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Chemical & Biological Processing

Michel Gray

Michel Gray

Pacific Northwest National Laboratory
PO Box 999
Richland, WA 99352


Michel Gray has over 5 years experience in Bio-fuels research, with respect to reactor design, fabrication, and operation. The research he has been involved in is related to the catalytic conversion of biomass to fuels and chemicals. He currently is co-inventor on three patents and has worked on projects that involve Synthesis Gas conversion to Alcohols, Gasification, and the conversion of Corn Ethanol byproducts to useful chemicals. His strengths are in reactor construction, reactor management, and analytical.

PNNL Patents

Research Interests

  • Reactor Construction for Thermochemical Processes
  • International Collaboration in Biomass Research
  • Catalyst Development and Screening

Education and Credentials

  • B.S., Chemistry , Washington State University
  • A.A.S., Columbia Basin College

PNNL Publications


  • Murugesan V., M.J. Gray, M.F. Guo, H.M. Job, L. Kovarik, A. Devaraj, and S. Thevuthasan, et al. 2019. "Thermally Activated Nucleation and Growth of Cobalt and Nickel Oxide Nanoparticles on Porous Silica." Journal of Vacuum Science and Technology A--Vacuum, Surfaces and Films 37, no. 3:Article No. 031101. PNNL-SA-121414. doi:10.1116/1.5080448


  • Devaraj A., V. Murugesan, J. Bao, M.F. Guo, M.A. Derewinski, Z. Xu, and M.J. Gray, et al. 2016. "Discerning the Location and Nature of Coke Deposition from Surface to Bulk of Spent Zeolite Catalysts." Scientific Reports 6. PNNL-SA-113562. doi:10.1038/srep37586
  • Lebarbier V.M., C.D. Smith, M.D. Flake, K.O. Albrecht, M.J. Gray, K.K. Ramasamy, and R.A. Dagle. 2016. "Integrated Process for the Catalytic Conversion of Biomass-Derived Syngas into Transportation Fuels." Green Chemistry 18, no. 7:1880-1891. PNNL-SA-113248. doi:10.1039/c5gc02298c
  • Ramasamy K.K., M.J. Gray, H.M. Job, C.D. Smith, and Y. Wang. 2016. "Tunable catalytic properties of bi-functional mixed oxides in ethanol conversion to high value compounds." Catalysis Today 269. PNNL-SA-115950. doi:10.1016/j.cattod.2015.11.045
  • Ramasamy K.K., M.J. Gray, H.M. Job, D.M. Santosa, X.S. Li, A. Devaraj, and A.J. Karkamkar, et al. 2016. "Role of Calcination Temperature on the Hydrotalcite Derived MgO-Al2O3 in Converting Ethanol to Butanol." Topics in Catalysis 59, no. 1:46-54. PNNL-SA-110874. doi:10.1007/s11244-015-0504-8
  • Tan E., L.J. Snowden-Swan, M. Talmadge, A. Dutta, S.B. Jones, K. Kallupalayam Ramasamy, and M.J. Gray, et al. 2016. "Comparative Techno-economic Analysis and Process Design for Indirect Liquefaction Pathways to Distillate-range Fuels via Biomass-derived Oxygenated Intermediates Upgrading." Biofuels, Bioproducts & Biorefining 11, no. 1:41-66. PNNL-SA-120207. doi:10.1002/bbb.1710


  • Howe D.T., D.J. Taasevigen, M.A. Gerber, M.J. Gray, C.A. Fernandez, L. Saraf, and M. Garcia-Perez, et al. 2015. "Bed Agglomeration During the Steam Gasification of a High Lignin Corn Stover Simultaneous Saccharification and Fermentation (SSF) Digester Residue." Energy and Fuels 29, no. 12:8035-8046. PNNL-SA-112332. doi:10.1021/acs.energyfuels.5b01808
  • Ramasamy K.K., M.J. Gray, H.M. Job, and Y. Wang. 2015. "Direct Syngas Hydrogenation over a Co-Ni Bimetallic Catalyst: Process Parameter Optimization." Chemical Engineering Science 135. PNNL-SA-107517. doi:10.1016/j.ces.2015.03.064


  • Dagle R.A., J.A. Lizarazo Adarme, V.M. Lebarbier, M.J. Gray, J.F. White, D.L. King, and D.R. Palo. 2014. "Syngas Conversion to Gasoline-Range Hydrocarbons over Pd/ZnO/Al2O3 and ZSM-5 Composite Catalyst System." Fuel Processing Technology 123. PNNL-SA-86935. doi:10.1016/j.fuproc.2014.01.041



  • Gerber M.A., M.J. Gray, K.O. Albrecht, and B.L. Thompson. 2012. Optimization of Rhodium-Based Catalysts for Mixed Alcohol Synthesis - 2012 Progress Report. PNNL-22659. Richland, WA: Pacific Northwest National Laboratory. Optimization of Rhodium-Based Catalysts for Mixed Alcohol Synthesis - 2012 Progress Report
  • Glezakou V.A., J.E. Jaffe, R.J. Rousseau, D. Mei, S.M. Kathmann, K.O. Albrecht, and M.J. Gray, et al. 2012. "The Role of Ir in Ternary Rh-Based Catalysts for Syngas Conversion to C2+ Oxygenates." Topics in Catalysis 55, no. 7-10:595-600. PNNL-SA-85103. doi:10.1007/s11244-012-9836-9




  • Holladay J.E., J.B. Binder, M.J. Gray, J.F. White, and Z.C. Zhang. 2009. "Reactions of Lignin Model Compounds in Ionic Liquids." Biomass & Bioenergy 33, no. 9:1122-1130. PNNL-SA-57524. doi:



Chemical & Biological Processing

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