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Mobility of ibuprofen, a persistent active drug, in soils irrigated with reclaimed water

Author

Listed:
  • V. González-Naranjo

    (Department of Chemical Engineering, University of Alcalá, Madrid, Spain
    Madrid Institute of Advanced Studies in Water Technologies, Madrid, Spain)

  • K. Boltes

    (Department of Chemical Engineering, University of Alcalá, Madrid, Spain
    Madrid Institute of Advanced Studies in Water Technologies, Madrid, Spain)

  • M. Biel

    (Department of Chemical Engineering, University of Alcalá, Madrid, Spain)

Abstract

Ibuprofen is not completely removed in wastewater treatment plants, and consequently, it may enter the soil through irrigation with reclaimed water. Subsequently, due to the reversible adsorption which takes place in the soil, this emerging pollutant can become bioavailable for plants. The adsorption reversibility of this anti-inflammatory compound on four agricultural soils was quantified with adsorption-desorption experiments. The adsorption was found to be almost linear, with a minimum nads of 0.76 and a maximum of 1.08. In contrast, desorption was nonlinear, with a ndes which ranged from 0.84 to 2.75. The hysteresis index values were low, ranging from 0.42 to 0.66; hence the process takes place reversibly. In addition, ibuprofen was found to be moderately fixed in the soils studied, with organic carbon distribution coefficient (KOC) values which ranged between 139.75 and 238.17 L/kg. Therefore, we conclude that this pollutant could be bioavailable for soil microorganisms or plants exposed to it and may reach groundwater by leaching.

Suggested Citation

  • 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.
    • Handle: RePEc:caa:jnlpse:v:59:y:2013:i:2:id:590-2012-pse
    DOI: 10.17221/590/2012-PSE
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    References listed on IDEAS

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    1. 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.
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    Cited by:

    1. Edgar HILLER & Martin ŠEBESTA, 2017. "Effect of temperature and soil pH on the sorption of ibuprofen in agricultural soil," Soil and Water Research, Czech Academy of Agricultural Sciences, vol. 12(2), pages 78-85.

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