Por favor, use este identificador para citar o enlazar a este item:
http://hdl.handle.net/10261/171824
COMPARTIR / EXPORTAR:
SHARE CORE BASE | |
Visualizar otros formatos: MARC | Dublin Core | RDF | ORE | MODS | METS | DIDL | DATACITE | |
Campo DC | Valor | Lengua/Idioma |
---|---|---|
dc.contributor.author | Sánchez-Hernández, R. | es_ES |
dc.contributor.author | Padilla, Isabel | es_ES |
dc.contributor.author | López-Andrés, Sol | es_ES |
dc.contributor.author | López-Delgado, Aurora | es_ES |
dc.date.accessioned | 2018-11-02T13:02:17Z | - |
dc.date.available | 2018-11-02T13:02:17Z | - |
dc.date.issued | 2018 | - |
dc.identifier.citation | Desalination and Water Treatment 126: 181-195 | es_ES |
dc.identifier.uri | http://hdl.handle.net/10261/171824 | - |
dc.description.abstract | The removal of Pb2+, Cd2+, and Hg2+, which act as endocrine disruptors, from aqueous solutions was performed using a NaP1-type zeolite synthesized from a hazardous aluminum waste. The effects of parameters such as pH, contact time, adsorbent dose, initial cation concentration, and coexisting cations on the adsorption efficiency and capacity of the adsorbent were evaluated. Single-cation adsorption was found to be a fast process well described by the pseudo-second-order kinetic model. Equilibrium was reached in the first 15 min achieving high removal efficiencies: 98.9%, 93.3%, and 99.3% for Pb2+, Cd2+, and Hg2+, respectively. The removal of the metal cations could occur via a homogeneous and physical adsorption process that was satisfactorily described by the Sips isotherm. The maximum adsorption capacities, obtained from the Sips isotherm model, were 245.75, 4.43, and 0.22 mg/g for Pb2+, Cd2+, and Hg2+, respectively. In multi-cation adsorption, the zeolite presented the greatest affinity for Pb2+ (due to its smallest cationic size) compared with Cd2+ and Hg2+. The Pb2+ removal efficiency remained practically constant in presence of Hg2+ and Cd2+, reaching efficiencies near 100% at very low contact times (<5 min). Thus, this zeolite could become an alternative adsorbent to eliminate heavy metals from waters. A synergic effect on the environmental protection could be achieved: the end-ofwaste condition of a hazardous waste as well as the water decontamination | es_ES |
dc.description.sponsorship | The authors thank MINECO for its financial support (Project CTM2012-34449). R. Sánchez-Hernández thanks MINECO for the grant BES-2013-066269. The authors also thank the Centre of Research Support of the Geology Faculty of University Complutense of Madrid for the help given. | es_ES |
dc.language.iso | eng | es_ES |
dc.publisher | Taylor & Francis | es_ES |
dc.relation.isversionof | Preprint | es_ES |
dc.rights | openAccess | es_ES |
dc.subject | Heavy metal | es_ES |
dc.subject | Endocrine disruptor | es_ES |
dc.subject | NaP1 zeolite | es_ES |
dc.subject | Adsorption kinetic | es_ES |
dc.subject | Equilibrium isotherm | es_ES |
dc.subject | Competitive adsorption | es_ES |
dc.subject | Water treatment | es_ES |
dc.title | Single and competitive adsorptive removal of lead, cadmium, and mercury using zeolite adsorbent prepared from industrial aluminum waste | es_ES |
dc.type | artículo | es_ES |
dc.identifier.doi | 10.5004/dwt.2018.22816 | - |
dc.description.peerreviewed | Peer reviewed | es_ES |
dc.relation.publisherversion | https://doi.org/10.5004/dwt.2018.22816 | es_ES |
dc.contributor.funder | Universidad Complutense de Madrid | es_ES |
dc.contributor.funder | Ministerio de Economía y Competitividad (España) | es_ES |
dc.relation.csic | Sí | es_ES |
oprm.item.hasRevision | no ko 0 false | * |
dc.identifier.funder | http://dx.doi.org/10.13039/501100002911 | es_ES |
dc.identifier.funder | http://dx.doi.org/10.13039/501100003329 | es_ES |
dc.type.coar | http://purl.org/coar/resource_type/c_6501 | es_ES |
item.openairetype | artículo | - |
item.grantfulltext | open | - |
item.cerifentitytype | Publications | - |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
item.fulltext | With Fulltext | - |
item.languageiso639-1 | en | - |
Aparece en las colecciones: | (CENIM) Artículos |
Ficheros en este ítem:
Fichero | Descripción | Tamaño | Formato | |
---|---|---|---|---|
DWT Author copy.pdf | 1,4 MB | Adobe PDF | Visualizar/Abrir |
CORE Recommender
SCOPUSTM
Citations
10
checked on 20-abr-2024
WEB OF SCIENCETM
Citations
10
checked on 24-feb-2024
Page view(s)
586
checked on 23-abr-2024
Download(s)
826
checked on 23-abr-2024
Google ScholarTM
Check
Altmetric
Altmetric
NOTA: Los ítems de Digital.CSIC están protegidos por copyright, con todos los derechos reservados, a menos que se indique lo contrario.