PHYTOREMEDIATION OF HEAVY METALS IN MINING LIABILITIES BY STIPA ICHU AND CORTADERIA NITIDA: A LABORATORY ASSESSMENT

M. Guzman, M. R. Arribasplata, M. F. Obispo, S. B. Thais

Producción científica: Capítulo del libro/informe/acta de congresoContribución a la conferenciarevisión exhaustiva

Resumen

The impact generated by old abandoned mines in Peru have produced mining environmental liabilities, which can generate an impact on the environment. In the search for long-term sustainable solutions, Phytoremediation is presented as an interesting alternative, since it allows the use of Peruvian native plant species for the accumulation of heavy metals. In this paper, we present the results of native high Andean species: Stipa Ichu and Cortaderia Nitida. The final metal concentration in the aerial parts and in the roots of each plant show that Stipa Ichu is more efficient to recover Fe, reaching almost 278 times its initial value. In the same way, this plant is efficient to remove Zn, Cu and Cd, reaching maximum values of 64, 39 and 12 times its initial concentration respectively. Cortaderia Nitida turned out to be more efficient to recover Fe, Zn, Cu and Cr, with highest recovery of 250, 117, 39 and 13 times its initial value respectively. Finally, based on translocation factor, Stipa Ichu has better capacities of hyperaccumulation of Fe, Cu, Zn, Pb and Cr. Cortaderia Nitida only shows hyperaccumulation of Cr.

Idioma originalInglés
Título de la publicación alojadaSME Annual Conference and Expo 2022
EditorialSociety for Mining, Metallurgy and Exploration
Páginas221-223
Número de páginas3
ISBN (versión digital)9781713845089
EstadoPublicada - 2022
Publicado de forma externa
EventoSME Annual Conference and Expo 2022 - Salt Lake City, Estados Unidos
Duración: 27 feb. 20222 mar. 2022

Serie de la publicación

NombreSME Annual Conference and Expo 2022

Conferencia

ConferenciaSME Annual Conference and Expo 2022
País/TerritorioEstados Unidos
CiudadSalt Lake City
Período27/02/222/03/22

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