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231225s2019 xx |||||o 00| ||eng c |
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|a 10.1080/09593330.2017.1395480
|2 doi
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|a pubmed25n0923.xml
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|a (DE-627)NLM277208947
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|a (NLM)29052462
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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 Pinto, Camila Ferreira
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Experimental-design-guided approach for the removal of atrazine by sono-electrochemical-UV-chlorine techniques
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|c 2019
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|a Text
|b txt
|2 rdacontent
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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 09.09.2019
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|a Date Revised 09.09.2019
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a The aim of the present study was to investigate the electrochemical formation of free chlorine species (HOCl/ClO-) and their subsequent use for the degradation of the pesticide atrazine. Initially, the process of electrochemical-free chlorine production was investigated using a bench-scale electrochemical flow-cell. The most significant variables (electrolyte concentration ([NaCl]) and inter-electrode gap) of the process were obtained using a 23 factorial design and the optimum process conditions (1.73 mol L-1 and 0.56 cm) were determined by a central composite design. Following optimization of free chlorine production, three degradation techniques were investigated, individually and in combination, for atrazine degradation: electrochemical, photochemical and sonochemical. The method using the techniques in combination was denominated sono-photo-assisted electrochemical degradation. Constant current assays were performed and the sono-photo-assisted electrochemical process promoted more efficient removal of atrazine, achieving total organic carbon removal of ∼98% and removal of atrazine to levels below the detection limit (>99%) in under 30 min of treatment. Furthermore, the combination of three techniques displayed lower energy consumption, and phytotoxicity tests (Lactuca sativa) showed that there was no increase in toxicity
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4 |
|a Journal Article
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|a Electrochemical advanced oxidation processes
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| 650 |
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4 |
|a UV/Cl
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4 |
|a atrazine
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4 |
|a chlorine photolysis
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4 |
|a free chlorine species
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| 650 |
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|a Water Pollutants, Chemical
|2 NLM
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| 650 |
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7 |
|a Chlorine
|2 NLM
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| 650 |
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7 |
|a 4R7X1O2820
|2 NLM
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| 650 |
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7 |
|a Atrazine
|2 NLM
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| 650 |
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7 |
|a QJA9M5H4IM
|2 NLM
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| 700 |
1 |
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|a Antonelli, Raissa
|e verfasserin
|4 aut
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| 700 |
1 |
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|a de Araújo, Karla Santos
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Fornazari, Ana Luiza de Toledo
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Fernandes, David Maikel
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Granato, Ana Claudia
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Azevedo, Eduardo Bessa
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Malpass, Geoffroy Roger Pointer
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Environmental technology
|d 1993
|g 40(2019), 4 vom: 05. Jan., Seite 430-440
|w (DE-627)NLM098202545
|x 1479-487X
|7 nnas
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| 773 |
1 |
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|g volume:40
|g year:2019
|g number:4
|g day:05
|g month:01
|g pages:430-440
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|u http://dx.doi.org/10.1080/09593330.2017.1395480
|3 Volltext
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