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Anodic oxidation of a biologically treated leachate on a boron-doped diamond anode

Fernandes, A., Pacheco, M.J., Ciríaco, L., Lopes, A.·2012·Journal of Hazardous Materials
DOI 10.1016/j.jhazmat.2011.10.074
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Abstract

In the present study, the anodic oxidation of a leachate from an intermunicipal sanitary landfill was evaluated using a boron-doped diamond anode as a possible post-treatment to the biological one, in order to diminish the remaining bio-refractory organic matter. The influence of the dilution of the leachate sample and the applied current density on the performance of electrochemical oxidation was investigated. For the different assays performed, a comparison between the theoretical kinetic model for organic mineralization, proposed in the literature, and experimental data was done and the best correspondences were attained at lower applied current density for sample without dilution and at higher applied current density for the more diluted sample. However, the energetic most favourable treatment is attained for sample without dilution at very low current density. The DOC/COD ratio was also analysed and apparently, the mineralization of the organic matter improves with the dilution of the leachate samples.

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Crossref · 10.1016/j.jhazmat.2011.10.074

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  • The higher removal in the second EO treatment can be ascribed to the higher organic load content of the TDW from the first reuse cycle, since for higher organics concentration the mass transfer limitations in the electrochemical cell are reduced and the EO process is more effective.

    “which can be ascribed to the higher organic load content of the TDW obtained from the first reuse cycle, since, for higher organics concentration, the mass transfer limitations in the electrochemical cell are reduced and thus the EO process is more effective [37]”

    From Reuse of Textile Dyeing Wastewater Treated by Electrooxidation (2022) · cites this paper as [37]

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Research works printed but not linked: 24

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  20. Zhao, 2010, Highly efficient and energy-saving sectional treatment of landfill leachate with a synergistic system of biochemical treatment and electrochemical oxidation on a boron-doped diamond electrode, J. Hazard. Mater., 179, 1078, 10.1016/j.jhazmat.2010.03.115 · DOI
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Metadata

Authors
Fernandes, A., Pacheco, M. J., Ciríaco, L., & Lopes, A.
Venue
Journal of Hazardous Materials
Publisher
Elsevier BV
Published
2012-01
Volume
199-200
Pages
82-87
ISSN
0304-3894
DOI
10.1016/j.jhazmat.2011.10.074
Cited by
58
References
0
Language
en
Licence
www.elsevier.com/tdm/userlicense/1.0/ (tdm)

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