10.1016/j.jhazmat.2007.04.056 · Cited by 175 · see citing works
Oxidation of Aqueous Pollutants Using Ultrasound: Salt-Induced Enhancement
Seymour, J. D., & Gupta, R. B. (1997) · Industrial & Engineering Chemistry Research · doi:10.1021/ie970069o · Cited by 151 · see citing works
Enhanced sonochemical degradation of bisphenol-A by bicarbonate ions
Pétrier, C., Torres-Palma, R., Combet, E., Sarantakos, G., Baup, S., & Pulgarin, C. (2010) · Ultrasonics Sonochemistry · doi:10.1016/j.ultsonch.2009.05.010 · Cited by 144 · see citing works
Oxidative degradation of dyes by ultraviolet radiation in the presence of hydrogen peroxide
Colonna, G. M., Caronna, T., & Marcandalli, B. (1999) · Dyes and Pigments · doi:10.1016/s0143-7208(98)00085-0 · Cited by 141 · see citing works
Sirés, I., Guivarch, E., Oturan, N., & Oturan, M. A. (2008) · Chemosphere · doi:10.1016/j.chemosphere.2008.03.010 · Cited by 137 · see citing works
Sunartio, D., Ashokkumar, M., & Grieser, F. (2007) · Journal of the American Chemical Society · doi:10.1021/ja068980w · Cited by 134 · see citing works
Reactivity of the carbonate radical toward aromatic compounds in aqueous solution
Chen, S.-N., Hoffman, M. Z., & Parsons, G. H. (1975) · The Journal of Physical Chemistry · doi:10.1021/j100585a004 · Cited by 107 · see citing works
Autin, O., Hart, J., Jarvis, P. R., MacAdam, J., Parsons, S. A., & Jefferson, B. (2013) · Water Research · doi:10.1016/j.watres.2013.01.022 · Cited by 104 · see citing works
Rayaroth, M. P., Aravind, U. K., & Aravindakumar, C. T. (2014) · Chemosphere · doi:10.1016/j.chemosphere.2014.08.037 · Cited by 100 · see citing works
Self-citationNanzai, B., Okitsu, K., Takenaka, N., Bandow, H., & Maeda, Y. (2007) · Ultrasonics Sonochemistry · doi:10.1016/j.ultsonch.2007.06.010 · Cited by 84 · see citing works
Vaidyanathan, V. K., SathyaSelvabala, V., Premkumar, P., Vidhyadevi, T., & Sivanesan, S. (2011) · Journal of Molecular Catalysis B Enzymatic · doi:10.1016/j.molcatb.2011.08.015 · Cited by 79 · see citing works
Sasi, S., Rayaroth, M. P., Devadasan, D., Aravind, U. K., & Aravindakumar, C. T. (2015) · Journal of Hazardous Materials · doi:10.1016/j.jhazmat.2015.06.072 · Cited by 72 · see citing works
Self-citationEffect of Ultrasonic Frequency on the Mechanism of Formic Acid Sonolysis
Navarro, N. M., Chave, T., Pochon, P., Bisel, I., & Nikitenko, S. I. (2011) · The Journal of Physical Chemistry B · doi:10.1021/jp109444h · Cited by 72 · see citing works
Photolytic oxidation of Coomassie Brilliant Blue with HO
RAUF, M., Ashraf, S. M., & Alhadrami, S. (2004) · Dyes and Pigments · doi:10.1016/j.dyepig.2004.09.006 · Cited by 71 · see citing works
Colón, I., & Richoll, S. M. (2005) · Journal of Pharmaceutical and Biomedical Analysis · doi:10.1016/j.jpba.2005.04.037 · Cited by 69 · see citing works
Sulphonated aromatic pollutants
Schwitzguébel, J., Aubert, S., Große, W., & Laturnus, F. (2002) · Environmental Science and Pollution Research · doi:10.1007/bf02987317 · Cited by 61 · see citing works
