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Electrochemical oxidation of paraben compounds and the effects of byproducts on neuronal activity
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| Veröffentlicht in: | Energy reports year:2020; 6(2020), 1 vom: Feb., Seite 903-908; month:02; volume:6; pages:903-908; number:1 |
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| Personen und Körperschaften: | , , , , , , , , , |
| Titel: | Electrochemical oxidation of paraben compounds and the effects of byproducts on neuronal activity/ M. Bosio, B. Souza-Chaves, J. Gomes, M. Gmurek, R. Martins, E. Saggioro, M. Dezotti, J.P. Bassin, M.E. Quinta-Ferreira, R.M. Quinta-Ferreira |
| Format: | E-Book-Kapitel |
| Sprache: | Englisch |
| veröffentlicht: |
2020
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| Gesamtaufnahme: |
: Energy reports, 6(2020), 1 vom: Feb., Seite 903-908
, volume:6 |
| Schlagwörter: | |
| Quelle: | Verbunddaten SWB Lizenzfreie Online-Ressourcen |
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| 245 | 1 | 0 | |a Electrochemical oxidation of paraben compounds and the effects of byproducts on neuronal activity |c M. Bosio, B. Souza-Chaves, J. Gomes, M. Gmurek, R. Martins, E. Saggioro, M. Dezotti, J.P. Bassin, M.E. Quinta-Ferreira, R.M. Quinta-Ferreira |
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| author | Bosio, M., Souza-Chaves, B., Gomes, J., Gmurek, M., Martins, R., Saggioro, E., Dezotti, M., Bassin, J. P., Quinta-Ferreira, M. E., Quinta-Ferreira, R. M. |
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| contents | Some organic recalcitrant compounds are not degraded by conventional water treatment systems, making necessary the use of advanced technologies to eliminate these substances. Advanced Oxidation Processes (AOPs) have been extensively proposed to remove emerging contaminants aiming potable water reuse, but literature barely addresses neurotoxic effects of AOPs residual byproducts. These processes involve high costs associated with the electricity, maintenance and oxidizing agent used. However, electrochemical AOPs are techniques based on electron transfer, thus being a clean form of energy and very efficient in the degradation of organic pollutants. Parabens are naturally found in plant sources but most are chemically synthesized, requiring careful treatment to not disturb the environment. In this study, a mixture of parabens (10 mg L−1 each) was degraded by an electrochemical oxidation (EO) system with a Ti/Pt anode. Some parameters, such as the current density (25, 75 and 125 A m−2) and the electrolyte type and concentration (1.5, 3.0 and 5.0 g NaCl L−1 and 3.0 g Na2SO4 L−1) were changed. The best results were obtained with 125 A m−2 and 3.0 g NaCl L−1, which led to the complete degradation of the parabens present in the mixture, after 10 min. In addition to these studies neurotoxicity tests were also performed using the solutions of interest, before and after the EO treatment. It was observed, using the reactive oxygen species (ROS) fluorescent indicator H2DCFDA, that the non-treated solution caused an increase in ROS formation with a signal amplitude of 0.84 ± 0.20 above the baseline. After the EO process the parabens mixture did not lead to a significant ROS change. The solution to bridge the problem of high electricity costs may be replacing it with solar energy, low cost catalysts and other treatment processes involving renewable and eco-friendly energy. |
