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Catalytic roles of metals and supports on hydrodeoxygenation of lignin monomer guaiacol

Paper ID Volume ID Publish Year Pages File Format Full-Text
50971 46824 2012 5 PDF Available
Title
Catalytic roles of metals and supports on hydrodeoxygenation of lignin monomer guaiacol
Abstract

Hydrodeoxygenation of the lignin monomer guaiacol was performed on the bifunctional catalysts of noble-metals supported on acidic matrices. The catalytic roles of metal nanoparticles and acidic supports were elucidated using the acid-site-measurement-dependent catalysis results, which demonstrated that metals were responsible for the hydrogenation of aromatic rings while metal-deposited acidic supports were indispensable to the deoxygenation of oxygenates. Among various combinations of metals and supports, Rh/SiO2-Al2O3 and Ru/SiO2-Al2O3 exhibited the highest cyclohexane yields.

Graphical abstractFigure optionsDownload full-size imageDownload as PowerPoint slideHighlights► Catalytic hydrodeoxygenation of lignin monomer guaiacol to cyclohexane. ► Combinations of noble metals and acidic supports for bifunctional catalysts. ► Product distribution analysis on various catalysts. ► Acidity of catalysts is measured by NH3-TPD. ► Hydrodeoxygenation depends more on catalyst acidity. ► The reaction pathway of guaiacol to cyclohexane is suggested.

Keywords
Hydrodeoxygenation; Guaiacol; Lignin; Rh/SiO2-Al2O3; Catalyst; Biomass
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Catalytic roles of metals and supports on hydrodeoxygenation of lignin monomer guaiacol
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 17, 5 January 2012, Pages 54–58
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