artículo de publicación periódica.page.titleprefix
Virus removal by iron oxide ceramic membranes

Simple item page
dc.contributor.authorFidalgo de Cortalezzi, María Marta
dc.contributor.authorGallardo, María V.
dc.contributor.authorYrazu, Fernando M.
dc.contributor.authorGentile, Guillermina José
dc.contributor.authorOpezzo, Oscar
dc.contributor.authorPizarro, Ramón A.
dc.contributor.authorPoma, Hugo R.
dc.contributor.authorRajal, Verónica Beatriz
dc.dateinfo:eu-repo/date/embargoEnd/2016-09-01
dc.date.accessioned2020-10-28T16:25:09Z
dc.date.available2020-10-28T16:25:09Z
dc.date.issued2014-09
dc.description.abstract"Nanoporous iron oxide ceramics were studied for the removal of virus contamination from water. Supported and unsupported iron oxide nanostructured hematite was fabricated by a green chemistry route from ferroxane nanoparticles. The material had a surface area of approximately 30 m2/g and a mean pore size of 65 nm. Bacteriophage P22 was chosen as a model for human virus. The kinetics and equilibrium of the attachment process was investigated. P22 adsorption isotherms on iron oxide were described by the Freundlich equation. Batch experiments resulted in 1.5 LRVs. Removal proceeded rapidly for the first 7 h; next, a diffusion-limited stage occurred. Dynamic attachment experiments demanded extensive recirculation to achieve significant reduction levels. Up to 3 LRV were observed. The enhanced performance can be explained by the higher iron oxide area available and the facilitated access to inner porosity sites that were previously unavailable due to slow diffusion. The role of electrostatic interactions in the attachment mechanisms was confirmed by the dependence of the isotherm on the ionic strength of the suspension medium. P22 bacteriophage is expected to attach to the iron oxide by electrostatic forces up to a pH of 6.5. DLVO theory predicts moderately well the interaction energies between P22 particles themselves and between the phage and the ceramic. However, a slight underestimation of the P22–P22 repulsive forces was evident by comparison to the experimental data."en
dc.identifier.issn2213-3437
dc.identifier.urihttp://ri.itba.edu.ar/handle/123456789/3219
dc.language.isoenen
dc.relationinfo:eu-repo/semantics/altIdentifier/doi/10.1016/j.jece.2014.08.006
dc.rightsinfo:eu-repo/semantics/embargoedAccess
dc.subjectNANOPARTICULASes
dc.subjectOXIDO DE HIERROes
dc.subjectMEMBRANAS CERAMICASes
dc.subjectTRATAMIENTO DEL AGUAes
dc.subjectVIRUSes
dc.titleVirus removal by iron oxide ceramic membranesen
dc.typeArtículos de Publicaciones Periódicases
dc.typeinfo:eu-repo/semantics/acceptedVersion
dspace.entity.typeArtículo de Publicación Periódica
itba.description.filiationFil: Fidalgo de Cortalezzi, María Marta. Instituto Tecnológico de Buenos Aires; Argentina.
itba.description.filiationFil: Fidalgo de Cortalezzi, María Marta. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina.
itba.description.filiationFil: Gallardo, María V. Instituto Tecnológico de Buenos Aires; Argentina.
itba.description.filiationFil: Yrazu, Fernando M. Instituto Tecnológico de Buenos Aires; Argentina.
itba.description.filiationFil: Gentile, Guillermina José. Instituto Tecnológico de Buenos Aires; Argentina.
itba.description.filiationFil: Opezzo, Oscar. Instituto Tecnológico de Buenos Aires; Argentina.
itba.description.filiationFil: Opezzo, Oscar. Comisión Nacional de Energía Atómica; Argentina.
itba.description.filiationFil: Pizarro, Ramón A. Instituto Tecnológico de Buenos Aires; Argentina.
itba.description.filiationFil: Pizarro, Ramón A. Comisión Nacional de Energía Atómica; Argentina.
itba.description.filiationFil: Poma, Hugo R. Universidad Nacional de Salta; Argentina.
itba.description.filiationFil: Poma, Hugo R. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina.
itba.description.filiationFil: Rajal, Verónica Beatriz. Universidad Nacional de Salta; Argentina.
itba.description.filiationFil: Rajal, Verónica Beatriz. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina.

Files

Original bundle
Now showing 1 - 1 of 1
Thumbnail Image
Name:
Fidalgo_de_Cotalezzi_2014_ING_QUIMICA_embargo 24 meses.pdf
Size:
1.51 MB
Format:
Adobe Portable Document Format
Description:
Artículo_Fidalgo_de_Cortalezzi
Download
License bundle
Now showing 1 - 1 of 1
No Thumbnail Available
Name:
license.txt
Size:
1.6 KB
Format:
Item-specific license agreed upon to submission
Description:
Download

Collections

Artículos de publicaciones periódicas