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We present a novel constructed wetland called a vegetable depuration module (VDM) as a pilot test of a bioremediation system (BS) for decontaminating water and soil polluted with heavy metals. The VDM consisted of a pool filled with stones of different granulometry and a substrate top layer composed of a mixture of soil and volcanic ash (50:50, v/v) supplemented with 350 ppm Zn. The BS of sunflower plants colonized by the arbuscular mycorrhizal fungus Rhizophagus intraradices was planted in the VDM. Initially, the substrate registered high concentrations of Zn, Cr, Mn, Cu, and Sr, and had Eh > +500 mV and pH 8.4. Irrigation with a Cu solution by vertical flow was carried out. After 3 months, bioaccumulation factors ranged from 1.00 to 8.90, and translocation rates were >1 for Sr and Cu. Total metals extracted by the BS and percolation were 31%, 34%, 50%, 45%, and 57% for Zn, Cu, Mn, Cr, and Sr, respectively. Only the BS was capable of extracting 94% of Cu and 38% of Zn. VDM allowed us to calibrate the extractive performance of the studied elements in BS. This biotechnological development holds great potential for phytoremediation of polluted areas. © 2019, © 2019 Taylor & Francis Group, LLC.


Documento: Artículo
Título:Pilot testing of a bioremediation system for water and soils contaminated with heavy metals: vegetable depuration module
Autor:Scotti, A.; Silvani, V.A.; Cerioni, J.; Visciglia, M.; Benavidez, M.; Godeas, A.
Filiación:Comisión Nacional de Energía Atómica, International Center for Earth Sciences, Complejo Minero Fabril San Rafael CMFSR-CNEA, San Rafael, Argentina
Facultad de Ciencias Exactas y Naturales, Universidad Nacional de Cuyo, Mendoza, Argentina
Instituto de Biodiversidad y Biología Experimental y Aplicada, IBBEA (UBA-CONICET), Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Buenos Aires, Argentina
Facultad Regional San Rafael, Universidad Tecnológica Nacional, San Rafael, Argentina
GT Ingeniería S.A, Mendoza, Argentina
Palabras clave:Bioremediation system; engineering scaling; heavy metals; vegetable depuration module
Título revista:International Journal of Phytoremediation
Título revista abreviado:Int. J. Phytorem.


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---------- APA ----------
Scotti, A., Silvani, V.A., Cerioni, J., Visciglia, M., Benavidez, M. & Godeas, A. (2019) . Pilot testing of a bioremediation system for water and soils contaminated with heavy metals: vegetable depuration module. International Journal of Phytoremediation.
---------- CHICAGO ----------
Scotti, A., Silvani, V.A., Cerioni, J., Visciglia, M., Benavidez, M., Godeas, A. "Pilot testing of a bioremediation system for water and soils contaminated with heavy metals: vegetable depuration module" . International Journal of Phytoremediation (2019).
---------- MLA ----------
Scotti, A., Silvani, V.A., Cerioni, J., Visciglia, M., Benavidez, M., Godeas, A. "Pilot testing of a bioremediation system for water and soils contaminated with heavy metals: vegetable depuration module" . International Journal of Phytoremediation, 2019.
---------- VANCOUVER ----------
Scotti, A., Silvani, V.A., Cerioni, J., Visciglia, M., Benavidez, M., Godeas, A. Pilot testing of a bioremediation system for water and soils contaminated with heavy metals: vegetable depuration module. Int. J. Phytorem. 2019.