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Chemical and Biological Process Development

Todd Hart

Todd Hart

Pacific Northwest National Laboratory
PO Box 999
Richland, WA 99352

Biography

Todd Hart has more than 20 years experience in the research field. His work has mainly been directed toward developing a diverse technical expertise in analytical equipment and process controls. Mr. Hart has developed many unique methods for IC, GC, GC/MS/IR, ICP-OES, TGA/IR and TGA/MS analysis of samples ranging from bio-agriculture chemicals to Hanford tank wastes. His experience includes handling and processing, biomass, and wastes primarily in high-pressure batch and continuous-flow processing reactor systems and their design. This research has also involved an extensive study of catalysis systems. Mr. Hart has been named on two patents, and on the 1999 Presidential Green Chemistry Challenge Award, Economic Conservation of Cellulosic Biomass to Chemicals.

PNNL Patents

PNNL Publications

2017

  • Elliott D.C., A.J. Schmidt, T.R. Hart, and J.M. Billing. 2017. "Conversion of a wet waste feedstock to biocrude by hydrothermal processing in a continuous-flow reactor: grape pomace." Biomass Conversion and Biorefinery 7, no. 4:455-465. PNNL-SA-121004. doi:10.1007/s13399-017-0264-8
  • Marrone P.A., D.C. Elliott, J.M. Billing, R.T. Hallen, T.R. Hart, P. Kadota, and J.C. Moeller, et al. 2017. "Bench-Scale Evaluation of the Genifuel Hydrothermal Processing Technology for Wastewater Solids." In Proceedings of the Water Environment Federation, (WEFTEC 2017), September 30 - October 4, 2017, Chicago, Illinois, 3032-3061. Alexandria, Virginia:Water Environment Federation. PNNL-SA-127937. doi:10.2175/193864717822157702
  • 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.

2016

  • Albrecht K.O., Y. Zhu, A.J. Schmidt, J.M. Billing, T.R. Hart, S.B. Jones, and G.D. Maupin, et al. 2016. "Impact of Heterotrophically Stressed Algae for Biofuel Production via Hydrothermal Liquefaction and Catalytic Hydrotreating in Continuous-Flow Reactors." Algal Research 14. PNNL-SA-112594. doi:10.1016/j.algal.2015.12.008
  • 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.
  • 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.

2015

  • Elliott D.C., M.V. Olarte, and T.R. Hart. 2015. Pilot-Scale Biorefinery: Sustainable Transport Fuels from Biomass via Integrated Pyrolysis and Catalytic Hydroconversion - Wastewater Cleanup by Catalytic Hydrothermal Gasification. PNNL-24386. Richland, WA: Pacific Northwest National Laboratory.

2014

  • Elliott D.C., T.R. Hart, G.G. Neuenschwander, L.J. Rotness, G. Roesijadi, A.H. Zacher, and J.K. Magnuson. 2014. "Hydrothermal Processing of Macroalgal Feedstocks in Continuous-Flow Reactors." ACS Sustainable Chemistry & Engineering 2, no. 2:207-215. PNNL-SA-97137. doi:10.1021/sc400251p
  • 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.

2013

  • Albrecht K.O., V.A. Glezakou, R.J. Rousseau, M.H. Engelhard, T. Varga, R.J. Colby, and J.E. Jaffe, et al. 2013. Rh-Based Mixed Alcohol Synthesis Catalysts: Characterization and Computational Report. PNNL-22697. Richland, WA: Pacific Northwest National Laboratory.
  • Elliott D.C., G.G. Neuenschwander, and T.R. Hart. 2013. "Hydroprocessing Bio-oil and Products Separation for Coke Production." ACS Sustainable Chemistry & Engineering 1, no. 4:389-392. PNNL-SA-90965. doi:10.1021/sc300103y
  • Elliott D.C., T.R. Hart, A.J. Schmidt, G.G. Neuenschwander, L.J. Rotness, M.V. Olarte, and A.H. Zacher, et al. 2013. "Process Development for Hydrothermal Liquefaction of Algae Feedstocks in a Continuous-Flow Reactor." Algal Research 2, no. 4:445-454. PNNL-SA-96121.

