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Biochar application to metal-contaminated soil: Evaluating of Cd, Cu, Pb and Zn sorption behavior using single- and multi-element sorption experiment

Author

Listed:
  • L. Trakal

    (Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Prague, Czech Republic)

  • M. Komárek

    (Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Prague, Czech Republic)

  • J. Száková

    (Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Prague, Czech Republic)

  • V. Zemanová

    (Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Prague, Czech Republic)

  • P. Tlustoš

    (Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Prague, Czech Republic)

Abstract

The aim of this study was to evaluate metals (Cd, Cu, Pb and Zn) sorption behavior after biochar application into a metal-contaminated soil. Additionally, two different types of biochar originated from the same organic material (contaminated and uncontaminated) at different application rates (1% and 2% w/w) were evaluated as a novelty of the experiment. Batch sorption/desorption experiments were established to compare the sorption behavior of metals originating from single- and multi-element solutions. Zinc as one of the main contaminants in the studied soil was easily desorbed in the presence of Cu, Pb and to a lesser extent by Cd. This desorption was reduced after biochar application. The obtained results proved the different sorption behavior of metals in the single-metal solution compared to the multi-metal ones due to competition effect. Moreover, during multi-element sorption, Zn was significantly desorbed. The applied biochar enhanced Cu and Pb sorption and no changes were observed when contaminated and uncontaminated biochar was used. Furthermore, the application rate (1% and 2% w/w) had no effect as well. In summary, it is needed to point out that the applied rates of biochars were insufficient for metal immobilization in such contaminated soils.

Suggested Citation

  • L. Trakal & M. Komárek & J. Száková & V. Zemanová & P. Tlustoš, 2011. "Biochar application to metal-contaminated soil: Evaluating of Cd, Cu, Pb and Zn sorption behavior using single- and multi-element sorption experiment," Plant, Soil and Environment, Czech Academy of Agricultural Sciences, vol. 57(8), pages 372-380.
  • Handle: RePEc:caa:jnlpse:v:57:y:2011:i:8:id:155-2011-pse
    DOI: 10.17221/155/2011-PSE
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    References listed on IDEAS

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    1. K. Šichorová & P. Tlustoš & J. Száková & K. Kořínek & J. Balík, 2004. "Horizontal and vertical variability of heavy metals in the soil of a polluted area," Plant, Soil and Environment, Czech Academy of Agricultural Sciences, vol. 50(12), pages 525-534.
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    Cited by:

    1. V. González-Naranjo & K. Boltes & M. Biel, 2013. "Mobility of ibuprofen, a persistent active drug, in soils irrigated with reclaimed water," Plant, Soil and Environment, Czech Academy of Agricultural Sciences, vol. 59(2), pages 68-73.

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