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Assessing the Mobility of Lead, Copper and Cadmium in a Calcareous Soil of Port-au-Prince, Haiti

Author

Listed:
  • Urbain Fifi

    (Université Quisqueya—LAQUE, 218, Avenue Jean Paul II, Haut de Turgeau, P.O. Box 796, Port-au-Prince, HT 6113, Haiti)

  • Thierry Winiarski

    (Université de Lyon—LEHNA, UMR 5023, ENTPE, Rue Maurice Audin, Vaulx-en-Velin CEDEX FR 69518, France)

  • Evens Emmanuel

    (Université Quisqueya—LAQUE, 218, Avenue Jean Paul II, Haut de Turgeau, P.O. Box 796, Port-au-Prince, HT 6113, Haiti)

Abstract

The presence of heavy metals in the environment constitutes a potential source of both soil and groundwater pollution. This study has focused on the reactivity of lead (Pb), copper (Cu) and Cadmium (Cd) during their transfer in a calcareous soil of Port-au-Prince (Haiti). Kinetic, monometal and competitive batch tests were carried out at pH 6.0. Two simplified models including pseudo-first-order and pseudo-second-order were used to fit the experimental data from kinetics adsorption batch tests. A good fit of these data was found with pseudo-second-order kinetic model which indicates the applicability of this model to describe the adsorption rates of these metals on the soil. Monometal batch tests indicated that both Langmuir and Freundlich models allowed a good fit for experimental data. On the basis of the maximum adsorption capacity ( q max ), the order affinity of Pb, Cu and Cd for the studied soil was Pb 2+ > Cu 2+ > Cd 2+ . Competitive sorption has proved that the competition between two or several cations on soils for the same active sites can decrease their q max . These results show that, at high metal concentrations, Cd may pose more threat in soils and groundwater of Port-au-Prince than Pb and Cu.

Suggested Citation

  • Urbain Fifi & Thierry Winiarski & Evens Emmanuel, 2013. "Assessing the Mobility of Lead, Copper and Cadmium in a Calcareous Soil of Port-au-Prince, Haiti," IJERPH, MDPI, vol. 10(11), pages 1-14, November.
    • Handle: RePEc:gam:jijerp:v:10:y:2013:i:11:p:5830-5843:d:30138
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    Citations

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    Cited by:

    1. Hoda Fakour & Tsair-Fuh Lin, 2014. "Effect of Humic Acid on As Redox Transformation and Kinetic Adsorption onto Iron Oxide Based Adsorbent (IBA)," IJERPH, MDPI, vol. 11(10), pages 1-27, October.
    2. Abdulaziz G. Alghamdi & Zafer Alasmary, 2022. "Fate and Transport of Lead and Copper in Calcareous Soil," Sustainability, MDPI, vol. 15(1), pages 1-12, December.
    3. Jing Li, 2014. "Risk Assessment of Heavy Metals in Surface Sediments from the Yanghe River, China," IJERPH, MDPI, vol. 11(12), pages 1-13, November.

    More about this item

    Keywords

    lead; copper; cadmium; models; soils; sorption;
    All these keywords.

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