dc.contributor | Universidade Federal de São Carlos (UFSCar) | |
dc.contributor | Universidade Estadual Paulista (Unesp) | |
dc.date.accessioned | 2014-05-20T14:18:25Z | |
dc.date.available | 2014-05-20T14:18:25Z | |
dc.date.created | 2014-05-20T14:18:25Z | |
dc.date.issued | 2012-09-05 | |
dc.identifier | Catalysis Communications. Amsterdam: Elsevier B.V., v. 26, p. 122-126, 2012. | |
dc.identifier | 1566-7367 | |
dc.identifier | http://hdl.handle.net/11449/25547 | |
dc.identifier | 10.1016/j.catcom.2012.05.008 | |
dc.identifier | WOS:000308285100025 | |
dc.identifier | 2354739980406725 | |
dc.identifier | 0000-0001-9315-9392 | |
dc.description.abstract | The origin and influence of active sites on supported copper catalysts, and their catalytic properties for ethanol conversion, were investigated using Cu/SiO2, Cu2O/SiO2, and Cu/ZrO2. Diffuse reflectance infrared Fourier transform spectroscopy of adsorbed CO revealed that Cu1+ was more prevalent than Cu-0 species at the Cu/SiO2 surface, and that Cu-0 was the main species on Cu/ZrO2. The Cu1+/Cu-0 pair provided by Cu/SiO2 generates sites that are highly selective for the dehydrogenation of ethanol. Ethyl acetate can be formed from ethanol and acetaldehyde at ZrO2 or Cu surfaces. A combination of the Cu1+/Cu-0 pair and Cu-0 interfaced to ZrO2 is needed to efficiently transform ethanol to ethyl acetate. (C) 2012 Elsevier B.V. All rights reserved. | |
dc.language | eng | |
dc.publisher | Elsevier B.V. | |
dc.relation | Catalysis Communications | |
dc.relation | 3.463 | |
dc.relation | 0,929 | |
dc.rights | Acesso restrito | |
dc.source | Web of Science | |
dc.subject | DRIFTS | |
dc.subject | XANES | |
dc.subject | Zirconia polymorphs | |
dc.subject | Hydrogen | |
dc.subject | Copper catalysts | |
dc.subject | Ethanol chemistry | |
dc.title | Site-selective ethanol conversion over supported copper catalysts | |
dc.type | Artículos de revistas | |