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Título: Comparative uptake study of arsenic, boron, copper, manganese and zinc from water by different green microalgae
Autor: Saavedra, Ricardo
Muñoz, Raul
Taboada, María Elisa
Vega, Marisol
Bolado, Silvia
Año del Documento: 2018
Editorial: Elsevier
Documento Fuente: Bioresource Technology, Volume 263, September 2018, Pages 49-57
Resumen: This work represents a comparative uptake study of the toxic elements arsenic, boron, copper, manganese and zinc in monometallic and multimetallic solutions by four green microalgae species (Chlamydomonas reinhardtii, Chlorella vulgaris, Scenedesmus almeriensis and an indigenous Chlorophyceae spp.), evaluating the effect of pH and contact time. Maximum removal efficiencies for each toxic element were 99.4% for Mn (C. vulgaris, pH 7.0, 3h), 91.9% for Zn (Chlorophyceae spp., pH 5.5, 3h), 88% for Cu (Chlorophyceae spp., pH 7.0, 10 min), 40.7% for As (S. almeriensis, pH 9.5, 3h) and 38.6% for B (S. almeriensis, pH 5.5, 10 min). B removal efficiencies decreased remarkably in multimetallic solutions (down to 0.2% in C. reinhardtii), except for Chlorophyceae spp., the only species isolated from a polluted environment. FTIR spectra shown the highest interactions for As (1150-1300 cm-1) and Cu (3300, 1741, 1535, 1350-1400 cm-1). Results confirms microalgae biomass as a potential biosorbent for toxic elements.
Palabras Clave: adsorption
bioremediation
heavy metals
microalgae
toxic elements
Revisión por Pares: SI
DOI: 10.1016/j.biortech.2018.04.101
Patrocinador: “Ministerio de Economía y Competitividad – MINECO” (CTQ2017-84006-C3-1-R) supported by FEDER program
“Junta de Castilla y León – JCyL” (VA094U14)
CONICYT of Chile: Doctorado Nacional – 21140576
Idioma: eng
URI: http://uvadoc.uva.es/handle/10324/29505
Derechos: info:eu-repo/semantics/openAccess
Aparece en las colecciones:DEP48 - Artículos de revista

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