2012

  • Elliott D.C., S. Lee, and T.R. Hart. 2012. Stabilization of Fast Pyrolysis Oil: Post Processing Final Report. PNNL-21549. Richland, WA: Pacific Northwest National Laboratory.
  • Elliott D.C., T.R. Hart, G.G. Neuenschwander, L.J. Rotness, M.V. Olarte, A.H. Zacher, and Y. Solantausta. 2012. "Catalytic Hydroprocessing of Fast Pyrolysis Bio-oil from Pine Sawdust." Energy and Fuels 26, no. 6:3891-3896. PNNL-SA-86336. doi:10.1021/ef3004587
  • Elliott D.C., T.R. Hart, G.G. Neuenschwander, L.J. Rotness, M.V. Olarte, and A.H. Zacher. 2012. "Chemical Processing in High-Pressure Aqueous Environments. 9. Process Development for Catalytic Gasification of Algae Feedstocks." Industrial and Engineering Chemistry Research 51, no. 33:10768-10777. PNNL-SA-87140. doi:10.1021/ie300933w

2010

  • Elliott D.C., G.G. Neuenschwander, T.R. Hart, L.J. Rotness, A.H. Zacher, K.A. Fjare, and B.C. Dunn, et al. 2010. Hydrothermal Liquefaction of Agricultural and Biorefinery Residues Final Report - CRADA #PNNL/277. PNNL-19453. Richland, WA: Pacific Northwest National Laboratory.

2009

  • Elliott D.C., and T.R. Hart. 2009. "Catalytic Hydroprocessing of Chemical Models for Bio-oil." Energy and Fuels 23, no. 2:631-637. PNNL-SA-62416. doi:10.1021/ef8007773
  • Elliott D.C., G.G. Neuenschwander, T.R. Hart, L.J. Rotness, A.H. Zacher, D.M. Santosa, and C. Valkenburt, et al. 2009. Catalytic Hydrothermal Gasification of Lignin-Rich Biorefinery Residues and Algae Final Report. PNNL-18944. Richland, WA: Pacific Northwest National Laboratory.
  • Elliott D.C., T.R. Hart, G.G. Neuenschwander, L.J. Rotness, and A.H. Zacher. 2009. "Catalytic Hydroprocessing of Biomass Fast Pyrolysis Bio-oil to Produce Hydrocarbon Products." Environmental Progress & Sustainable Energy 28, no. 3:441-449. PNNL-SA-66812.

2008

  • Disselkamp R.S., B.D. Harris, and T.R. Hart. 2008. "Hydroxy acetone and lactic acid synthesis from aqueous propylene glycol/hydrogen peroxide catalysis on Pd-black." Catalysis Communications 9, no. 13:2250-2252. PNNL-SA-59391. doi:10.1016/j.catcom.2008.05.005
  • Disselkamp R.S., B.D. Harris, J.N. Patel, T.R. Hart, and C.H. Peden. 2008. "Propanal synthesis from aqueous propylene glycol/hydrogen peroxide on a Ru/alumina catalyst." Inorganic Chemistry Communications 11, no. 5:561-563. PNNL-SA-58197. doi:doi:10.1016/j.inoche.2008.01.024
  • Elliott D.C., T.R. Hart, and G.G. Neuenschwander. 2008. "CATALYTIC HYDROTHERMAL GASIFICATION OF BIOMASS FOR THE PRODUCTION OF HYDROGEN-CONTAINING FEEDSTOCK (METHANE)." In Petroleum Preprints: Papers Presented at the 235th ACS National Meeting in New Orleans, Louisiana, April 6-10, 2008., 53, 73-74. Washington Dc:Division of Petroleum Chemistry, American Chemical Society. PNNL-SA-58451.

2006

  • Disselkamp R.S., K.M. Denslow, T.R. Hart, and C.H. Peden. 2006. "Non-equilibrium Effects in the Hydrogenation-mediated Isomerization Mechanism of Olefins during Cavitating Ultrasound Processing." Catalysis Communications 7, no. 6:348-350. PNNL-SA-45075. doi:10.1016/j.catcom.2005.10.021
  • Disselkamp R.S., S.M. Chajkowski, K.R. Boyles, T.R. Hart, and C.H. Peden. 2006. "Cavitating ultrasound hydrogenation of water-soluble olefins employing inert dopants: Studies of activity, selectivity and reaction mechanisms." In Catalysis of Organic Reactions: Proceedings of the 21st Conference, edited by SR Schmidt, 115, 213-226. Boca Raton, Florida:CRC Press. PNNL-SA-48032.
  • Elliott D.C., G.G. Neuenschwander, T.R. Hart, J. Hu, A.E. Solana, and C. Cao. 2006. "Hydrogenation of Bio-oil for Chemicals and Fuels Production." In Science in Thermal and Chemical Biomass Conversion, edited by AV Bridgwater and DGB Boocock, 2, 1536-1546. Speen:CPL Press. PNNL-SA-41416.
  • Elliott D.C., T.R. Hart, and G.G. Neuenschwander. 2006. "Chemical Processing in High-Pressure Aqueous Environments. 8. Improved Catalysts for Hydrothermal Gasification." Industrial and Engineering Chemistry Research 45, no. 11:3776-81. PNNL-SA-47991.
  • Yadav N.N., S. Maheswaran, V. Shutthanandan, S. Thevuthasan, T.R. Hart, H. Ngo, and S. Vigneswaran. 2006. "Comparison of Analytical Techniques for Analysis of Arsenic Adsorbed on Carbon." Water Quality Research Journal of Canada 41, no. 2:185-189. PNNL-SA-45520.

