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Energy and Environment Directorate

Lesley Snowden-Swan

Lesley Snowden-Swan

(509) 375-2749

Biography

Lesley Snowden-Swan joined PNNL in 1991. During her career she has contributed to the development of pollution prevention and waste minimization capabilities at the Laboratory. She has conducted, managed, and marketed projects regarding pollution prevention, waste minimization, environmental compliance and sustainability issues applied to process technology development and assessment. She is currently involved in projects supporting the DOE's Office of Biomass Programs, including techno-economic analysis and sustainability metrics development for biofuels. Ms. Snowden-Swan has authored or co-authored 18 publications, holds one patent, and one R&D 100 Award.

Research Interests

  • Sustainable Fuel Process Design
  • Life Cycle Analysis of Fuels and Energy
  • Sustainability Metrics for Renewable Fuels
  • Techno-economic Analysis

Education and Credentials

  • M.S. Chemical Engineering, The Johns Hopkins University B.S. Chemical Engineering, University of Washington

PNNL Patents

PNNL Publications

2022

  • Bartling A., P.T. Benavides, S.D. Phillips, T.R. Hawkins, A. Singh, M. Wiatrowski, and E. Tan, et al. 2022. "Environmental, Economic, and Scalability Considerations of Selected Bio-Derived Blendstocks for Mixing-Controlled Compression Ignition Engines." ACS Sustainable Chemistry & Engineering 10, no. 20:6699-6712. PNNL-SA-170232. doi:10.1021/acssuschemeng.2c00781
  • Grim G., D. Ravikumar, E. Tan, Z. Huang, J. Ferrell, M.G. Resch, and Z. Li, et al. 2022. "Electrifying the Production of Sustainable Aviation Fuel: The Risks, Economics, and Environmental Benefits of Emerging Pathways Including CO2." Energy & Environmental Science 15, no. 11:4798-4812. PNNL-SA-179359. doi:10.1039/D2EE02439J
  • Li S., E. Tan, A. Dutta, L.J. Snowden-Swan, M.R. Thorson, K. Kallupalayam Ramasamy, and A. Bartling, et al. 2022. "Techno-economic Analysis of Sustainable Biofuels for Marine Transportation." Environment Science and Technology 56, no. 23:17206-17214. PNNL-SA-173450. doi:10.1021/acs.est.2c03960
  • Liu J., J. Dempsey, S. Li, Y. Jiang, L.J. Snowden-Swan, W.L. Kubic, and E. Tan, et al. 2022. "Methodology for Assessing the Maximum Potential Impact of Separations Opportunities in Industrial Processes." Frontiers in Sustainability 3. PNNL-SA-178090. doi:10.3389/frsus.2022.1056580
  • Ou L., S. Li, L. Tao, S.D. Phillips, T.R. Hawkins, A. Singh, and L.J. Snowden-Swan, et al. 2022. "Techno-economic Analysis and Life-Cycle Analysis of Renewable Diesel Fuels Produced with Waste Feedstocks." ACS Sustainable Chemistry & Engineering 10, no. 1:382-393. PNNL-SA-164877. doi:10.1021/acssuschemeng.1c06561
  • Phillips S.D., S.B. Jones, P.A. Meyer, and L.J. Snowden-Swan. 2022. "Techno-economic Analysis of Cellulosic Ethanol Conversion to Fuel and Chemicals." Biofuels, Bioproducts & Biorefining 16, no. 3:640-652. PNNL-SA-165430. doi:10.1002/bbb.2346
  • Snowden-Swan L.J., S. Li, M.R. Thorson, A.J. Schmidt, D.J. Cronin, Y. Zhu, and T.R. Hart, et al. 2022. Wet Waste Hydrothermal Liquefaction and Biocrude Upgrading to Hydrocarbon Fuels: 2022 State of Technology. PNNL-33622. Richland, WA: Pacific Northwest National Laboratory. Wet Waste Hydrothermal Liquefaction and Biocrude Upgrading to Hydrocarbon Fuels: 2022 State of Technology
  • Snowden-Swan L.J., S. Li, Y. Jiang, M.R. Thorson, A.J. Schmidt, T.E. Seiple, and J.M. Billing, et al. 2022. Wet Waste Hydrothermal Liquefaction and Biocrude Upgrading to Hydrocarbon Fuels: 2021 State of Technology. PNNL-32731. Richland, WA: Pacific Northwest National Laboratory. doi:10.2172/1863608.Wet Waste Hydrothermal Liquefaction and Biocrude Upgrading to Hydrocarbon Fuels: 2021 State of Technology
  • Zhu Y., A.J. Schmidt, P.J. Valdez, L.J. Snowden-Swan, and S.J. Edmundson. 2022. Hydrothermal Liquefaction and Upgrading of Wastewater-Grown Microalgae: 2021 State of Technology. PNNL-32695. Richland, WA: Pacific Northwest National Laboratory. Hydrothermal Liquefaction and Upgrading of Wastewater-Grown Microalgae: 2021 State of Technology

