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dc.contributor.author
Greta Galloni, Melissa
dc.contributor.author
Campisi, Sebastiano
dc.contributor.author
Marchetti, Sergio Gustavo
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dc.contributor.author
Gervasini, Antonella
dc.date.available
2021-09-02T15:57:52Z
dc.date.issued
2020-12
dc.identifier.citation
Greta Galloni, Melissa; Campisi, Sebastiano; Marchetti, Sergio Gustavo; Gervasini, Antonella; Environmental Reactions of Air-Quality Protection on Eco-Friendly Iron-Based Catalysts; Molecular Diversity Preservation International; Catalysts; 10; 12; 12-2020; 1-19
dc.identifier.issn
2073-4344
dc.identifier.uri
http://hdl.handle.net/11336/139559
dc.description.abstract
A series of iron functionalized hydroxyapatite (Fe/HAP) samples with different metal loading (2 < wt.% Fe < 13) was prepared by a flash ionic exchange procedure from iron(III) nitrate as precursor and tested in some environmental air-quality protection reactions such as the catalytic reduction of NOx by NH3 (NH3-SCR), catalytic oxidation of NH3 (NH3-SCO) and catalytic N2O decomposition. The catalytic performances of the Fe/HAP catalysts were determined under flow conditions as a function of temperature and using reactant concentrations typical of polluting gaseous emissions from industrial vents. Physico-chemical characterization with various techniques of study (UV-DR and Mössbauer spectroscopies, NH3 titration, N2-physisorption, and XRPD analyses) provided valuable information on Fe-speciation, acidity, morphology, and structure of the samples. In general, highly dispersed Fe3+ centers were the predominant species, irrespective of Fe-loading, while just low percentage (≤15%) of FexOy nanoclusters (2 < size/nm < 4) was detected on the samples. As expected, the differences in iron concentration produced a diversified effect of both catalyst properties and catalytic activity, comprising the conversion and selectivity profiles, different for each reaction considered. The obtained results indicate a good potentiality for the eco-friendly Fe-catalysts for some environmental reactions of air protection.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Molecular Diversity Preservation International
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dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
CATALYST CHARACTERIZATION
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CATALYST PREPARATION
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IRON-HYDROXYAPATITE
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MÖSSBAUER SPECTROSCOPY
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N2O DECOMPOSITION
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NH3-SCO
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NH3-SCR
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Otras Ciencias Químicas
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dc.subject.classification
Ciencias Químicas
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dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
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dc.title
Environmental Reactions of Air-Quality Protection on Eco-Friendly Iron-Based Catalysts
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2021-08-20T19:52:38Z
dc.journal.volume
10
dc.journal.number
12
dc.journal.pagination
1-19
dc.journal.pais
Países Bajos
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dc.journal.ciudad
Amsterdam
dc.description.fil
Fil: Greta Galloni, Melissa. Università degli Studi di Milano; Italia
dc.description.fil
Fil: Campisi, Sebastiano. Università degli Studi di Milano; Italia
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Fil: Marchetti, Sergio Gustavo. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Centro de Investigación y Desarrollo en Ciencias Aplicadas "Dr. Jorge J. Ronco". Universidad Nacional de la Plata. Facultad de Ciencias Exactas. Centro de Investigación y Desarrollo en Ciencias Aplicadas; Argentina
dc.description.fil
Fil: Gervasini, Antonella. Università degli Studi di Milano; Italia
dc.journal.title
Catalysts
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.3390/catal10121415
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