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dc.contributor.author
Martinis, Estefanía Mabel  
dc.contributor.author
Denardin, Juliano Casagrande  
dc.contributor.author
Calderón, Raul  
dc.contributor.author
Flores, Cristóbal  
dc.contributor.author
Manquián Cerda, Karen  
dc.contributor.author
Maldonado, Tamara  
dc.contributor.author
Arancibia Miranda, Nicolás  
dc.date.available
2022-06-03T13:51:53Z  
dc.date.issued
2021-11-02  
dc.identifier.citation
Martinis, Estefanía Mabel; Denardin, Juliano Casagrande; Calderón, Raul; Flores, Cristóbal; Manquián Cerda, Karen; et al.; Enhanced removal of mercury and lead by a novel and efficient surface-functionalized imogolite with nanoscale zero-valent iron material; Springer Heidelberg; Environmental Science and Pollution Research; 29; 14; 2-11-2021; 20221 - 20233  
dc.identifier.issn
0944-1344  
dc.identifier.uri
http://hdl.handle.net/11336/158856  
dc.description.abstract
A novel hybrid nanomaterial, nanoscale zero-valent iron (nZVI)-grafted imogolite nanotubes (Imo), was synthesized via a fast and straightforward chemical procedure. The as-obtained nanomaterial (Imo-nZVI) was characterized using transmission electron microscopy (TEM), electrophoretic mobility (EM), and vibrating sample magnetometry (VSM). The prepared Imo-nZVI was superparamagnetic at room temperature and could be easily separated by an external magnetic field. Sorption batch experiments were performed for single- and multicomponent systems and demonstrated that Hg2+ and Pb2+ could be quantitatively adsorbed at pH 3.0. For multicomponent systems, maximum adsorption capacities of 61.6 mg·g−1 and 76.9 mg·g−1 were obtained for Hg2+ and Pb2+ respectively. It was observed that the functional groups in Imo-nZVI interact preferentially with analytes according to the Misono softness parameter. The higher performance of Imo-nZVI compared with Imo and nZVI is related to the increased number of adsorption sites in the functionalized nanomaterial. The sorption equilibrium data obeyed the Langmuir model, while kinetic studies demonstrated that the sorption processes of Hg2+ and Pb2+ followed the pseudo-second-order model. This study suggests that the Imo-nZVI composite can be used as a promising sorbent to provide a simple and fast separation method to remove Hg and Pb ions from contaminated water.  
dc.format
application/pdf  
dc.language.iso
eng  
dc.publisher
Springer Heidelberg  
dc.rights
info:eu-repo/semantics/restrictedAccess  
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/  
dc.subject
HYBRID MATERIAL  
dc.subject
IMOGOLITE  
dc.subject
NANOSCALE ZERO VALENT IRON (NZVI)  
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NEUROTOXIC METALS (HG AND PB) REMOVAL  
dc.subject.classification
Otras Ciencias Químicas  
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Ciencias Químicas  
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CIENCIAS NATURALES Y EXACTAS  
dc.title
Enhanced removal of mercury and lead by a novel and efficient surface-functionalized imogolite with nanoscale zero-valent iron material  
dc.type
info:eu-repo/semantics/article  
dc.type
info:ar-repo/semantics/artículo  
dc.type
info:eu-repo/semantics/publishedVersion  
dc.date.updated
2022-05-06T16:28:12Z  
dc.journal.volume
29  
dc.journal.number
14  
dc.journal.pagination
20221 - 20233  
dc.journal.pais
Alemania  
dc.journal.ciudad
Switzerland  
dc.description.fil
Fil: Martinis, Estefanía Mabel. Universidad Nacional de Cuyo. Facultad de Ingeniería; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mendoza; Argentina  
dc.description.fil
Fil: Denardin, Juliano Casagrande. Universidad de Santiago de Chile; Chile  
dc.description.fil
Fil: Calderón, Raul. Universidad Bernardo O’Higgins; Chile  
dc.description.fil
Fil: Flores, Cristóbal. Universidad de Santiago de Chile; Chile  
dc.description.fil
Fil: Manquián Cerda, Karen. Universidad de Santiago de Chile; Chile  
dc.description.fil
Fil: Maldonado, Tamara. Universidad de Santiago de Chile; Chile  
dc.description.fil
Fil: Arancibia Miranda, Nicolás. Universidad de Santiago de Chile; Chile  
dc.journal.title
Environmental Science and Pollution Research  
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1007/s11356-021-17242-7  
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://link.springer.com/article/10.1007/s11356-021-17242-7