2005

  • Disselkamp R.S., K.M. Denslow, T.R. Hart, J.F. White, and C.H. Peden. 2005. "The Effect of Cavitating Ultrasound on the Aqueous Phase Hydrogenation of Cis-2-buten-1-ol and Cis-2-penten-1-ol on Pd-black." Applied Catalysis. A, General 288, no. 1-2:62-66. PNNL-SA-44332.
  • Disselkamp R.S., K.M. Denslow, T.R. Hart, J.F. White, and C.H. Peden. 2005. "The effect of cavitating ultrasound on the aqueous phase hydrogenation of cis-2-buten-1-ol and cis-2-penten-1-ol on Pd-black." Applied Catalysis. A, General 288, no. 1-2:62-66. PNNL-SA-48783. doi:10.1016/j.apcata.2005.04.040
  • Disselkamp R.S., T.R. Hart, A.M. Williams, J.F. White, and C.H. Peden. 2005. "Ultrasound-Assisted Hydrogenation of Cinnamaldehyde." Ultrasonics Sonochemistry 12, no. 4:319-324. PNNL-SA-39027.
  • Hallen R.T., J.G. Geeting, M.A. Lilga, T.R. Hart, and F.V. Hoopes. 2005. "Assessment of the Mechanisms for Sr-90 and Tru Removal from Complexant-Containing Tank Wastes at Hanford." Separation Science and Technology 40, no. 1-3:171-183. PNWD-SA-6239.

2004

  • Disselkamp R.S., K.M. Judd, T.R. Hart, C.H. Peden, G.J. Posakony, and L.J. Bond. 2004. "A Comparison Between Conventional and Ultrasound-Mediated Heterogeneous Catalysis: Hydrogenation of 3-buten-1-ol Aqueous Solutions." Journal of Catalysis 221, no. 2:347-353. PNNL-SA-38516.
  • Elliott D.C., G.G. Neuenschwander, T.R. Hart, and R.S. Butner. 2004. "Low-Temperature Catalytic Gasification of Wet Biomass Residues." In Second World Biomass Conference, Biomass for Energy, Industry, and Climate Protection, edited by Van Swaaij, W.P.M. et al., I, 746-749. Florence:ETA-Florence and WIP-Munich. PNNL-SA-40940.
  • Elliott D.C., G.G. Neuenschwander, T.R. Hart, R.S. Butner, A.H. Zacher, M.H. Engelhard, and J.S. Young, et al. 2004. "Chemical Processing in High-Pressure Aqueous Environments. 7. Process Development for Catalytic Gasification of Wet Biomass Feedstocks." Industrial and Engineering Chemistry Research 43, no. 9:1999-2004. PNNL-SA-40279.
  • Elliott D.C., K.L. Peterson, D.S. Muzatko, E.V. Alderson, T.R. Hart, and G.G. Neuenschwander. 2004. "The Effects of Trace Contaminants on Catalytic Processing of Biomass-Derived Feedstocks." Applied Biochemistry and Biotechnology 115, no. 1-3:807-825. PNNL-SA-39016.
  • Kamolpornwijit W., L. Liang, G. Moline, T.R. Hart, and O. West. 2004. "Identification and Quantification of Mineral Precipitation in Fe 0 Filings From a Column Study." Environmental Science & Technology 38, no. 21:5757-5765. PNNL-SA-40171.

2003

  • Elliott D.C., G.G. Neuenschwander, T.R. Hart, A.H. Zacher, and R.S. Butner. 2003. "Low-Temperature Catalytic Gasification of Wet Biomass." In AIChE 2003 Annual Meeting Conference Proceedings, n/a. New York, New York:AIChE. PNNL-SA-39410.

1999

  • Elliott D.C., G.G. Neuenschwander, M.R. Phelps, T.R. Hart, A.H. Zacher, and L.J. Silva. 1999. "Chemical Processing in High-Pressure Aqueous Environments. 6. Demonstration of Catalytic Gasification for Chemical Manufacturing Wastewater Cleanup in Industrial Plants." Industrial and Engineering Chemistry Research 38, no. 3:879-883. PNNL-SA-31604.

Chemical and Biological Process Development

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