More on sonolytic and sonocatalytic decomposition of Diclofenac using zero-valent iron
Ziylan, A., Koltypin, Y., Gedanken, A., & Ince, N. H. (2012) · Ultrasonics Sonochemistry · doi:10.1016/j.ultsonch.2012.05.005 · Cited by 59 · see citing works
Photocatalytic decoloration of Coomassie Brilliant Blue with titanium oxide
Bukallah, S. B., Rauf, M., & Ashraf, S. M. (2005) · Dyes and Pigments · doi:10.1016/j.dyepig.2005.09.016 · Cited by 54 · see citing works
Potential toxicity and affinity of triphenylmethane dye malachite green to lysozyme
Ding, F., Li, X.-N., Diao, J.-X., Sun, Y., Zhang, L., Ma, L., Yang, X., Zhang, L., & Sun, Y. (2012) · Ecotoxicology and Environmental Safety · doi:10.1016/j.ecoenv.2011.11.006 · Cited by 54 · see citing works
Sonochemical degradation of a pharmaceutical waste, atenolol, in aqueous medium
Khalid, N. K., Rayaroth, M. P., Aravind, U. K., & Aravindakumar, C. T. (2013) · Environmental Science and Pollution Research · doi:10.1007/s11356-013-2301-x · Cited by 52 · see citing works
Self-citationNakatani, N., Hashimoto, N., Shindo, H., Yamamoto, M., Kikkawa, M., & Sakugawa, H. (2006) · Analytica Chimica Acta · doi:10.1016/j.aca.2006.08.021 · Cited by 52 · see citing works
Grčić, I., Papić, S., Mesec, D., Koprivanac, N., & Vujević, D. (2013) · Journal of Photochemistry and Photobiology A Chemistry · doi:10.1016/j.jphotochem.2013.09.009 · Cited by 37 · see citing works
Rayaroth, M. P., Khalid, N. K., Sasi, S., Aravind, U. K., & Aravindakumar, C. T. (2015) · CLEAN - Soil Air Water · doi:10.1002/clen.201400508 · Cited by 24 · see citing works
Self-citationGuin, J. P., Bhardwaj, Y. K., Naik, D. B., & Varshney, L. (2014) · RSC Advances · doi:10.1039/c4ra10304a · Cited by 23 · see citing works
Stopper, H. (2002) · Mutagenesis · doi:10.1093/mutage/17.2.177 · Cited by 19 · see citing works
Reduction of pigment dispersions by Shewanella strain J18 143
Pearce, C. I., Guthrie, J. T., & Lloyd, J. R. (2007) · Dyes and Pigments · doi:10.1016/j.dyepig.2007.01.008 · Cited by 17 · see citing works
Ramachandran, H., & Amirul, A. A. (2013) · Biotechnology and Bioprocess Engineering · doi:10.1007/s12257-013-0452-8 · Cited by 14 · see citing works
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Paz, A., Carballo, J., Pérez, M. J., & Domínguez, J. M. (2017) · Chemosphere · doi:10.1016/j.chemosphere.2017.04.046 · Cited by 327 · see citing works
Contaminants of emerging concern: a review of new approach in AOP technologies
Salimi, M., Esrafili, A., Gholami, M., Jafari, A. J., Kalantary, R. R., Farzadkia, M., Kermani, M., & Sobhi, H. R. (2017) · Environmental Monitoring and Assessment · doi:10.1007/s10661-017-6097-x · Cited by 311 · see citing works
Rayaroth, M. P., Boczkaj, G., Aubry, O., Aravind, U. K., & Aravindakumar, C. T. (2023) · Water · doi:10.3390/w15081615 · Cited by 171 · see citing works
“Sonochemical degradation of various dyes in the triphenyl methane (TPM) category was already reported [62,103].”
