Lesley Snowden-Swan

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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 Publications

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

2018

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

Snowden-Swan L.J., Y. Zhu, M.D. Bearden, T.E. Seiple, S.B. Jones, A.J. Schmidt, and J.M. Billing, et al. 2017. Conceptual Biorefinery Design and Research Targeted for 2022: Hydrothermal Liquefacation Processing of Wet Waste to Fuels. PNNL-27186. Richland, WA: Pacific Northwest National Laboratory. Conceptual Biorefinery Design and Research Targeted for 2022: Hydrothermal Liquefacation Processing of Wet Waste to Fuels

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

Jones S.B., L.J. Snowden-Swan, P.A. Meyer, A.H. Zacher, M.V. Olarte, and C. Drennan. 2015. Fast Pyrolysis and Hydrotreating: 2014 State of Technology R&D and Projections to 2017. PNNL-24176. Richland, WA: Pacific Northwest National Laboratory. Fast Pyrolysis and Hydrotreating: 2014 State of Technology R&D and Projections to 2017
Tan E., M. Talmadge, A. Dutta, J. Hensley, J. Schaidle, M.J. Biddy, and D. Humbird, et al. 2015. Process Design and Economics for the Conversion of Lignocellulosic Biomass to High Octane Gasoline: Thermochemical Research Pathway with Indirect Gasification and Methanol Intermediate. PNNL-23822. Richland, WA: Pacific Northwest National Laboratory. Process Design and Economics for the Conversion of Lignocellulosic Biomass to High Octane Gasoline: Thermochemical Research Pathway with Indirect Gasification and Methanol Intermediate

2014

Boardman R.D., K.G. Cafferty, C. Nichol, E.M. Searcy, T. Westover, R. Wood, and M.D. Bearden, et al. 2014. Logistics, Costs, and GHG Impacts of Utility Scale Cofiring with 20% Biomass. PNNL-23492. Richland, WA: Pacific Northwest National Laboratory. Logistics, Costs, and GHG Impacts of Utility Scale Cofiring with 20% Biomass
Dutta A., A.H. Sahir, E. Tan, D. Humbird, L.J. Snowden-Swan, P.A. Meyer, and J. Ross, et al. 2014. Process Design and Economics for the Conversion of Lignocellulosic Biomass to Hydrocarbon Fuels: Thermochemical Research Pathways with In Situ and Ex Situ Upgrading of Fast Pyrolysis Vapors. PNNL-23823. Richland, WA: Pacific Northwest National Laboratory. Process Design and Economics for the Conversion of Lignocellulosic Biomass to Hydrocarbon Fuels: Thermochemical Research Pathways with In Situ and Ex Situ Upgrading of Fast Pyrolysis Vapors
Jones S.B., L.J. Snowden-Swan, P.A. Meyer, A.H. Zacher, M.V. Olarte, and C. Drennan. 2014. Fast Pyrolysis and Hydrotreating 2013 State of Technology R&D and Projections to 2017. PNNL-23294. Richland, WA: Pacific Northwest National Laboratory. Fast Pyrolysis and Hydrotreating 2013 State of Technology R&D and Projections to 2017
Jones S.B., Y. Zhu, D.B. Anderson, R.T. Hallen, D.C. Elliott, A.J. Schmidt, and K.O. Albrecht, et al. 2014. Process Design and Economics for the Conversion of Algal Biomass to Hydrocarbons: Whole Algae Hydrothermal Liquefaction and Upgrading. PNNL-23227. Richland, WA: Pacific Northwest National Laboratory. Process Design and Economics for the Conversion of Algal Biomass to Hydrocarbons: Whole Algae Hydrothermal Liquefaction and Upgrading
Jones S.B., Y. Zhu, L.J. Snowden-Swan, D. Anderson, R.T. Hallen, A.J. Schmidt, and K.O. Albrecht, et al. 2014. Whole Algae Hydrothermal Liquefaction: 2014 State of Technology. PNNL-23867. Richland, WA: Pacific Northwest National Laboratory. Whole Algae Hydrothermal Liquefaction: 2014 State of Technology
Tews I.J., Y. Zhu, C. Drennan, D.C. Elliott, L.J. Snowden-Swan, K. Onarheim, and Y. Solantausta, et al. 2014. Biomass Direct Liquefaction Options: TechnoEconomic and Life Cycle Assessment. PNNL-23579. Richland, WA: Pacific Northwest National Laboratory. Biomass Direct Liquefaction Options: TechnoEconomic and Life Cycle Assessment

2013

Jones S.B., and L.J. Snowden-Swan. 2013. Production of Gasoline and Diesel from Biomass via Fast Pyrolysis, Hydrotreating and Hydrocracking: 2012 State of Technology and Projections to 2017. PNNL-22684. Richland, WA: Pacific Northwest National Laboratory. Production of Gasoline and Diesel from Biomass via Fast Pyrolysis, Hydrotreating and Hydrocracking: 2012 State of Technology and Projections to 2017
Jones S.B., P.A. Meyer, L.J. Snowden-Swan, A.B. Padmaperuma, E. Tan, A. Dutta, and J. Jacobson, et al. 2013. Process Design and Economics for the Conversion of Lignocellulosic Biomass to Hydrocarbon Fuels: Fast Pyrolysis and Hydrotreating Bio-Oil Pathway. PNNL-23053; NREL/TP-5100-61178. Richland, WA: Pacific Northwest National Laboratory. Process Design and Economics for the Conversion of Lignocellulosic Biomass to Hydrocarbon Fuels: Fast Pyrolysis and Hydrotreating Bio-Oil Pathway
Tuenge J.R., B. Hollomon, H.E. Dillon, and L.J. Snowden-Swan. 2013. Life-Cycle Assessment of Energy and Environmental Impacts of LED Lighting Products, Part 3: LED Environmental Testing. PNNL-22346. Richland, WA: Pacific Northwest National Laboratory. Life-Cycle Assessment of Energy and Environmental Impacts of LED Lighting Products, Part 3: LED Environmental Testing

2012

Snowden-Swan L.J., and J.L. Male. 2012. Summary of Fast Pyrolysis and Upgrading GHG Analyses. PNNL-22175. Richland, WA: Pacific Northwest National Laboratory. Summary of Fast Pyrolysis and Upgrading GHG Analyses

2011

Zhu Y., S.A. Tjokro Rahardjo, C. Valkenburt, L.J. Snowden-Swan, S.B. Jones, and M.A. Machinal. 2011. Techno-economic Analysis for the Thermochemical Conversion of Biomass to Liquid Fuels. PNNL-19009. Richland, WA: Pacific Northwest National Laboratory. Techno-economic Analysis for the Thermochemical Conversion of Biomass to Liquid Fuels

2010

Butner R.S., L.J. Snowden-Swan, and P.C. Ellis. 2010. Tethys: The Marine and Hydrokinetic Technology Environmental Impacts Knowledge Management System -- Requirements Specification -- Version 1.0. PNNL-19974. Richland, WA: Pacific Northwest National Laboratory. Tethys: The Marine and Hydrokinetic Technology Environmental Impacts Knowledge Management System -- Requirements Specification -- Version 1.0
Roesijadi G., S.B. Jones, L.J. Snowden-Swan, and Y. Zhu. 2010. Macroalgae as a Biomass Feedstock: A Preliminary Analysis. PNNL-19944. Richland, WA: Pacific Northwest National Laboratory. Macroalgae as a Biomass Feedstock: A Preliminary Analysis