https://repositorio.cetys.mx/handle/60000/1921
Título : | Adsorption properties of Merrifield-bCCA chelating resins: a new alternative for Pb2+ removal from water† |
Otros títulos : | Royal Society of Chemistry |
Autor : | Gracia-Elías, José Ocho-Terán, Adrián López-Maldonado, Eduardo Pérez-Sicardio, Sergio Trujillo-Navarrete, Balter Rivero, Ignacio Zizumbo-López, Arturo Martinez Quiroz, Marisela |
Palabras clave : | Adsorption;chelating resins |
Sede: | Campus Tijuana |
Fecha de publicación : | mar-2025 |
Citación : | ;Núm. 15 |
Resumen : | In this work, five new chelating resins (MRnBz) functionalized with N-benzyl bis(carbamoyl)carboxylic acid molecules (BzbCCA) on their surface were prepared to study the metal ion (Mn+) adsorption properties in water. MRnBz resins were characterized by FTIR, TGA, FESEM and EDS. The surface charge as a function of pH and the chemical adsorption of Mn+ on the surface were evaluated through zeta potential (z) measurements. The Mn+ adsorption capacity of MRnBz resins was evaluated using Pb2+, Cu2+, Cd2+, and Ni2+ mixture model solutions at low concentrations. MRnBz resins displayed selective adsorption of Pb2+ even in the presence of a molar excess of other cations, due to the intrinsic affinity and selectivity of BzbCCA molecules for this metal ion. The adsorption isotherms of Pb2+ showed that the adsorption capacity of MRnBz resins was influenced by the spacer chain length. In addition, the resins were characterized by FTIR, TGA, FESEM and EDS after the Mn+ adsorption process, confirming the Mn+ loading on the resin surface. |
metadata.dc.description.url: | https://www.rsc.org/journals-books-databases/ |
URI : | https://repositorio.cetys.mx/handle/60000/1921 |
Aparece en las colecciones: | Artículos de Revistas |
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2025 03 24 Jose.pdf | 4.88 MB | Adobe PDF | ![]() Visualizar/Abrir |
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