Screening of Potential Biomass-Derived Streams as Fuel Blendstocks for Mixing Controlled Compression Ignition Combustion

Gina Fioroni, Jon Luecke, Derek Vardon, Nabila Huq, Earl Christensen, Xiangchen Huo, Teresa Alleman, Robert McCormick, Michael Kass, Evgueni Polikarpov, Goutham Kukkadapu, Russell whitesides, Lisa Fouts

Research output: NRELPresentation


Mixing controlled compression ignition or diesel engines are highly efficient and are likely to continue to be the primary means for movement of goods for many years to come. Low-carbon biofuels have the potential to significantly reduce the carbon footprint of diesel combustion and could potentially have advantageous properties for combustion such as high cetane number and reduced engine out particle emissions. In this study, we developed a list of potential biomass-derived diesel blendstocks. An online database of properties and characteristics of these bioblendstocks was populated with data. Fuel properties were determined by measurement, model prediction, or literature review. Screening criteria were developed to determine if a bioblendstock met the basic requirements for handling in the diesel distribution system and use as a blend with conventional diesel. Criteria included cetane number =40, flashpoint =52 degrees C, and boiling point or final boiling point <338 degrees C. Blendstocks needed to be soluble in diesel fuel, have a toxicity no worse than conventional diesel, and not be corrosive. Additionally, cloud point or freezing point below 0 degrees C was required. This screening produced a list of 27 potential bioblendstocks. Of these candidates, 13 were available commercially or could be synthesized by biofuels production researchers and included 11 nominally pure components and two mixtures. These 13 candidates were then subjected to further study based on how they impact fuel properties upon blending. Blend properties included cetane number, lubricity, conductivity, oxidation stability and viscosity. Results indicate that all thirteen candidates can meet the basic requirements for diesel fuel blending and are likely to reduce particle emissions from diesel combustion.
Original languageAmerican English
Number of pages17
StatePublished - 2019

Publication series

NamePresented at the WCX SAE World Congress Experience, 9-11 April 2019, Detroit, Michigan

NREL Publication Number

  • NREL/PR-5400-73569


  • fuel property screening
  • low-carbon biofuels
  • mixing controlled compression ignition
  • reduce particle emissions


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