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http://hdl.handle.net/10261/169017
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dc.contributor.author | Sanchis, Rut | - |
dc.contributor.author | Alonso-Domínguez, Daniel | - |
dc.contributor.author | Dejoz, Ana | - |
dc.contributor.author | Pico, María Pilar | - |
dc.contributor.author | Álvarez-Serrano, Inmaculada | - |
dc.contributor.author | García Martínez, Tomás | - |
dc.contributor.author | López, María Luisa | - |
dc.contributor.author | Solsona, Benjamín | - |
dc.date.accessioned | 2018-08-22T08:32:48Z | - |
dc.date.available | 2018-08-22T08:32:48Z | - |
dc.date.issued | 2018-08-09 | - |
dc.identifier.citation | Materials 11(8): 1387 (2018) | - |
dc.identifier.uri | http://hdl.handle.net/10261/169017 | - |
dc.description.abstract | Iron oxides (FeOx) are non-toxic, non-expensive and environmentally friendly compounds, which makes them good candidates for many industrial applications, among them catalysis. In the present article five catalysts based on FeOx were synthesized by mild routes: hydrothermal in subcritical and supercritical conditions (Fe-HT, Few200, Few450) and solvothermal (Fe-ST1 and Fe-ST2). The catalytic activity of these catalysts was studied for the total oxidation of toluene using very demanding conditions with high space velocities and including water and CO2 in the feed. The samples were characterized by X-ray diffraction (XRD), scanning and high-resolution transmission electron microscopy (SEM and HRTEM), X-ray photoelectron spectroscopy (XPS) and nitrogen adsorption-desorption isotherms. It was observed that the most active catalyst was a cavity-containing porous sample prepared by a solvothermal method with a relatively high surface area (55 m2 g−1) and constituted by flower-like aggregates with open cavities at the catalyst surface. This catalyst displayed superior performance (100% of toluene conversion at 325 °C using highly demanding conditions) and this performance can be maintained for several catalytic cycles. Interestingly, the porous iron oxides present not only a higher catalytic activity than the non-porous but also a higher specific activity per surface area. The high activity of this catalyst has been related to the possible synergistic effect of compositional, structural and microstructural features emphasizing the role of the surface area, the crystalline phase present, and the properties of the surface. | - |
dc.description.sponsorship | Authors from UV thank the University of Valencia (UV-INV-AE16-484416 project) and MINECO (MAT2017-84118-C2-1-R project) for funding. Authors from UCM thank Santander-UCM institution (PR41/17-20951 project) and MINECO (MAT2017-84118-C2-2-R project) for funding. | - |
dc.publisher | Multidisciplinary Digital Publishing Institute | - |
dc.relation | MAT2017-84118-C2-1-R/AEI/10.13039/501100011033 | - |
dc.relation | info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020/MAT2017-84118-C2-1-R | - |
dc.relation | MAT2017-84118-C2-2-R/AEI/10.13039/501100011033 | - |
dc.relation | info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020/MAT2017-84118-C2-2-R | - |
dc.relation.isversionof | Publisher's version | - |
dc.rights | openAccess | - |
dc.subject | Volatile organic compounds (VOC) | - |
dc.subject | Iron oxide | - |
dc.subject | Mild preparation routes | - |
dc.subject | Total oxidation | - |
dc.title | Eco-friendly cavity-containing iron oxides prepared by mild routes as very efficient catalysts for the total oxidation of VOCs | - |
dc.type | artículo | - |
dc.identifier.doi | 10.3390/ma11081387 | - |
dc.description.peerreviewed | Peer reviewed | - |
dc.relation.publisherversion | https://doi.org/10.3390/ma11081387 | - |
dc.date.updated | 2018-08-22T08:32:49Z | - |
dc.rights.license | http://creativecommons.org/licenses/by/4.0/ | - |
dc.contributor.funder | Universidad de Valencia | - |
dc.contributor.funder | Agencia Estatal de Investigación (España) | - |
dc.contributor.funder | Agencia Estatal de Investigación (España) | - |
dc.contributor.funder | Ministerio de Ciencia, Innovación y Universidades (España) | - |
dc.contributor.funder | Universidad Complutense de Madrid | - |
dc.contributor.funder | Banco Santander | - |
dc.relation.csic | Sí | - |
dc.identifier.funder | http://dx.doi.org/10.13039/501100002911 | es_ES |
dc.identifier.funder | http://dx.doi.org/10.13039/100010784 | es_ES |
dc.identifier.funder | http://dx.doi.org/10.13039/501100011033 | es_ES |
dc.identifier.pmid | 30096865 | - |
dc.type.coar | http://purl.org/coar/resource_type/c_6501 | es_ES |
item.openairetype | artículo | - |
item.cerifentitytype | Publications | - |
item.grantfulltext | open | - |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
item.fulltext | With Fulltext | - |
Aparece en las colecciones: | (ICMM) Artículos (ICB) Artículos |
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materials-11-01387.pdf | 11,74 MB | Adobe PDF | Visualizar/Abrir |
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