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Mycoremediation of Atrazine in a Contaminated Clay-Loam Soil and its Adsorption-Desorption Kinetic Parameters

In: Soil Contamination - Current Consequences and Further Solutions

Author

Listed:
  • Wilberth Chan Cupul
  • Refugio Rodriguez Vazquez

Abstract

Clean-up of contaminated soils with atrazine is an ecological responsibility. The objectives of this study are to evaluate atrazine degradation in a clay-loam soil microcosm using fungal enzyme extracts from Trametes maxima and its co-culture with Paecilomyces carneus and to determine the kinetic parameters of the adsorption-desorption of atrazine in soil. Fungal co-culture extract (T. maxima-P. carneus) and monoculture (T. maxima) were able to degrade 100% of atrazine. However, we observed variation in atrazine degradation over the course of the evaluated time period, which suggests that an adsorption-desorption process is occurring in the soil. Adsorption-desorption kinetic parameters of the Freundlich model revealed that the studied soil has a significant capacity to adsorb atrazine (KF = 8.2148; r2 = 0.992 and P-value

Suggested Citation

  • Wilberth Chan Cupul & Refugio Rodriguez Vazquez, 2016. "Mycoremediation of Atrazine in a Contaminated Clay-Loam Soil and its Adsorption-Desorption Kinetic Parameters," Chapters, in: Marcelo L. Larramendy & Sonia Soloneski (ed.), Soil Contamination - Current Consequences and Further Solutions, IntechOpen.
    • Handle: RePEc:ito:pchaps:105675
    DOI: 10.5772/64743
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    More about this item

    Keywords

    bioremediation; fungal enzyme extract; laccase; soil organic matter;
    All these keywords.

    JEL classification:

    • Q57 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Environmental Economics - - - Ecological Economics

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