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One-pot catalytic reaction to produce high-carbon-number dimeric deoxygenated hydrocarbons from lignin-derived monophenyl vanillin using Al2O3-cogelled Ru nanoparticles

Paper ID Volume ID Publish Year Pages File Format Full-Text
38743 45789 2016 8 PDF Available
Title
One-pot catalytic reaction to produce high-carbon-number dimeric deoxygenated hydrocarbons from lignin-derived monophenyl vanillin using Al2O3-cogelled Ru nanoparticles
Abstract

•1-Pot synthesis of deoxygenated dimers of vanillin using a nanostructured catalyst.•Selective formation of dimers using a bifunctional catalyst.•Reaction pathway for the production of dimers.

Al2O3-cogelled Ru nanoparticle (Ru@Al) catalyst was prepared by a one-pot in-situ alumina gelation method using a PVP-stabilized Ru colloid solution. The Ru@Al catalyst exhibited excellent catalytic activity during the liquid-phase hydrodeoxygenation of vanillin, demonstrating 100% conversion, as well as significantly higher yields of fully deoxygenated compounds compared to other conventional alumina-supported Ru catalysts. We also observed better selectivity to deoxygenated dimers with the Ru@Al catalyst. The improved catalytic selectivity was attributed to the hypothesized three-dimensional structures of Al2O3 surrounding the Ru nanoparticles, which improved the two-step reaction, containing the dimerization of the phenolic compounds and the hydrodeoxygenation of phenolic dimers to produce deoxygenated high-carbon-number hydrocarbons.

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Keywords
Vanillin; Ruthenium; Alumina; Hydrodeoxygenation; Condensation
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One-pot catalytic reaction to produce high-carbon-number dimeric deoxygenated hydrocarbons from lignin-derived monophenyl vanillin using Al2O3-cogelled Ru nanoparticles
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis A: General - Volume 524, 25 August 2016, Pages 243–250
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us