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DE-627 |
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20231225042605.0 |
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231225s2019 xx |||||o 00| ||eng c |
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7 |
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|a 10.1080/09593330.2018.1478453
|2 doi
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2 |
|a pubmed24n0947.xml
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|a (DE-627)NLM284169706
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|a (NLM)29770731
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|a DE-627
|b ger
|c DE-627
|e rakwb
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| 041 |
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|a eng
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| 100 |
1 |
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|a Wohlmuth da Silva, Salatiel
|e verfasserin
|4 aut
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| 245 |
1 |
0 |
|a Antibiotics mineralization by electrochemical and UV-based hybrid processes
|b evaluation of the synergistic effect
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| 264 |
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|c 2019
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| 336 |
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|a Text
|b txt
|2 rdacontent
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| 337 |
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|a ƒaComputermedien
|b c
|2 rdamedia
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| 338 |
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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| 500 |
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|a Date Completed 09.10.2019
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| 500 |
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|a Date Revised 10.10.2019
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Antibiotics are not efficiently removed in conventional wastewater treatments. In fact, different advanced oxidation process (AOPs), including ozone, peroxide, UV radiation, among others, are being investigated in the elimination of microcontaminants. Most of AOPs proved to be efficient on the degradation of antibiotics, but the mineralization is on the one hand not evaluated or on the other hand not high. At this work, the UV-based hybrid process, namely Photo-assisted electrochemical oxidation (PEO), was applied, aiming the mineralization of microcontaminants such as the antibiotics Amoxicillin (AMX), Norfloxacin (NOR) and Azithromycin (AZI). The influence of the individual contributions of electrochemical oxidation (EO) and the UV-base processes on the hybrid process (PEO) was analysed. Results showed that AMX and NOR presented higher mineralization rate under direct photolysis than AZI due to the high absorption of UV radiation. For the EO processes, a low mineralization was found for all antibiotics, what was associated to a mass-transport limitation related to the low concentration of contaminants (200 µg/L). Besides that, an increase in mineralization was found, when heterogeneous photocatalysis and EO are compared, due to the influence of UV radiation, which overcomes the mass-transport limitations. Although the UV-based processes control the reaction pathway that leads to mineralization, the best results to mineralize the antibiotics were achieved by PEO hybrid process. This can be explained by the synergistic effect of the processes that constitute them. A higher mineralization was achieved, which is an important and useful finding to avoid the discharge of microcontaminants in the environment
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4 |
|a Journal Article
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4 |
|a UV-based processes
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4 |
|a antibiotics
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| 650 |
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4 |
|a electrochemical oxidation
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| 650 |
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4 |
|a hybrid process
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| 650 |
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4 |
|a photo-assisted electrochemical oxidation
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| 650 |
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7 |
|a Anti-Bacterial Agents
|2 NLM
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| 650 |
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7 |
|a Water Pollutants, Chemical
|2 NLM
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| 650 |
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7 |
|a Hydrogen Peroxide
|2 NLM
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| 650 |
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7 |
|a BBX060AN9V
|2 NLM
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| 700 |
1 |
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|a Arenhart Heberle, Alan Nelson
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Pereira Santos, Alexia
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Siqueira Rodrigues, Marco Antônio
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Pérez-Herranz, Valentín
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Moura Bernardes, Andréa
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Environmental technology
|d 1993
|g 40(2019), 26 vom: 01. Nov., Seite 3456-3466
|w (DE-627)NLM098202545
|x 1479-487X
|7 nnns
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| 773 |
1 |
8 |
|g volume:40
|g year:2019
|g number:26
|g day:01
|g month:11
|g pages:3456-3466
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| 856 |
4 |
0 |
|u http://dx.doi.org/10.1080/09593330.2018.1478453
|3 Volltext
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|a SYSFLAG_A
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|a GBV_ILN_350
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|a AR
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|d 40
|j 2019
|e 26
|b 01
|c 11
|h 3456-3466
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