Electrochemical incineration of glyphosate wastewater using three-dimensional electrode

Anodic oxidation of recalcitrant organic compounds is still challenging concerning to the anode material and mass transport limitations imposed by the low concentration. In this work, we studied the degradation of a real wastewater containing glyphosate using an electrode of PbO2 electrodeposited on...

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Veröffentlicht in:Environmental technology. - 1993. - 42(2021), 2 vom: 08. Jan., Seite 170-181
1. Verfasser: Oliveira, Kaíque S G C (VerfasserIn)
Weitere Verfasser: Farinos, Rosimeire M, Veroli, Alyne B, Ruotolo, Luís A M
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2021
Zugriff auf das übergeordnete Werk:Environmental technology
Schlagworte:Journal Article Anodic oxidation Box–Behnken design glyphosate mass transfer wastewater treatment Waste Water Water Pollutants, Chemical Glycine TE7660XO1C
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520 |a Anodic oxidation of recalcitrant organic compounds is still challenging concerning to the anode material and mass transport limitations imposed by the low concentration. In this work, we studied the degradation of a real wastewater containing glyphosate using an electrode of PbO2 electrodeposited on a three-dimensional matrix of reticulated vitreous carbon (RVC). The high mass transfer rate provided by the RVC/PbO2 anode is demonstrated. A Box-Behnken factorial design was used for a systematic analysis of the effects of current density, flow rate and temperature on the degradation and mineralisation kinetics, current efficiency and specific energy consumption. The optimised degradation performance was achieved applying 30 mA cm-2, 3000 mL min-1 and 50°C. As the flow rate increases from 150 to 1500 mL min-1, the current efficiency increases from 18% to 65% and the energy consumption dropped from 72 to 33 kWh kg-1 due to the mass transfer enhancement promoted by the porous matrix. The efficacy of the electrochemical process for the treatment of real effluents using the three-dimensional PbO2 has been demonstrated 
650 4 |a Journal Article 
650 4 |a Anodic oxidation 
650 4 |a Box–Behnken design 
650 4 |a glyphosate 
650 4 |a mass transfer 
650 4 |a wastewater treatment 
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650 7 |a Water Pollutants, Chemical  |2 NLM 
650 7 |a Glycine  |2 NLM 
650 7 |a TE7660XO1C  |2 NLM 
700 1 |a Farinos, Rosimeire M  |e verfasserin  |4 aut 
700 1 |a Veroli, Alyne B  |e verfasserin  |4 aut 
700 1 |a Ruotolo, Luís A M  |e verfasserin  |4 aut 
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