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| spelling | Bosio, M. VerfasserIn aut, Electrochemical oxidation of paraben compounds and the effects of byproducts on neuronal activity M. Bosio, B. Souza-Chaves, J. Gomes, M. Gmurek, R. Martins, E. Saggioro, M. Dezotti, J.P. Bassin, M.E. Quinta-Ferreira, R.M. Quinta-Ferreira, 2020, Text txt rdacontent, Computermedien c rdamedia, Online-Ressource cr rdacarrier, DE-206 Open Access Controlled Vocabulary for Access Rights http://purl.org/coar/access_right/c_abf2, Some organic recalcitrant compounds are not degraded by conventional water treatment systems, making necessary the use of advanced technologies to eliminate these substances. Advanced Oxidation Processes (AOPs) have been extensively proposed to remove emerging contaminants aiming potable water reuse, but literature barely addresses neurotoxic effects of AOPs residual byproducts. These processes involve high costs associated with the electricity, maintenance and oxidizing agent used. However, electrochemical AOPs are techniques based on electron transfer, thus being a clean form of energy and very efficient in the degradation of organic pollutants. Parabens are naturally found in plant sources but most are chemically synthesized, requiring careful treatment to not disturb the environment. In this study, a mixture of parabens (10 mg L−1 each) was degraded by an electrochemical oxidation (EO) system with a Ti/Pt anode. Some parameters, such as the current density (25, 75 and 125 A m−2) and the electrolyte type and concentration (1.5, 3.0 and 5.0 g NaCl L−1 and 3.0 g Na2SO4 L−1) were changed. The best results were obtained with 125 A m−2 and 3.0 g NaCl L−1, which led to the complete degradation of the parabens present in the mixture, after 10 min. In addition to these studies neurotoxicity tests were also performed using the solutions of interest, before and after the EO treatment. It was observed, using the reactive oxygen species (ROS) fluorescent indicator H2DCFDA, that the non-treated solution caused an increase in ROS formation with a signal amplitude of 0.84 ± 0.20 above the baseline. After the EO process the parabens mixture did not lead to a significant ROS change. The solution to bridge the problem of high electricity costs may be replacing it with solar energy, low cost catalysts and other treatment processes involving renewable and eco-friendly energy., DE-206 Namensnennung - Nicht kommerziell - Keine Bearbeitungen 4.0 International CC BY-NC-ND 4.0 cc https://creativecommons.org/licenses/by-nc-nd/4.0/, (DE-206)49 Aufsatz in Zeitschrift DE-206, (DE-206)7 Kongressbeitrag DE-206, Souza-Chaves, B. VerfasserIn aut, Gomes, J. VerfasserIn aut, Gmurek, M. VerfasserIn aut, Martins, R. VerfasserIn aut, Saggioro, E. VerfasserIn aut, Dezotti, M. VerfasserIn aut, Bassin, J. P. VerfasserIn aut, Quinta-Ferreira, M. E. VerfasserIn aut, Quinta-Ferreira, R. M. VerfasserIn aut, Enthalten in Energy reports Amsterdam [u.a.] : Elsevier, 2015 6(2020), 1 vom: Feb., Seite 903-908 Online-Ressource (DE-627)820689033 (DE-600)2814795-9 (DE-576)427950821 2352-4847 nnns, volume:6 year:2020 number:1 month:02 pages:903-908, https://www.sciencedirect.com/science/article/pii/S2352484719312831/pdfft?md5=51f931d45e79612da29c248baf06f231&pid=1-s2.0-S2352484719312831-main.pdf Verlag kostenfrei, https://doi.org/10.1016/j.egyr.2019.11.156 Resolving-System kostenfrei, http://hdl.handle.net/10419/243841 Resolving-System kostenfrei, https://doi.org/10.1016/j.egyr.2019.11.156 LFER, https://www.sciencedirect.com/science/article/pii/S2352484719312831/pdfft?md5=51f931d45e79612da29c248baf06f231&pid=1-s2.0-S2352484719312831-main.pdf LFER, LFER epn:362061976X 2020-04-07T00:00:00Z |
