Journal
CHEMCATCHEM
Volume 5, Issue 6, Pages 1598-1605Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/cctc.201200582
Keywords
biomass; heterogeneous catalysis; hydrodeoxygenation; ionic liquids; phenol
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Funding
- National Basic Research Program of China (973 Program) [2012CB215304]
- National Natural Science Foundation of China [21172219, 21250110061, 21101053]
- Guangdong Natural Science Foundation [S2011010000737]
- Guangzhou Science and Technology Project [12C64061560]
- Key Laboratory of Renewable Energy and Natural Gas Hydrate, Chinese Academy of Sciences [Y007K1, Y207J1]
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Using phenolic bio-oil as feedstock for sustainable production of alkane fuels is of great significance. Here, the hydrodeoxygenation of phenol and its derivatives has been systematically investigated in aqueous media with a dual-functional catalyst system consisting of water-soluble, ionic liquid-like copolymer A-stabilized nanocatalysts and the mineral acid H3PO4. The developed Ru/A-H3PO4 catalyst system achieved a complete phenol conversion with cyclohexane selectivity higher than 99%, making it by far one of the most efficient systems for phenol hydrodeoxygenation. Mercury poisoning experiments revealed that the insitu generated Ru nanoparticles are true a heterogeneous catalyst for hydrogenation. The catalytic activity of metal site for phenol hydrodeoxygenation to cyclohexane decreased with the order of Ru>Rh>Pt >> Pd. Our findings also demonstrated the delicate balance between activity and stability of ionic liquid-like copolymer-stabilized nanocatalysts. The research highlights an efficient catalyst system of transforming phenols into alkanes.
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