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Catalytic Hydrotreatment of Fast Pyrolysis Oil: Model Studies on Reaction Pathways for the Carbohydrate Fraction

Wildschut, J., Arentz, J., Rasrendra, C. B., Venderbosch, R. H. & Heeres, H. J., Oct-2009, In : Environmental Progress & Sustainable Energy. 28, 3, p. 450-460 11 p.

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  • J. Wildschut
  • J. Arentz
  • C. B. Rasrendra
  • R. H. Venderbosch
  • H. J. Heeres

Fast pyrolysis oil can be upgraded by a catalytic hydrotreatment (250-400 degrees C, 100-200 bar) using heterogeneous catalysts such as Ru/C to hydrocarbon-like products that can serve as liquid transportation fuels. Insight into the complex reaction pathways of the various component fractions during hydrotreatment is desirable to reduce the formation of by-products such as char and gaseous components. This paper deals with the catalytic hydrotreatment of representative model components for the carbohydrate fraction (viz., D-glucose and D-cellobiose) present in concentrations of 20-40% in first pyrolysis oils. The hydrotreatment was conducted at a temperature of 250 degrees C and 100 bar hydrogen using Ru. and Pd on carbon catalysts in water. Two parallel reaction Pathways are 1,ben observed, a thermal noncatalyzed pathway leading to insoluble humans (char) and a hydrogenation pathway leading to smaller polyols and gaseous hydrocarbons such as methane and ethane. Me implications of these findings for the catalytic hydrotreatment of fast pyrolysis oil are discussed. (C) 2009 American Institute of Chemical Engineers Environ Prog, 28: 450-460, 2009

Original languageEnglish
Pages (from-to)450-460
Number of pages11
JournalEnvironmental Progress & Sustainable Energy
Volume28
Issue number3
Publication statusPublished - Oct-2009
EventInternational Conference on Thermochemical Conversion Science - , Israel
Duration: 16-Sep-200918-Sep-2009

Event

International Conference on Thermochemical Conversion Science

16/09/200918/09/2009

Israel

Event: Other

    Keywords

  • pyrolysis, catalytic upgrading, carbohydrates, model components, HOT COMPRESSED WATER, LEVULINIC ACID, D-FRUCTOSE, RUTHENIUM CATALYSTS, SUPERCRITICAL WATER, GLUCOSE REACTIONS, BIOMASS, HYDROGENATION, CONVERSION, LIQUID

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