An optimised method for electrodialytic removal of heavy metals from harbour sediments

Kristine B. Pedersen, Pernille Erland Jensen, Lisbeth M. Ottosen, Tore Lejon

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    A 2-compartment electrodialytic cell set-up for treatment of solid materials has in many respects proven superior to other types of cells in removing heavy metals from sediments. Most notably, remediation times were shorter, energy consumption was lower and higher removal efficiencies were observed. By employing m1ultivariate modelling and investigating additional experimental variables, the relative importance of variables effecting remediation was determined and response surfaces for heavy metal removal were calculated. Employing optimal conditions it was possible to remove targeted metals (Pb, Cu, Zn), by 73-96 %, and remediation objectives could be met in a large region of the studied experimental domain.
    Original languageEnglish
    JournalElectrochimica Acta
    Pages (from-to)432-439
    Number of pages8
    Publication statusPublished - 2015


    • Chemometrics
    • Electrokinetics
    • Harbour sediments
    • Heavy metals
    • Sequential extraction
    • Copper
    • Electrohydrodynamics
    • Electromagnetic fields
    • Energy utilization
    • Lead
    • Pollution
    • Electrodialytic removal
    • Heavy metal removal
    • Optimal conditions
    • Removal efficiencies
    • Sediments


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