Wyszukiwarka
Combination of air-dispersion cathode with sacrificial iron anode generating Fe2+Fe3+2O4 nanostructures to degrade paracetamol under ultrasonic irradiation
Abstrakt
In the present study, ultrasound (US) was coupled with an electrochemical process (ECP) consisting of a novel cathode of carbon cloth (CC)-carbon black (CB) as the nano-composite air-dispersion cathode (NADC) for the degradation of paracetamol (APAP) in an aquatic medium. The NADC favored in situ production of H2O2 by the cathodic reduction. The implementation of iron sacrificial anode instead of dimensionally stable anodes resulted in the generation of Fe2+Fe3+2O4 nanostructures in the solution. The Fe2+Fe3+2O4 nanostructures were activated by means of both US and H2O2 to produce more OH in the aqueous solution. In addition, the utilization of US caused the conversion of H2O2 to OH irrespective of free oxidizing radicals generated through cavitation phenomenon. The hybrid method based on coupling US and NADC-ECP in the presence of Fe2+Fe3+2O4 nanostructures proved synergism (39.8%) allowing to effective decomposition of APAP. The pulse mode of US enhanced the degradation efficiency of APAP as compared to the sweep and normal modes. The intermediates of the degradation route were identified using GC–MS analysis as well as mineralization efficiency. The toxicity assay was also performed based on the inhibition test using activated sludge of a biological wastewater treatment plant.
Cytowania
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Autorzy (4)
-
Reza Mirzaee
-
Reza Darvishi
-
Alireza Khataee
Cytuj jako
Pełna treść
- Wersja publikacji
- Accepted albo Published Version
- Licencja
-
otwiera się w nowej karcie
Słowa kluczowe
Informacje szczegółowe
- Kategoria:
- Publikacja w czasopiśmie
- Typ:
- artykuł w czasopiśmie wyróżnionym w JCR
- Opublikowano w:
-
JOURNAL OF MOLECULAR LIQUIDS
nr 284,
strony 536 - 546,
ISSN: 0167-7322 - Język:
- angielski
- Rok wydania:
- 2019
- Opis bibliograficzny:
- Mirzaee R., Darvishi R., Khataee A., Boczkaj G.: Combination of air-dispersion cathode with sacrificial iron anode generating Fe2+Fe3+2O4 nanostructures to degrade paracetamol under ultrasonic irradiation// JOURNAL OF MOLECULAR LIQUIDS. -Vol. 284, (2019), s.536-546
- DOI:
- Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.1016/j.molliq.2019.04.033
- Weryfikacja:
- Politechnika Gdańska
wyświetlono 193 razy
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