Please use this identifier to cite or link to this item: https://hdl.handle.net/10316/107529
Title: Liquid-Phase Hydrodeoxygenation of Guaiacol over Mo2C Supported on Commercial CNF. Effects of Operating Conditions on Conversion and Product Selectivity
Authors: Moreira, Rui 
Ochoa, Elba
Pinilla, José
Portugal, António 
Suelves, Isabel
Keywords: hydrodeoxygenation; molybdenum carbide catalyst; carbon nanofibers supported catalysts
Issue Date: 2018
Publisher: MDPI
Project: FEDER and the Spanish Economy and Competitiveness Ministry (MINECO) (ENE2014-52189-C02-01-R and ENE2017-83854-R). 
MINECO - Ramon y Cajal research contract (RYC-2013-12494) 
ICB-CSIC 
Serial title, monograph or event: Catalysts
Volume: 8
Issue: 4
Abstract: In this work, a Mo2C catalyst that was supported on commercial carbon nanofibers (CNF) was synthetized and tested in the hydrodeoxygenation (HDO) of guaiacol. The effects of operating conditions (temperature and pressure) and reaction time (2 and 4 h) on the conversion of guaiacol and products selectivity were studied. The major reaction products were cresol and phenol, followed by xylenols and toluene. The use of more severe operating conditions during the HDO of guaiacol caused a diversification in the reaction pathways, and consequently in the selectivity to products. The formation of phenol may have occurred by demethylation of guaiacol, followed by dehydroxylation of catechol, together with other reaction pathways, including direct guaiacol demethoxylation, and demethylation of cresols. X-ray diffraction (XRD) analysis of spent catalysts did not reveal any significant changes as compared to the fresh catalyst.
URI: https://hdl.handle.net/10316/107529
ISSN: 2073-4344
DOI: 10.3390/catal8040127
Rights: openAccess
Appears in Collections:I&D CIEPQPF - Artigos em Revistas Internacionais

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