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    Treatment of olive mill wastewater by the combination of ultrafiltration and bipolar electrochemical reactor processes

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    Type
    Article
    Authors
    Yahiaoui, O.
    Lounici, Hakim
    Abdi, Nadia
    Drouiche, Nadjib
    Ghaffour, NorEddine cc
    Pauss, André
    Mameri, Nabil
    KAUST Department
    Biological and Environmental Sciences and Engineering (BESE) Division
    Environmental Science and Engineering Program
    Water Desalination and Reuse Research Center (WDRC)
    Date
    2011-01
    Permanent link to this record
    http://hdl.handle.net/10754/561678
    
    Metadata
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    Abstract
    The main purpose of this study was to investigate the removal of the chemical oxygen demand (COD) from olive mill wastewater (OMW) by the combination of ultrafiltration with electrocoagulation process. Ultrafiltration process equipped with CERAVER membrane was used as pre-treatment for electrochemical process. The obtained permeate from the ultrafiltration process allowed COD removal efficiency of about 96% from OMW. Obtained permeate with an average COD of about 1.1gdm-3 was treated by electrochemical reactor equipped with a reactor with bipolar iron plate electrodes. The effect of the experimental parameters such as current density, pH, surface electrode/reactor volume ratio and NaCl concentration on COD removal was assessed. The results showed that the optimum COD removal rate was obtained at a current density of 93.3Am-2 and pH ranging from 4.5 to 6.5. At the optimum operational parameters for the experiments, electrocoagulation process could reduce COD from 1.1gdm-3 to 78mgdm-3, allowing direct discharge of the treated OMW as that meets the Algerian wastewater discharge standards (<125mgdm-3). © 2010 Elsevier B.V.
    Citation
    Yahiaoui, O., Lounici, H., Abdi, N., Drouiche, N., Ghaffour, N., Pauss, A., & Mameri, N. (2011). Treatment of olive mill wastewater by the combination of ultrafiltration and bipolar electrochemical reactor processes. Chemical Engineering and Processing: Process Intensification, 50(1), 37–41. doi:10.1016/j.cep.2010.11.003
    Publisher
    Elsevier BV
    Journal
    Chemical Engineering and Processing: Process Intensification
    DOI
    10.1016/j.cep.2010.11.003
    ae974a485f413a2113503eed53cd6c53
    10.1016/j.cep.2010.11.003
    Scopus Count
    Collections
    Articles; Biological and Environmental Science and Engineering (BESE) Division; Environmental Science and Engineering Program; Water Desalination and Reuse Research Center (WDRC)

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