期刊
ENERGY & ENVIRONMENTAL SCIENCE
卷 6, 期 6, 页码 1732-1738出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c3ee24360e
关键词
-
资金
- British Petroleum (BP) through the MIT Energy Initiative Advanced Conversion Research Program
Effective hydrodeoxygenation of biomass-derived oxygenates is achieved with MoO3 to produce unsaturated hydrocarbons, converting linear ketones and cyclic ethers to olefins, and cyclic ketones and phenolics to aromatics with high yields. The catalyst is selective for C-O bond cleavage and operates using low H-2 pressures (<= 1 bar). We show that deactivation can be minimised by tuning hydrogen partial pressure, that original activity can be recovered by calcination, and that catalytic activity can be maintained in the presence of water. Theoretical calculations are used to elucidate reaction pathways and highlight the role of oxygen vacancies in the deoxygenation process.
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