Accelerated Aging of Fast Pyrolysis Bio-Oils

Stuart Black, Jack Ferrell III

Research output: NRELPresentation


Carbonyl content is a better metric for tracking aging than viscosity. Existing aging test (24 hours @ 80 °C) is too severe, and correlates to more room temperature aging than would realistically occur. New aging test proposed: 2 hours @ 80 °C correlates to 1-3 months of room temperature storage. Aging is slowed in cold storage, but still occurs.
Original languageAmerican English
Number of pages17
StatePublished - 2020

Publication series

NamePresented at the ACS Fall 2020 Virtual Meeting, 17-20 August 2020

NREL Publication Number

  • NREL/PR-5100-77605


  • aging
  • bio-oil
  • carbonyl
  • pyrolysis


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