Chemical Engineer
Energy and Environment Directorate

Pacific Northwest National Laboratory
PO Box 999
Richland, WA 99352

Chemical Engineer
Energy and Environment Directorate

Pacific Northwest National Laboratory
PO Box 999
Richland, WA 99352

Patents

Publications

2022

  • Archipley C.C., J.A. Barclay, K.D. Meinhardt, G.A. Whyatt, E.C. Thomsen, J.D. Holladay, and J. Cui, et al. 2022. "Methane Liquefaction with an Active Magnetic Regenerative Refrigerator." Cryogenics 128. PNNL-SA-171952. doi:10.1016/j.cryogenics.2022.103588

2021

  • Jiang Y., P.M. Mathias, C.J. Freeman, R.F. Zheng, G.A. Whyatt, D.J. Heldebrant, and J. Swisher. 2021. "Techno-Economic Comparison of Various Process Configurations for Post-Combustion Carbon Capture Using a Single-Component Water-Lean Solvent." International Journal of Greenhouse Gas Control 106. PNNL-SA-156565. doi:10.1016/j.ijggc.2021.103279

2020

  • Akhade S.A., N. Singh, O.Y. Gutierrez-Tinoco, J.A. Lopez-Ruiz, H. Wang, J.D. Holladay, and Y. Liu, et al. 2020. "Electrocatalytic Hydrogenation of Biomass-Derived Organics: A review." Chemical Reviews 120, no. 20:11370-11419. PNNL-SA-155470. doi:10.1021/acs.chemrev.0c00158
  • Hayes J.C., C.E. Aalseth, T.R. Alexander, H.O. Back, E.D. Church, M.P. Foxe, and T.W. Hossbach, et al. 2020. "High Throughput Argon-37 Field System." Pure and Applied Geophysics. PNNL-SA-149601. doi:10.1007/s00024-020-02584-z
  • Zheng R.F., D. Barpaga, P.M. Mathias, D. Malhotra, P.K. Koech, Y. Jiang, and M. Bhakta, et al. 2020. "A Single-Component Water-Lean Post-Combustion CO2 Capture Solvent with Exceptionally Low Operational Heat and Total Costs of Capture - Comprehensive Experimental and Theoretical Evaluation." Energy & Environmental Science 13, no. 11:4106-4113. PNNL-SA-153508. doi:10.1039/D0EE02585B

2019

2018

  • Wang C., Z. Xu, C. Lai, G.A. Whyatt, P. Marcy, and X. Sun. 2018. "Hierarchical Calibration and Validation Framework of Bench-scale Computational Fluid Dynamics Simulations for Solvent-based Carbon Capture: Part 2. Chemical Absorption across a Wetted Wall Column." Greenhouse Gases: Science and Technology 8, no. 1:150-160. PNNL-SA-126976. doi:10.1002/ghg.1727

2017

  • Heldebrant D.J., P.K. Koech, R.J. Rousseau, V. Glezakou, D. Cantu Cantu, D. Malhotra, and F. Zheng, et al. 2017. "Are Water-Lean Solvent Systems Viable for Post-Combustion CO2 Capture?." Energy Procedia 114. PNNL-SA-121489. doi:10.1016/j.egypro.2017.03.1218
  • Singh R.K., J. Galvin, G.A. Whyatt, and X. Sun. 2017. "Breakup of a Liquid Rivulet Falling Over an Inclined Plate: Identification of a Critical Weber Number." Physics of Fluids 29, no. 5:Article No. 052101. PNNL-SA-122512. doi:10.1063/1.4981920
  • Wang C., Z. Xu, C. Lai, G.A. Whyatt, P. Marcy, and X. Sun. 2017. "Hierarchical Calibration and Validation for Modeling Bench-scale Solvent-based Carbon Capture: Part 1. Non-reactive Physical Mass Transfer across the Wetted Wall Column." Greenhouse Gases: Science and Technology 7, no. 4:706-720. PNNL-SA-122798. doi:10.1002/ghg.1682
  • Whyatt G.A., A. Zwoster, F. Zheng, R.J. Perry, B.R. Wood, I. Spiry, and C.J. Freeman, et al. 2017. "Measuring CO2 and N2O Mass Transfer into GAP-1 CO2-Capture Solvents at Varied Water Loadings." Industrial Engineering Chemistry Research 56, no. 16:4830-4836. PNNL-SA-123483. doi:10.1021/acs.iecr.7b00193

2016

  • Nune S.K., D. Lao, D.J. Heldebrant, J. Liu, M.J. Olszta, R.K. Kukkadapu, and L.M. Gordon, et al. 2016. "Anomalous Water Expulsion from Carbon-Based Rods at High Humidity." Nature Nanotechnology 11, no. 9:791-797. PNNL-SA-112991. doi:10.1038/nnano.2016.91
  • Whyatt G.A., C.J. Freeman, A. Zwoster, and D.J. Heldebrant. 2016. "Measuring Nitrous Oxide Mass Transfer into Non-Aqueous CO2BOL CO2 Capture Solvents." Industrial and Engineering Chemistry Research 55, no. 16:4720-4725. PNNL-SA-115599. doi:10.1021/acs.iecr.6b00390

