期刊
APPLIED CATALYSIS A-GENERAL
卷 475, 期 -, 页码 427-437出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.apcata.2014.01.057
关键词
Hydrodeoxygenation; 2-Methoxyphenol; Activated carbon; ReS2
资金
- CONICYT-Chile for FONDECYT [1100512, ACT-130, PFB-27]
- Red Doctoral REDOC.CTA, MINEDUC project at the University of Concepcion [UC01202]
- FONDEQUIP EQM [120096]
Two activated carbons (GAC and CGran Norit) were used as supports to prepare Re/C catalysts (0.4 atoms of Re per nm(2) of support). In addition, Re(x)/GAC catalysts with loadings of 0.5, 0.6, 0.7 and 0.8 atoms of Re per nm(2) of support were prepared. The activity difference between Re(0.4)/CGran and Re(0.4)/GAC catalysts was related to the amount of surface oxygen functional groups on the support that is resistant to sulfidation. Meanwhile, the activity of the Re(x)/GAC catalysts as a function of Re content was correlated with ReS2 dispersion; the most active catalyst was the one with Re loading of 0.6 atoms per nm(2) of support. On the other hand, the selectivity, expressed in terms of the phenol/catechol ratio, did not change with Re loading but was rather mainly influenced by the acid strength of the support. (C) 2014 Elsevier B.V. All rights reserved.
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