| spellingShingle | Bosio, M., Souza-Chaves, B., Gomes, J., Gmurek, M., Martins, R., Saggioro, E., Dezotti, M., Bassin, J. P., Quinta-Ferreira, M. E., Quinta-Ferreira, R. M., Electrochemical oxidation of paraben compounds and the effects of byproducts on neuronal activity, Some organic recalcitrant compounds are not degraded by conventional water treatment systems, making necessary the use of advanced technologies to eliminate these substances. Advanced Oxidation Processes (AOPs) have been extensively proposed to remove emerging contaminants aiming potable water reuse, but literature barely addresses neurotoxic effects of AOPs residual byproducts. These processes involve high costs associated with the electricity, maintenance and oxidizing agent used. However, electrochemical AOPs are techniques based on electron transfer, thus being a clean form of energy and very efficient in the degradation of organic pollutants. Parabens are naturally found in plant sources but most are chemically synthesized, requiring careful treatment to not disturb the environment. In this study, a mixture of parabens (10 mg L−1 each) was degraded by an electrochemical oxidation (EO) system with a Ti/Pt anode. Some parameters, such as the current density (25, 75 and 125 A m−2) and the electrolyte type and concentration (1.5, 3.0 and 5.0 g NaCl L−1 and 3.0 g Na2SO4 L−1) were changed. The best results were obtained with 125 A m−2 and 3.0 g NaCl L−1, which led to the complete degradation of the parabens present in the mixture, after 10 min. In addition to these studies neurotoxicity tests were also performed using the solutions of interest, before and after the EO treatment. It was observed, using the reactive oxygen species (ROS) fluorescent indicator H2DCFDA, that the non-treated solution caused an increase in ROS formation with a signal amplitude of 0.84 ± 0.20 above the baseline. After the EO process the parabens mixture did not lead to a significant ROS change. The solution to bridge the problem of high electricity costs may be replacing it with solar energy, low cost catalysts and other treatment processes involving renewable and eco-friendly energy., Aufsatz in Zeitschrift, Kongressbeitrag |
| title | Electrochemical oxidation of paraben compounds and the effects of byproducts on neuronal activity |
| title_auth | Electrochemical oxidation of paraben compounds and the effects of byproducts on neuronal activity |
| title_full | Electrochemical oxidation of paraben compounds and the effects of byproducts on neuronal activity M. Bosio, B. Souza-Chaves, J. Gomes, M. Gmurek, R. Martins, E. Saggioro, M. Dezotti, J.P. Bassin, M.E. Quinta-Ferreira, R.M. Quinta-Ferreira |
| title_fullStr | Electrochemical oxidation of paraben compounds and the effects of byproducts on neuronal activity M. Bosio, B. Souza-Chaves, J. Gomes, M. Gmurek, R. Martins, E. Saggioro, M. Dezotti, J.P. Bassin, M.E. Quinta-Ferreira, R.M. Quinta-Ferreira |
| title_full_unstemmed | Electrochemical oxidation of paraben compounds and the effects of byproducts on neuronal activity M. Bosio, B. Souza-Chaves, J. Gomes, M. Gmurek, R. Martins, E. Saggioro, M. Dezotti, J.P. Bassin, M.E. Quinta-Ferreira, R.M. Quinta-Ferreira |
| title_in_hierarchy | Electrochemical oxidation of paraben compounds and the effects of byproducts on neuronal activity / M. Bosio, B. Souza-Chaves, J. Gomes, M. Gmurek, R. Martins, E. Saggioro, M. Dezotti, J.P. Bassin, M.E. Quinta-Ferreira, R.M. Quinta-Ferreira, |
| title_short | Electrochemical oxidation of paraben compounds and the effects of byproducts on neuronal activity |
| title_sort | electrochemical oxidation of paraben compounds and the effects of byproducts on neuronal activity |
| title_unstemmed | Electrochemical oxidation of paraben compounds and the effects of byproducts on neuronal activity |
| topic | Aufsatz in Zeitschrift, Kongressbeitrag |
| topic_facet | Aufsatz in Zeitschrift, Kongressbeitrag |
| url | https://www.sciencedirect.com/science/article/pii/S2352484719312831/pdfft?md5=51f931d45e79612da29c248baf06f231&pid=1-s2.0-S2352484719312831-main.pdf, https://doi.org/10.1016/j.egyr.2019.11.156, http://hdl.handle.net/10419/243841 |
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