Journal
CHEMSUSCHEM
Volume 9, Issue 14, Pages 1750-1772Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/cssc.201600144
Keywords
biomass; deoxygenation; furfural; hydrogen; phenol
Funding
- New Brunswick Innovation Foundation (NBIF)
- Natural Sciences and Engineering Research Council (NSERC) of Canada
- Canada Research Chairs (CRC)
- Canadian Foundation for Innovation (CFI)
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Research development of processes for refining bio-oils is becoming increasingly popular. One issue that these processes possess is their high requirement for H-2 gas. In response, researchers must develop catalysts that perform deoxygenation while minimizing H-2 consumption-selective deoxygenation. Unlike traditional deoxygenation processes, selective deoxygenation reactions and catalysts represent an information gap that, prior to this publication, has yet to be reviewed. This review addresses the gap by providing both a summary of recent research developments and insight into future developments of new catalytic materials. Bifunctional catalysts containing a combination of oxophilicity and an active metal phase appear to be the most beneficial for selective deoxygenation processes in a H-2-modest environment. It is important that catalysts have a supply of disassociated hydrogen, because without such, activity and stability will suffer. The authors recommend to maximize the use of internally available hydrogen in bio-fuel, which may be the only viable approach for deoxygenation if external H-2 gas is limited. This would be possible through the development of catalysts that promote both the water-gas-shift and deoxygenation reactions.
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