Nanostructured MnOx catalysts in the liquid phase selective oxidation of benzyl alcohol with oxygen. Part II. Reaction mechanism, kinetics and deactivation pattern. (Articolo in rivista)

Type

• Prodotto della ricerca (Classe)
• Articolo in rivista (Classe)

Label

• Nanostructured MnOx catalysts in the liquid phase selective oxidation of benzyl alcohol with oxygen. Part II. Reaction mechanism, kinetics and deactivation pattern. (Articolo in rivista) (literal)

Anno

• 2015-01-01T00:00:00+01:00 (literal)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi

• 10.1016/j.apcatb.2015.01.040 (literal)

Alternative label

• Arena, Francesco; Gumina, Bianca; Cannilla, Catia; Spadaro, Lorenzo; Patti, Antonio Frank; Spiccia, Leone (2015)
  Nanostructured MnOx catalysts in the liquid phase selective oxidation of benzyl alcohol with oxygen. Part II. Reaction mechanism, kinetics and deactivation pattern.
  in Applied catalysis. B, Environmental (Print)
  (literal)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori

• Arena, Francesco; Gumina, Bianca; Cannilla, Catia; Spadaro, Lorenzo; Patti, Antonio Frank; Spiccia, Leone (literal)

Pagina inizio

• 233 (literal)

Pagina fine

• 240 (literal)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url

• http://www.scopus.com/record/display.url?eid=2-s2.0-84922432208&origin=inward (literal)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume

• 170-171 (literal)

Rivista

• Applied catalysis. B, Environmental (Rivista)

Note

• Scopu (literal)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni

• Universita degli Studi di Messina; Consiglio Nazionale delle Ricerche; Monash University (literal)

Titolo

• Nanostructured MnOx catalysts in the liquid phase selective oxidation of benzyl alcohol with oxygen. Part II. Reaction mechanism, kinetics and deactivation pattern. (literal)

Abstract

• The mechanism and kinetics of the liquid phase selective oxidation of benzyl alcohol to benzaldehyde with oxygen on bare and Ce or Fe promoted (Mnat/Meat, 3) MnOx catalysts [1] have been investigated. Irrespective of toluene as solvent, the bare and promoted catalysts drive the selective oxidation of the substrate via the Mars-van Krevelen redox mechanism due to a high reactivity of oxygen species present on the catalyst surface. The experimental 0th-order dependence on alcohol concentration signals the occurrence of a Langmuir-Hinshelwood (L-H) reaction pathway, kinetically controlled by adsorption-desorption steps (r.d.s.). Apparent 1st-order conversion trends reflect the occurrence of deactivation phenomena (i.e., parallel fouling) leading to a residual constant activity level during 50 h. DRIFT analyses of the fresh and used catalysts uncover the incipient formation of benzoic acid hindering the oxidation functionality by strong adsorption on active sites. Calcination at T>=473K restores the functionality of the used catalysts by the removal of strongly adsorbed benzoate species. (literal)

Prodotto di

• Institute for advanced energy technologies \"Nicola Giordano\" (ITAE) (Istituto)

Autore CNR

• LORENZO SPADARO (Unità di personale interno)
• FRANCESCO ARENA (Unità di personale esterno)
• CATIA CANNILLA (Persona)

Insieme di parole chiave

• Parole chiave di "Nanostructured MnOx catalysts in the liquid phase selective oxidation of benzyl alcohol with oxygen. Part II. Reaction mechanism, kinetics and deactivation pattern." (Insieme di parole chiave)

Incoming links:

Autore CNR di

• LORENZO SPADARO (Unità di personale interno)
• FRANCESCO ARENA (Unità di personale esterno)
• CATIA CANNILLA (Persona)
• http://www.cnr.it/ontology/cnr/individuo/unitaDiPersonaleEsterno/ID23166
• http://www.cnr.it/ontology/cnr/individuo/unitaDiPersonaleEsterno/ID24940

Prodotto

• Institute for advanced energy technologies \"Nicola Giordano\" (ITAE) (Istituto)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#rivistaDi

• Applied catalysis. B, Environmental (Rivista)

Insieme di parole chiave di

• Parole chiave di "Nanostructured MnOx catalysts in the liquid phase selective oxidation of benzyl alcohol with oxygen. Part II. Reaction mechanism, kinetics and deactivation pattern." (Insieme di parole chiave)