2015

  • Chick L.A., M.R. Weimar, G.A. Whyatt, and M.R. Powell. 2015. "The Case for Natural Gas Fueled Solid Oxide Fuel Cell Power Systems for Distributed Generation." Fuel Cells 15, no. 1:49-60. PNNL-SA-98735. doi:10.1002/fuce.201400103
  • Mathias P.M., F. Zheng, D.J. Heldebrant, A. Zwoster, G.A. Whyatt, C.J. Freeman, and M.D. Bearden, et al. 2015. "Measuring the Absorption Rate of CO2 in Nonaqueous CO2-Binding Organic Liquid Solvents with a Wetted-Wall Apparatus." ChemSusChem 8, no. 21:3617-3625. PNNL-SA-107295. doi:10.1002/cssc.201500288
  • Ronnebro E., G.A. Whyatt, M.R. Powell, M.P. Westman, F. Zheng, and Z. Fang. 2015. "Metal Hydrides for High-Temperature Power Generation." Energies 8, no. 8:8406-8430. PNNL-SA-110630. doi:10.3390/en8088406

2005

  • Brooks K.P., J.M. Davis, C.M. Fischer, D.L. King, L.R. Pederson, G.C. Rawlings, and V.S. Stenkamp, et al. 2005. "Fuel Reformation: Microchannel Reactor Design." In Microreactor Technology and Process Intensification : ACS Symposium Series, edited by Yong Wang and Jamelyn D. Holladay. 238-257. New York, New York:Oxford University Press. PNNL-SA-42332.
  • King D.L., K.P. Brooks, C.M. Fischer, L.R. Pederson, G.C. Rawlings, V.S. Stenkamp, and W.E. TeGrotenhuis, et al. 2005. "Fuel Reformation: Catalyst Requirements in Microchannel Architectures." In Microreactor Technology and Process Intensification, ACS Symposium Series, edited by Yong Wang and Jamelyn D. Holladay. 119-128. Washington, District Of Columbia:American Chemical Society. PNNL-SA-44437.

2004

  • Mattigod S.V., G.A. Whyatt, R.J. Serne, and M.I. Wood. 2004. "Diffusion of iodine and Technetium-99 through waste encasement concrete and unsaturated soil fill material." In Scientific Basis for Nuclear Waste Management XXVIII. Materials Research Society Symposium Proceedings, edited by John M. Hanchar, Simcha Stores-Gascoyne, Lauren Browning, 824, 391-398. Warrendale, Pennsylvania:Materials Research Society. PNNL-SA-43964.
  • Whyatt G.A., C.M. Fischer, and J.M. Davis. 2004. "Development of a Rapid-Start On-Board Automotive Steam Reformer." In Proceedings of the AIChE 2004 Spring National Meeting, Paper No. 120c. New York, New York:American Institute of Chemical Engineers. PNNL-SA-40939.

2002

  • Whyatt G.A., C.M. Fischer, and J.M. Davis. 2002. "Progress on the Development of a Microchannel Steam Reformer for Automotive Applications." In IMRET6 - 6th International Conference on Microreaction Technology: AIChE Spring National Meeting, March 10-14, 2002, in New Orleans, Louisiana, 85-98. New York, New York:AIChE. PNNL-SA-36029.
  • Whyatt G.A., W.E. TeGrotenhuis, J.G. Geeting, J.M. Davis, R.S. Wegeng, and L.R. Pederson. 2002. "Demonstration of Energy Efficient Steam Reforming in Microchannels for Automotive Fuel Processing." In Microreaction technology : IMRET 5 : proceedings of the Fifth International Conference on Microreaction Technology, 303-312. Berlin:Springer. PNNL-SA-34534.

2001

  • Wegeng R.S., L.R. Pederson, W.E. TeGrotenhuis, and G.A. Whyatt. 2001. "COMPACT FUEL PROCESSORS FOR FUEL CELL POWERED AUTOMOBILES BASED ON MICROCHANNEL TECHNOLOGY." Fuel Cells Bulletin 3, no. 28:8-13. PNNL-SA-33893. doi:10.1016/S1464-2859(01)80001-8

2000

  • Kincaid C.T., M.P. Bergeron, C.R. Cole, M.D. Freshley, V.G. Johnson, D.I. Kaplan, and R.J. Serne, et al. 2000. "Composite Analysis for Low-Level Waste Disposal in the 200 Area Plateau of the Hanford Site, Southeast Washington." In Environmental Toxicology and Risk Assessment: Recent Achievements in Environmental Fate and Transport Vol. 9; STP 1381, edited by Fred T. Price, Kevin V Brix, and Nancy K. Lane, 104 - 117. West Conshohocken, Pennsylvania:Am. Soc. For Testing and Materials. PNNL-SA-31730.

1998

  • Goles R.W., R.A. Merrill, C.J. Freeman, G.B. Josephson, G.A. Whyatt, D.K. Seiler, and D.A. Lamar. 1998. Engineering-Scale DC Arc Furnance Testing Summary. PNNL-11972. Richland, WA: Pacific Northwest National Laboratory. Engineering-Scale DC Arc Furnance Testing Summary