2021

2020

  • Knighton L., D.S. Wendt, L.J. Snowden-Swan, J. Jenks, S. Li, S.D. Phillips, and J.A. Askander. 2020. Techno-Economic Analysis of Synthetic Fuels Pathways Integrated with Light Water Reactors. PNNL-30533. Richland, WA: Pacific Northwest National Laboratory. Techno-Economic Analysis of Synthetic Fuels Pathways Integrated with Light Water Reactors
  • Meyer P.A., L.J. Snowden-Swan, S.B. Jones, K.G. Rappe, and D.S. Hartley. 2020. "The Effect of Feedstock Composition on Fast Pyrolysis and Upgrading to Transportation Fuels: Techno-Economic Analysis and Greenhouse Gas Life Cycle Analysis." Fuel 259. PNNL-SA-141518. doi:10.1016/j.fuel.2019.116218
  • Snowden-Swan L.J., J.M. Billing, M.R. Thorson, A.J. Schmidt, D.M. Santosa, S.B. Jones, and R.T. Hallen. 2020. Wet Waste Hydrothermal Liquefaction and Biocrude Upgrading to Hydrocarbon Fuels: 2019 State of Technology. PNNL-29882. Richland, WA: Pacific Northwest National Laboratory. Wet Waste Hydrothermal Liquefaction and Biocrude Upgrading to Hydrocarbon Fuels: 2019 State of Technology

2019

  • Jiang Y., S.B. Jones, Y. Zhu, L.J. Snowden-Swan, A.J. Schmidt, J.M. Billing, and D.B. Anderson. 2019. "Techno-Economic Uncertainty Quantification of Algal-derived Biocrude via Hydrothermal Liquefaction." Algal Research 39. PNNL-SA-138139. doi:10.1016/j.algal.2019.101450
  • Weber R.S., and L.J. Snowden-Swan. 2019. "The Economics of Numbering up a Chemical Process Enterprise." Journal of Advanced Manufacturing and Processing 1, no. 1-2:Article No. e10011. PNNL-SA-140580. doi:10.1002/amp2.10011

2018

  • Baddour F., L.J. Snowden-Swan, J.D. Super, and K.M. Van Allsburg. 2018. "Estimating Precommercial Heterogeneous Catalyst Price: A Simple Step-Based Method." Organic Process Research & Development 22, no. 12:1599-1605. PNNL-SA-138696. doi:10.1021/acs.oprd.8b00245
  • Weber R.S., J.E. Holladay, C. Jenks, E.A. Panisko, L.J. Snowden-Swan, M. Ramirez-Corresdores, and B. Baynes, et al. 2018. "Modularized production of fuels and other value-added products from distributed, wasted, or stranded feedstocks." Wiley Interdisciplinary Reviews: Energy and Environment 7, no. 6:e308. PNNL-SA-131136. doi:10.1002/wene.308

2017

2016

  • Jones S.B., L.J. Snowden-Swan, P.A. Meyer, A.H. Zacher, M.V. Olarte, H. Wang, and C. Drennan. 2016. Fast Pyrolysis and Hydrotreating: 2015 State of Technology R&D and Projections to 2017. PNNL-25312. Richland, WA: Pacific Northwest National Laboratory. Fast Pyrolysis and Hydrotreating: 2015 State of Technology R&D and Projections to 2017
  • Meyer P.A., L.J. Snowden-Swan, K.G. Rappe, S.B. Jones, T. Westover, and K.G. Cafferty. 2016. "Field-to-Fuel Performance Testing of Lignocellulosic Feedstocks for Fast Pyrolysis and Upgrading: Techno-economic Analysis and Greenhouse Gas Life Cycle Analysis." Energy and Fuels 30, no. 11:9427-9439. PNNL-SA-116938. doi:10.1021/acs.energyfuels.6b01643
  • Snowden-Swan L.J., K.A. Spies, G.J. Lee, and Y. Zhu. 2016. "Life cycle greenhouse gas emissions analysis of catalysts for hydrotreating of fast pyrolysis bio-oil." Biomass & Bioenergy 86. PNNL-SA-110176. doi:10.1016/j.biombioe.2016.01.019
  • Snowden-Swan L.J., Y. Zhu, S.B. Jones, D.C. Elliott, A.J. Schmidt, R.T. Hallen, and J.M. Billing, et al. 2016. Hydrothermal Liquefaction and Upgrading of Municipal Wastewater Treatment Plant Sludge: A Preliminary Techno-Economic Analysis. PNNL-25464. Richland, WA: Pacific Northwest National Laboratory. Hydrothermal Liquefaction and Upgrading of Municipal Wastewater Treatment Plant Sludge: A Preliminary Techno-Economic Analysis
  • Snowden-Swan L.J., Y. Zhu, S.B. Jones, D.C. Elliott, A.J. Schmidt, R.T. Hallen, and J.M. Billing, et al. 2016. Hydrothermal Liquefaction and Upgrading of Municipal Wastewater Treatment Plant Sludge: A Preliminary Techno-Economic Analysis Rev.1. PNNL-25464 Rev. 1. Richland, WA: Pacific Northwest National Laboratory. Hydrothermal Liquefaction and Upgrading of Municipal Wastewater Treatment Plant Sludge: A Preliminary Techno-Economic Analysis Rev.1
  • 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
  • Tan E., M. Talmadge, A. Dutta, J. Hensley, L.J. Snowden-Swan, D. Humbird, and J. Schaidle, et al. 2016. "Conceptual process design and economics for the production of high-octane gasoline blendstock via indirect liquefaction of biomass through methanol/dimethyl ether intermediates." Biofuels, Bioproducts & Biorefining 10, no. 1:17-35. PNNL-SA-113776. doi:10.1002/bbb.1611

2015

2014

2013

2012

2011

2010

Energy and Environment

Core Research Areas

Contacts