Profile Picture

Sergio Hernandez

Research Specialist

Research Areas:
Biomass Feedstock National User Facility ; Feedstock Particle Mechanics; Bioenergy Technologies


Sergio Hernandez is a Biomass Characterization Researcher within the Bioenergy Technologies program under the Clean Energy and Advanced Transportation Division at Idaho National Laboratory (INL). Since arriving to INL, his research has been focused on supporting and developing the production of commercially viable biofuels, bioproducts, and biopower made from renewable biomass resources, carrying out research interests in the Department of Energy Biomass Feedstock National User Facility (BFNUF) at INL. Sergio has expertise in biomass chemical, mechanical, and physical characteristics that aims to understand biomass handling, feeding, and preprocessing systems and impacts toward performance on a variety of conversion pathways.

Digital Profiles:

​M.S., Environmental Science, University of Idaho

B.S., Microbiology - Idaho State University



​“Development of an Accelerated Wear Testing Apparatus for Assessing Wear Properties of Biomass Feedstock.” J.A. Lacey, V. Thompson, J.E. Aston, S. Hernandez. Biomass and Bioenergy, submitted.

“Grading Herbaceous Biomass for Biorefineries: A Case Study Based on Chemical Composition and Biochemical Conversion.” A. Hoover, R.M. Emerson, C.L. Williams, M. M. Ramirez-Corredores, A. Ray, K. Schaller, S. Hernandez, C. Li, M. Walton. BioEnergy Research, September 2019.

“High-Octane Gasoline from Biomass: Experimental, Economic, and Environmental Assessment.” D.P. Dupuis, R. G. Grim, E. Nelson, E. C. D. Tan, D. A. Ruddy, S. Hernandez, T.L. Westover, J. E. Hensley, D. Carpenter. Applied Energy, Volume 241, May 2019, Pages 25-33.

“Improving Bioenergy Feedstock Quality of High Moisture Short Rotation Woody Crops Using Air Classification.” R. M. Emerson, S. Hernandez, C. L. Williams, J.A. Lacey, D. S. Hartley. Biomass and Bioenergy, Volume 117, October 2018, Pages 56-62.

"Preprocessing and Hybrid Biochemical / Thermochemical Conversion of Short Rotation Woody Coppice for Biofuels." C. L. Williams, R. M. Emerson, S. Hernandez, J.L. Klinger, Eric P. Fillerup, Brad Thomas. Frontiers in Energy Research, Volume 6.

“Effect of Biomass Type, Heating Rate, and Sample Size on Microwave Enhanced Fast Pyrolysis Product Yields and Qualities.” J.L. Klinger, T.L. Westover, R.M. Emerson, C.L. Williams, S. Hernandez, J.C. Ryan. Applied Energy, Volume 228, October 2018, Pages 535-545.

“Evaluation of Fast Pyrolysis Feedstock Conversion with a Mixing Paddle Reactor.” S. Zinchik, J.L. Klinger, T.L. Westover, Y. Donepudi, S. Hernandez, J.D. Naber, E. Bar-Ziv. Fuel Processing Technology, Volume 171, March 2018, Pages 124-132.

“Feeding Properties and Behavior of Hammer- and Knife-Milled Pine.” S. Hernandez, T.L. Westover, A.M. Matthews, J.C. Ryan, C.L. Williams. Powder Technology, Volume 320, October 2017, Pages 191-201.

“Catalytic Hydroprocessing of Fast Pyrolysis Oils: Impact of Biomass Feedstock on Process Efficiency.” D. Carpenter, T. Westover, D. Howe, S. Deutch, A. Starace, R. Emerson, S. Hernandez, D. Santosa, I. Kutnyakov, C. Lukins. Biomass and Bioenergy, Volume 96, January 2017, Pages 142-151.


​Hopper Apparatuses for Processing a Bulk Solid, and Related Systems and Methods. T.L. Westover, J.C.B. Ryan, A.C. Matthews, S. Hernandez. Patent No. US 9,969,553.


“Wear and Why? How Ash Elements Can Help Define Wear Profiles of Biomass Feedstocks.” J.A. Lacey, J.E. Aston, S. Hernandez, V. Thompson. 2019 ASABE Annual International Meeting.

“Flow Behavior of Particulate Pine Forest Residues and Corn Stover: A Comparison of Experiments and Simulations.” T. L. Westover, Y. Xia, K.S. Pardikar, J. Klinger, S. Hernandez, H. Huang, C. Wassgren. 2018 AIChE Annual Meeting. Pittsburgh, Pennsylvania, November 2018.

“Effect of Biomass Type, Heating Rate, and Sample Size on Microwave Enhanced Fast Pyrolysis Product Yields and Qualities.” T. L. Westover, J. Klinger, R. Emerson, C. Luke Williams, S. Hernandez. AIChE 2018 Spring Meeting and 14th Global Congress on Process Safety. Orland, Florida, April 2018.

“Real-Time, in-Line Assessment of Flow Performance for Compressible and Anisotropic Bulk Solids.” T.L. Westover, G. Monson, S. Hernandez, J. Klinger, K. Pardikar, C.R. Wassgren. 2017 AIChE Annual Meeting. Minneapolis, Minnesota, October 2017.

“Discrete and Continuum Plane-Hopper Flow Simulations with Experimental Validation Using X-Ray Imaging, Arch Profilometry, and Wall Pressure Measurements.” T.L. Westover, K. Pardikar, Y. Xia, J. Klinger, S. Hernandez, G. Monson, H. Huang, C.R. Wassgren. 2017 AIChE Annual Meeting. Minneapolis, Minnesota, October 2017.

"Determination of Impact of Feedstock Composition on Fast Pyrolysis Oil Yield and Quality Using Multiple Linear Regression Modeling." T.L. Westover, R. Emerson, S. Hernandez, D. Carpenter, D. Howe. 2016 Symposium on Thermal and Catalytic Sciences for Biofuels and Biobased Products. Chapel Hill, North Carolina, November, 2016.

“Rheology of Biomass Slurries to Determine Pumpability for Hydrothermal Liquefaction.” C. L. Williams, T.L. Westover, A. C. Matthews, S. Hernandez. 2016 AlChE Annual Meeting. San Francisco, California, November, 2016.

“Flowability Performance of Pine Chips as a Function of Particle Size and Moisture Content.” T.L. Westover, S. Hernandez, A. Matthews, J.C. Ryan. 2015 AlChE Annual Meeting. Salt Lake City, Utah, November 11, 2015.

“Secondary Measurement of Biomass Ash Content Through Pycnometry and X-Ray Densitometry.” I.J. Bonner, W.A. Smith, S. Hernandez, T. Roney, J. Earl. 2015 ASABE Annual International Meeting. New Orleans, Louisiana, July 28, 2015.

“An Investigation of Microbial Sulfur Oxidation Activity and its Impact on Geothermal Reservoir Chemistry to Better Evaluate Potential Geothermometry Predictions.” S.Hernandez, D.W. Reed. 2014 ASM Intermountain Branch Meeting. Provo, Utah, March 8, 2014.

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