Hydrodeoxygenation of guaiacol on noble metal catalysts

Hydrodeoxygenation (HDO) performed at high temperatures and pressures is one alternative for upgrading of pyrolysis oils from biomass. Studies on zirconia-supported mono- and bimetallic noble metal (Rh, Pd, Pt) catalysts showed these catalysts to be active and selective in the hydrogenation of guaia...

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Bibliographic Details
Published in:Catalysis today 2009-10, Vol.147 (3-4), p.239-246
Main Authors: Gutierrez, A., Kaila, R.K., Honkela, M.L., Slioor, R., Krause, A.O.I.
Format: Article
Language:English
Subjects:
Catalysis
Chemistry
Exact sciences and technology
General and physical chemistry
HDO
Noble metal catalysts
Pyrolysis oil
Theory of reactions, general kinetics. Catalysis. Nomenclature, chemical documentation, computer chemistry
Upgrading
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Summary:Hydrodeoxygenation (HDO) performed at high temperatures and pressures is one alternative for upgrading of pyrolysis oils from biomass. Studies on zirconia-supported mono- and bimetallic noble metal (Rh, Pd, Pt) catalysts showed these catalysts to be active and selective in the hydrogenation of guaiacol (GUA) at 100°C and in the HDO of GUA at 300°C. GUA was used as model compound for wood-based pyrolysis oil. At the temperatures tested, the performance of the noble metal catalysts, especially the Rh-containing catalysts was similar or better than that of the conventional sulfided CoMo/Al2O3 catalyst. The carbon deposition on the noble metal catalysts was lower than that on the sulfided CoMo/Al2O3 catalyst. The performance of the Rh-containing catalysts in the reactions of GUA at the tested conditions demonstrates their potential in the upgrading of wood-based pyrolysis oils.
ISSN:0920-5861
1873-4308
DOI:10.1016/j.cattod.2008.10.037