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Insights in the hydrotreatment of fast pyrolysis oil using a ruthenium on carbon catalyst

Wildschut, J., Iqbal, M., Mahfud, F. H., Melian-Cabrera, I., Venderbosch, R. H. & Heeres, H. J., 2010, In : Energy & Environmental Science. 3, 7, p. 962-970 9 p.

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DOI

  • Jelle Wildschut
  • Muhammad Iqbal
  • Farchad H. Mahfud
  • Ignacio Melian-Cabrera
  • Robbie H. Venderbosch
  • Hero J. Heeres

The use of Ru/C (5%-wt.) as a catalyst for the hydrogenation of fast pyrolysis oil was explored at 350 degrees C and 200 bar pressure in a batch reactor set-up with the main objective to determine the effect of the reaction time on the oil yield and elemental compositions of the product phases. Highest oil yields (65%-wt.) were obtained after 4 h using a 5%-wt. intake of catalyst on fast pyrolysis oil. Longer reaction times lead to a reduction of the oil yield due to the formation of gas phase components (methane, ethane, propane, CO/CO(2)). A solvent-solvent extraction procedure was applied to gain insights into the molecular transformations during the catalytic hydrotreatment experiments. It appears that specifically the carbohydrate fraction is very reactive. The observations are rationalized by a set of reaction pathways for the various product phases.

Original languageEnglish
Pages (from-to)962-970
Number of pages9
JournalEnergy & Environmental Science
Volume3
Issue number7
Publication statusPublished - 2010

    Keywords

  • FORESTRY RESIDUE, BIO-OILS, BIOMASS, HYDRODEOXYGENATION, WATER, LIQUIDS, PHASE, WOOD

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