BETO 2021 Peer Review - Analytical Development and Standardization for Biomass-Derived Thermochemical Liquids

Jack Ferrell, Mariefel Olarte, Jiheon Jun

Research output: NRELPresentation


This project began in FY14 to address the lack of standard chemical characterization analytical methods for bio-oils. Bio-oils are very complex and present numerous analytical challenges; yet reliable chemical information (quantification of both individual compounds and chemical functional groups) is needed to inform upgrading research and refinery co-processing. In this project, analysis needs are first determined from engaging the bioenergy community. Next, standard methods are developed to meet these needs, and then subsequently validated via inter-laboratory studies. Methods that are successfully validated (< 10% variability) are then shared as Laboratory Analytical Procedures (LAPs), which are free and publicly available. We have been tracking LAP use and have seen sustained usage as evidenced by an average of 500 pages views and 100 downloads per quarter, demonstrating the value of these methods to the bioenergy community. LAP methods that are particularly useful and reliable will be chosen for the next-level of standardization through ASTM. We have recently achieved approval by ASTM for our carbonyl titration method. This method (ASTM E3146) is the first example of an ASTM standard solely focused on the chemical characterization of bio-oils. Work in this project is meeting the analysis needs of the bioenergy community and will ultimately help enable the commoditization of bio-oils.
Original languageAmerican English
Number of pages28
StatePublished - 2021

Publication series

NamePresented at the U.S. Department of Energy's Bioenergy Technologies Office (BETO) 2021 Project Peer Review, 8-12, 15-16, and 22-26 March 2021

NREL Publication Number

  • NREL/PR-5100-79288


  • analytical methods
  • bio-oils
  • refinery


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