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Reduction of Turbidity and Chromium Content of Tannery Wastewater by Electrocoagulation Process

Ziati, Mounir ; Khemmari, Fariza ; Aitbara, Adel ; Hazourli, Sabir

Water environment research, 2018-07, Vol.90 (7), p.598-603 [Peer Reviewed Journal]

United States: John Wiley and Sons, Inc

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  • Title:
    Reduction of Turbidity and Chromium Content of Tannery Wastewater by Electrocoagulation Process
  • Author: Ziati, Mounir ; Khemmari, Fariza ; Aitbara, Adel ; Hazourli, Sabir
  • Subjects: Aluminium ; Aluminum ; Chromium ; Distance ; Electrocoagulation ; Electrodes ; Electrolysis ; Heavy metals ; pH effects ; Pollutant removal ; Pollutants ; Raw water ; Reduction ; Removal ; tannery effluent ; Tannery wastes ; Textile industry wastewaters ; Turbidity ; Wastewater ; Wastewater pollution ; Wastewater treatment ; Water treatment
  • Is Part Of: Water environment research, 2018-07, Vol.90 (7), p.598-603
  • Notes: Laboratory of Physical Chemistry of Materials, Chemistry Department, Faculty of Sciences and Technology, Chadli Bendjedid University, El Tarf 36000, Algeria
    ziatimoun@gmail.com
    Laboratory of Soft Technologies, Physico‐Chemical Valorization of Biological Materials and Biodiversity, Chemistry Department, Faculty of Sciences, M'hamed Bougara University, Boumerdes 35000, Algeria
    Food Technology Laboratory, Department of Environmental Engineering, Faculty of Engineering Sciences, M'hamed Bougara University, Boumerdes 35000, Algeria
    Laboratory of Water Treatment and Valorization of Industrial Waste, Chemistry Department, Faculty of Sciences, Badji Mokhtar University, BP12, Annaba 23000 (Algeria); e‐mail
    ObjectType-Article-1
    SourceType-Scholarly Journals-1
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  • Description: The present study is carried out to remove chromium and turbidity from tannery wastewater using the electrocoagulation process with aluminum electrodes. This experimental study is carried out using a batch system. The applied pilot comprises a reactor containing two parallel metal electrodes (Al). The latter are connected as monopolar, and a different potential is applied between them. Several working parameters, such as applied potential difference, electrolysis time, active electrode surface, interelectrode distance, and the pH of the medium have been studied to achieve higher removal efficiency. The treatment reached a maximum reduction of 99% for turbidity and 93% for chromium under the following conditions: 15 V applied potential difference, 45 cm² electrode surface, 1 cm interelectrode distance, pH 6.1 raw water, and a contact time of 90 min. Given the treatment efficiency obtained in this study, electrocoagulation process has the potential to be used for the cost-effective removal of wastewater pollutants.
  • Publisher: United States: John Wiley and Sons, Inc
  • Language: English
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