Please use this identifier to cite or link to this item:
http://hdl.handle.net/2445/187531
Title: | Coffee Husk and Lignin Revalorization: Modification with Ag Nanoparticles for Heavy Metals Removal and Antifungal Assays |
Author: | Guevara‐Bernal, Daniel Fernando Cáceres Ortíz, Marlon Yesid Gutiérrez Cifuentes, Jorge Andrés Bastos-Arrieta, Julio Palet, Cristina Candela, Angélica María |
Keywords: | Nanopartícules Metalls pesants Argent Nanoparticles Heavy metals Silver |
Issue Date: | 2-Jun-2022 |
Publisher: | MDPI |
Abstract: | This study presents the use of the modified coffee husk and coffee lignin as sorbents in the heavy metal ions sorption of Pb(II), Cd(II), Cr(III), and Cu(II) in an aqueous solution. The modification of sorbents was carried out by the impregnation method, using silver nitrate (AgNO3) and sodium borohydride (NaBH4) as a nanoparticles' (NPs) precursor, and reducing agent, respectively. The obtained nanocomposite material was morphologically characterized by electron microscopy. In addition, an evaluation of metal ions' sorption, pseudo‐first‐order, and pseudo‐second‐order kinetics modeling was performed. Finally, antifungal activity was evaluated on different Candida species. Coffee and lignin modified with AgNPs increased the extraction capacity with the highest sorption for Pb ions with 2.56 mg/g and 1.44 mg/g, respectively. |
Note: | Reproducció del document publicat a: https://doi.org/10.3390/w14111796 |
It is part of: | Water, 2022, vol. 14, num. 11, p. 1796 |
URI: | http://hdl.handle.net/2445/187531 |
Related resource: | https://doi.org/10.3390/w14111796 |
ISSN: | 2073-4441 |
Appears in Collections: | Articles publicats en revistes (Enginyeria Química i Química Analítica) |
Files in This Item:
File | Description | Size | Format | |
---|---|---|---|---|
723688.pdf | 4.07 MB | Adobe PDF | View/Open |
This item is licensed under a Creative Commons License