Determinación de la capacidad de adsorción de Pb(II) en solución acuosa por raíces de Typha latifolia (Espadaña).
- Autores: Candy Carranza, Luis Figueroa, Alejandro Hernández, Diego Hernández, Nahúm Medellín
- Localización: Ciencias Naturales y Exactas Handbook T-II: Congreso Interdisciplinario de Cuerpos Académicos / coord. por Vicente Pérez García, José Luis Mínguela Ramírez, José Luis Rodríguez Muñoz, 2014, ISBN 978-607-8324-18-7, págs. 241-248
- Idioma: español
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Resumen
In present study a biomass derived from the root of Typha latifolia (cattail) has been investigated to remove Pb (II) from surface water samples. The effects of various parameters viz. pH biosorbent dosage, contact time and temperature on the biosorption processes were systematically studied. Experimental data were modeled by Langmuir and Freundlich isotherms. It was observed that Pb biosorption best fitted to the Freundlich isotherms.
The biomass of T. latifolia was found to be effective for the removal of Pb with 95% sorption efficiency at pH 5, and thus uptake capacity is 21.85 mg/g of biomass. The physical characterization of root of T. latifolia with scanning electron microscope (SEM) showed that the saturated surface and the root surface without saturating show no significant differences between them, which is composed of elongated, non-porous particles composed of cellulose and linked in turn by lignin. The T. latifolia biomass could be used as a low-cost biosorbent for Pb ions removal
