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Removal of Heavy Metals from Mine Tailings in Central Chile Using Solidago chilensis Meyen, Haplopappus foliosus DC, and Lycium chilense Miers ex Bertero

Author

Listed:
  • Pamela Lazo

    (Instituto de Química y Bioquímica, Facultad de Ciencias, Universidad de Valparaíso, Avenida Gran Bretaña 1111, Playa Ancha, Valparaíso 2360102, Chile
    These authors contributed equally to this work.)

  • Andrea Lazo

    (Departamento de Ingeniería Química y Ambiental, Universidad Técnica Federico Santa María, Avenida España 1680, Valparaíso 2390123, Chile
    These authors contributed equally to this work.)

  • Henrik K. Hansen

    (Departamento de Ingeniería Química y Ambiental, Universidad Técnica Federico Santa María, Avenida España 1680, Valparaíso 2390123, Chile)

  • Rodrigo Ortiz-Soto

    (Escuela de Ingeniería Química, Pontificia Universidad Católica de Valparaíso, Avenida Brasil 2162, Valparaíso 2340025, Chile)

  • Marcela E. Hansen

    (Departamento de Ingeniería Química y Ambiental, Universidad Técnica Federico Santa María, Avenida España 1680, Valparaíso 2390123, Chile)

  • Felipe Arévalo

    (Departamento de Ingeniería Química y Ambiental, Universidad Técnica Federico Santa María, Avenida España 1680, Valparaíso 2390123, Chile)

  • Claudia Gutiérrez

    (Departamento de Ingeniería Química y Ambiental, Universidad Técnica Federico Santa María, Avenida España 1680, Valparaíso 2390123, Chile)

Abstract

Mining activities have been a part of the history of Chile since time immemorial, generating pollution and environmental liabilities. Due to the lack of regulation, many tailings are deposited close to rivers or/and on unstable ground, near which towns have been built, generally in locations with no budget for their treatment. This study tested three plant species from Northern and Central Chile to remove total chromium, nickel, and zinc from tailings: Solidago chilensis , Haplopappus foliosus, and Lycium chilense , which complements the few existing studies on heavy metals removal with native or endemic Chilean shrubs. The experiments were conducted ex situ, and the initial and final concentrations of metals were determined in tailings and plants to obtain the removal efficiency, translocation and bioconcentration factors. Among these species, the best performance was obtained using Solidago chilensis , achieving removal efficiencies of 24% for Cr, 19% for Ni, and 17% for Zn, showing the ability to phytostabilize chromium and the higher resistance concerning the toxicity threshold. Haplopappus foliosus and Lycium chilense presented a slight tendency to stabilize chromium. Only Solidago chilensis showed little ability to extract Zn.

Suggested Citation

  • Pamela Lazo & Andrea Lazo & Henrik K. Hansen & Rodrigo Ortiz-Soto & Marcela E. Hansen & Felipe Arévalo & Claudia Gutiérrez, 2023. "Removal of Heavy Metals from Mine Tailings in Central Chile Using Solidago chilensis Meyen, Haplopappus foliosus DC, and Lycium chilense Miers ex Bertero," IJERPH, MDPI, vol. 20(3), pages 1-11, February.
    • Handle: RePEc:gam:jijerp:v:20:y:2023:i:3:p:2749-:d:1057081
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    References listed on IDEAS

    as
    1. Andrea Lazo & Pamela Lazo & Alejandra Urtubia & María Gabriela Lobos & Henrik K. Hansen & Claudia Gutiérrez, 2022. "An Assessment of the Metal Removal Capability of Endemic Chilean Species," IJERPH, MDPI, vol. 19(6), pages 1-14, March.
    2. Maja Radziemska & Magdalena D. Vaverková & Anna Baryła, 2017. "Phytostabilization—Management Strategy for Stabilizing Trace Elements in Contaminated Soils," IJERPH, MDPI, vol. 14(9), pages 1-15, August.
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