Electrochemical treatment of chemical mechanical polishing wastewater: removal of fluoride — sludge characteristics — operating cost

The aim of this paper is to propose an efficient and low-cost treatment of chemical mechanical polishing wastewater process based on electrocoagulation with iron bipolar electrodes. The performance of a pilot scale electrochemical reactor equipped with iron bipolar electrodes and an anode active are...

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Bibliographic Details
Published in:Desalination 2008-03, Vol.223 (1), p.134-142
Main Authors: Drouiche, N., Ghaffour, N., Lounici, H., Mameri, N., Maallemi, A., Mahmoudi, H.
Format: Article
Language:English
Subjects:
Applied sciences
Bipolar electrodes
Chemical engineering
CMP
Electrocoagulation
Exact sciences and technology
General purification processes
Lime
Liquid-liquid and fluid-solid mechanical separations
Pollution
Reactors
Settling
Wastewater
Wastewaters
Water treatment and pollution
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Summary:The aim of this paper is to propose an efficient and low-cost treatment of chemical mechanical polishing wastewater process based on electrocoagulation with iron bipolar electrodes. The performance of a pilot scale electrochemical reactor equipped with iron bipolar electrodes and an anode active area surface of about 170 cm 2 was studied. In addition, sludge settling after electrocoagulation were characterized. The pilot study yield promising results, suggesting that further in-depth development study is worth to be considered in a future work.
ISSN:0011-9164
1873-4464
DOI:10.1016/j.desal.2007.01.191