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Environmental Science and Pollution Research

, Volume 26, Issue 1, pp 24–33 | Cite as

Ecotoxicological evaluation of electrochemical oxidation for the treatment of sanitary landfill leachates

  • Annabel FernandesEmail author
  • Manuel Ramiro Pastorinho
  • Ana Catarina SousaEmail author
  • Wilson Silva
  • Rodrigo Silva
  • Maria João Nunes
  • Ana Sofia Rodrigues
  • Maria José Pacheco
  • Lurdes Ciríaco
  • Ana Lopes
New Toxic Emerging Contaminants: Beyond the Toxicological effects

Abstract

In this study, the efficiency of electrochemical oxidation to treat a sanitary landfill leachate was evaluated by the reduction in physico-chemical parameters and in ecotoxicity. The acute toxicity of the sanitary landfill leachates, before and after treatment, was assessed with the model organism Daphnia magna. Electrochemical oxidation treatment was effective in the removal of organic load and ammonium nitrogen and in the reduction of metal ions concentrations. Furthermore, a reduction of 2.5-fold in the acute toxicity towards D. magna after 36 h of treatment was noticed. Nevertheless, the toxicity of the treated leachate is still very high, and further treatments are necessary in order to obtain a non-toxic effluent to this aquatic organism. Toxicity results were also compared with others described in the literature for different leachate treatments and test organisms.

Keywords

Sanitary landfill leachate Electrochemical oxidation Boron-doped diamond anode Daphnia magna Acute toxicity 

Notes

Acknowledgments

The authors wish to thank Professor Amadeu M.V.M. Soares for providing the initial culture of D. magna.

Funding

The authors gratefully acknowledge the financial support from Fundação para a Ciência e a Tecnologia, FCT, to the projects UID/Multi/00195/2013, UID/Multi/00709/2013, SFRH/BPD/103615/2014 (A. Fernandes), SFRH/BD/109901/2015 (A.S. Rodrigues), and SFRH/BD/132436/2017 (M.J. Nunes). Additional financial support was provided by FEDER funds through the POCI-COMPETE 2020-Operational Programme Competitiveness and Internationalisation in Axis I-Strengthening research, technological development and innovation (Project POCI-01-0145-FEDER-007491), and from Santander Totta Universidades, project BID/ICI-UID FC/Santander Totta Universidades–UBI/2016 (R. Silva). A.C.A. Sousa also acknowledges the financial support of CNRS LabEx DRIIHM.

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Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2018

Authors and Affiliations

  • Annabel Fernandes
    • 1
    Email author return OK on get
  • Manuel Ramiro Pastorinho
    • 2
    • 3
  • Ana Catarina Sousa
    • 2
    • 3
    • 4
    • 5
    Email author
  • Wilson Silva
    • 1
    • 2
  • Rodrigo Silva
    • 1
  • Maria João Nunes
    • 1
  • Ana Sofia Rodrigues
    • 1
  • Maria José Pacheco
    • 1
  • Lurdes Ciríaco
    • 1
  • Ana Lopes
    • 1
  1. 1.FibEnTech/UBI and Department of ChemistryUniversidade da Beira InteriorCovilhãPortugal
  2. 2.Health Sciences Research Centre (CICS)Universidade da Beira InteriorCovilhãPortugal
  3. 3.NuESA-Health and Environment Study Unit, Faculty of Health SciencesUniversidade da Beira InteriorCovilhãPortugal
  4. 4.CNRS LabEx DRIIHM; CNRS-INEE-ECCOREV (Unité FR3098); OHMi Estarreja-OHM Bassin Minier de Provence; Europôle méditerranéen de L’Arbois, Bât du CEREGE-BP 80Aix en ProvenceFrance
  5. 5.CICECO and Department of ChemistryUniversidade de AveiroAveiroPortugal

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