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dc.contributor.author Decolatti, Hernán Pablo
dc.contributor.author Dalla Costa, Bruno Oscar
dc.contributor.author Querini, Carlos Alberto
dc.date.available 2017-12-26T21:01:14Z
dc.date.issued 2014-11
dc.identifier.citation Querini, Carlos Alberto; Dalla Costa, Bruno Oscar; Decolatti, Hernán Pablo; Dehydration of glycerol to acrolein using H-ZSM5 zeolite modified by alkali treatment with NaOH; Elsevier; Microporous and Mesoporous Materials; 204; 11-2014; 180-189
dc.identifier.issn 1387-1811
dc.identifier.uri http://hdl.handle.net/11336/31609
dc.description.abstract The dehydration of glycerol to acrolein has been studied using H-ZSM5 zeolite treated in alkaline medium in order to develop mesoporosity by desilication. Treatment of H-ZSM5 zeolite (Si/Al=15) in NaOH solutions leads to mesoporosity development due to the preferential extraction of Si from the zeolite framework (desilication) without significant modification of the intrinsic zeolite properties. The samples were studied by powder X-ray diffraction (XRD), N2 adsorption, pyridine-temperature programmed desorption (Py-TPD) and FTIR of adsorbed pyridine. The coke deposits were analyzed by temperature programmed oxidation (TPO). The alkaline treatment conditions led to an increased mesopore surface area from 254 m2 g-1 for the calcined zeolite to 325 m2 g-1 for the alkaline-treated material, while the micropore volume was only slightly decreased (from 0.136 to 0.130 ml g-1).Besides substantial mesoporosity development, the zeolite maintained Brönsted acidic properties, which are highly attractive in order to promote acid-catalyzed reactions like glycerol dehydration. Catalytic testing of the modified solids showed an improved performance in dehydration of glycerol to acrolein, due to the unique interplay between improved physical transport in the shortened micropores and the preserved high density of acid sites. The catalyst stability was improved upon desilication due to an increase in coke tolerance.
dc.format application/pdf
dc.language.iso eng
dc.publisher Elsevier
dc.rights info:eu-repo/semantics/restrictedAccess
dc.rights.uri https://creativecommons.org/licenses/by-nc-nd/2.5/ar/
dc.subject GLYCEROL DEHYDRATION
dc.subject ACROLEIN
dc.subject ZSM-5
dc.subject ALKALINE TREATMENT
dc.subject.classification Otras Ingeniería Química
dc.subject.classification Ingeniería Química
dc.subject.classification INGENIERÍAS Y TECNOLOGÍAS
dc.title Dehydration of glycerol to acrolein using H-ZSM5 zeolite modified by alkali treatment with NaOH
dc.type info:eu-repo/semantics/article
dc.type info:ar-repo/semantics/artículo
dc.type info:eu-repo/semantics/publishedVersion
dc.date.updated 2017-12-26T19:50:37Z
dc.journal.volume 204
dc.journal.pagination 180-189
dc.journal.pais Estados Unidos
dc.journal.ciudad Nueva York
dc.description.fil Fil: Decolatti, Hernán Pablo. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Santa Fe. Instituto de Investigaciones en Catálisis y Petroquímica ; Argentina
dc.description.fil Fil: Dalla Costa, Bruno Oscar. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Santa Fe. Instituto de Investigaciones en Catálisis y Petroquímica ; Argentina
dc.description.fil Fil: Querini, Carlos Alberto. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Santa Fe. Instituto de Investigaciones en Catálisis y Petroquímica ; Argentina
dc.journal.title Microporous and Mesoporous Materials
dc.relation.alternativeid info:eu-repo/semantics/altIdentifier/url/http://www.sciencedirect.com/science/article/pii/S138718111400657X
dc.relation.alternativeid info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1016/j.micromeso.2014.11.014
dc.conicet.fuente individual


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    Articulos de INST.DE INVEST.EN CATALISIS Y PETROQUIMICA "ING. JOSE MIGUEL PARERA"

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info:eu-repo/semantics/restrictedAccess Excepto donde se diga explícitamente, este item se publica bajo la siguiente descripción: Atribución-NoComercial-SinDerivadas 2.5 Argentina (CC BY-NC-ND 2.5 AR)