Defluoridation of Post Treated Photovoltaic Wastewater Using Aluminum Electrodes: Optimization of Operating Parameters and Sludge Characteristics

In the present work, electrocoagulation process has been used to treat fluoride containing synthetic photovoltaic wastewater wastewater (30 mg·L −1 ·F at pH 7 in 500 mg·L −1 NaCl, current density of 18.51 A·m −2 , and distance between electrodes of 1 cm) using aluminum electrodes. According to the o...

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Veröffentlicht in:Journal of solution chemistry 2016-11, Vol.45 (11), p.1571-1579
Hauptverfasser: Drouiche, Nadjib, Palahouane, Baya, Aoudj, Salaheddine, Hecini, Mouna, Bouchelaghem, Ouahiba, Ouslimane, Tarik
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container_end_page 1579
container_issue 11
container_start_page 1571
container_title Journal of solution chemistry
container_volume 45
creator Drouiche, Nadjib
Palahouane, Baya
Aoudj, Salaheddine
Hecini, Mouna
Bouchelaghem, Ouahiba
Ouslimane, Tarik
description In the present work, electrocoagulation process has been used to treat fluoride containing synthetic photovoltaic wastewater wastewater (30 mg·L −1 ·F at pH 7 in 500 mg·L −1 NaCl, current density of 18.51 A·m −2 , and distance between electrodes of 1 cm) using aluminum electrodes. According to the obtained experimental results, fast and effective defluoridation of the treated wastewater occurred in only a few minutes of electrocoagulation. Scanning electron microscopy (SEM) and Fourier transform infrared spectroscopy (FTIR) analyses were performed to confirm the presence of fluoride in the sludge. The present electrocoagulation process is able to reduce the fluoride concentration below 15 mg·L −1 , which is maximum contaminant level of these elements in wastewater according to Algerian norms.
doi_str_mv 10.1007/s10953-016-0507-5
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According to the obtained experimental results, fast and effective defluoridation of the treated wastewater occurred in only a few minutes of electrocoagulation. Scanning electron microscopy (SEM) and Fourier transform infrared spectroscopy (FTIR) analyses were performed to confirm the presence of fluoride in the sludge. 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subjects Aluminum
Chemistry
Chemistry and Materials Science
Condensed Matter Physics
Contaminants
Electrocoagulation
Electrodes
Fluorides
Fourier transforms
Geochemistry
Industrial Chemistry/Chemical Engineering
Infrared analysis
Inorganic Chemistry
Norms
Oceanography
Optimization
Physical Chemistry
Sludge
Wastewater treatment
title Defluoridation of Post Treated Photovoltaic Wastewater Using Aluminum Electrodes: Optimization of Operating Parameters and Sludge Characteristics
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