Self-citationIntisar, A., Ramzan, A., Hafeez, S., Hussain, N., Irfan, M., Shakeel, N., Gill, K. A., Iqbal, A., Janczarek, M., & Jesionowski, T. (2023) · Chemosphere · doi:10.1016/j.chemosphere.2023.139203 · Cited by 123 · see citing works
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da Silva, T. L., Costa, C. S. D., da Silva, M. G. C., & Vieira, M. G. A. (2022) · Journal of Cleaner Production · doi:10.1016/j.jclepro.2022.131226 · Cited by 83 · see citing works
Ezeuko, A. S., Ojemaye, M. O., Okoh, O. O., & Okoh, A. I. (2021) · Journal of Water Process Engineering · doi:10.1016/j.jwpe.2021.102041 · Cited by 77 · see citing works
Shokouhi, S. B., Dehghanzadeh, R., Aslani, H., & Shahmahdi, N. (2020) · Journal of Water Process Engineering · doi:10.1016/j.jwpe.2020.101188 · Cited by 67 · see citing works
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Kaswan, V., & Kaur, H. (2023) · Water Practice & Technology · doi:10.2166/wpt.2023.061 · Cited by 69 · see citing works
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Self-citationLiu, S., Long, Z., Liu, H., Wang, Y., Zhang, J., Zhang, G., & Liang, J. (2024) · Chemosphere · doi:10.1016/j.chemosphere.2024.141286 · Cited by 43 · see citing works
Almaguer, M. A., Cruz, Y. R., & da Fonseca, F. V. (2021) · Environmental Processes · doi:10.1007/s40710-020-00492-x · Cited by 34 · see citing works
Philip, J. M., Koshy, C. M., Aravind, U. K., & Aravindakumar, C. T. (2022) · Journal of Environmental Chemical Engineering · doi:10.1016/j.jece.2022.107509 · Cited by 29 · see citing works
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Arvaniti, O. S., Cheiletzari, G., Panagopoulou, E. I., Τhomaidis, Ν. S., Mantzavinos, D., & Frontistis, Z. (2023) · Journal of Water Process Engineering · doi:10.1016/j.jwpe.2023.103890 · Cited by 8 · see citing works
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Jung, S., Lee, H., Ki, S. J., Kim, S.-J., & Park, Y. (2019) · Catalysis Today · doi:10.1016/j.cattod.2019.08.021 · Cited by 4 · see citing works
Orodo, V. A., Abuom, P. O., Shikanga, E. A., Osewe, E. T., Anyona, D. N., Mngube, F. M., & Odongo, S. A. (2024) · Journal of Biophysical Chemistry · doi:10.4236/jbpc.2024.151001 · Cited by 3 · see citing works
Farag, A. A. M., Hussien, M. S. A., & Roushdy, N. (2020) · ChemistrySelect · doi:10.1002/slct.202001137 · Cited by 2 · see citing works
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- Authors
- Rayaroth, M. P., Aravind, U. K., & Aravindakumar, C. T.
- Affiliations
- Mahatma Gandhi University (IN)
- Corresponding author
- Aravindakumar, Charuvila T.
- Venue
- Environmental Science and Pollution Research
- Published
- 2016-04-14
- Volume
- 24
- Issue
- 7
- Pages
- 6261-6269
- ISSN
- 0944-1344 (ISSN-L)
- 1614-7499
- OpenAlex
- W2335863220
- Cited by
- 40
- References
- 42
- Citations by year
- 2025: 1 · 2024: 8 · 2023: 6 · 2022: 6 · 2021: 3 · 2020: 5 · 2019: 4 · 2018: 5 · 2017: 2
- FWCI
- 1.63
- Type
- journal article
- Language
- en
- Open access
- closed
- Licence
- www.springer.com/tdm (tdm)
- Locations
- Environmental Science and Pollution Research (publishedVersion)
- PubMed (publishedVersion)
- Funders
- Kerala State Council for Science, Technology and Environment (IN)
- 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
- sonolysis, Coomassie Brilliant Blue, emerging contaminants, river water, salting-out, nitrate, carbonate radical, hydroxyl radical scavenging, degradation mechanism, chemical oxygen demand
- MeSH terms
- Ultrasonic Waves, Carbonates, Chlorides, Nitrates, Oxidation-Reduction, Rosaniline Dyes, Sonication, Sulfates, Water, Water Pollutants, Chemical, Water Purification, Rivers, Biological Oxygen Demand Analysis
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