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Energy and Environment Directorate

Richard Zheng

Richard Zheng

Pacific Northwest National Laboratory
Portland Office
Portland, OR 97204
(509) 375-3604


Richard Zheng initially joined the Laboratory as a postdoctoral research associate in 2001. In 2002, he accepted the staff position of research scientist. Dr. Zheng’s main research area is functional nanostructured materials for applications such as gas sorbents, sensors, and catalysis.

Education and Credentials

  • Ph.D., Chemical Engineering, University of Washington, 2001
  • M.S., Chemical Engineering, Tianjin University, 1995
  • B.S., Organic Chemical Technology, Tianjin University, 1992

PNNL Patents

PNNL Publications


  • Barpaga D., Y. Jiang, R.F. Zheng, D. Malhotra, P.K. Koech, A. Zwoster, and P.M. Mathias, et al. 2022. "Evaluation of a third Generation Single-Component Water-Lean Diamine Solvent for Post-Combustion CO2 Capture." ACS Sustainable Chemistry & Engineering 10, no. 14:4522-4528. PNNL-SA-168249. doi:10.1021/acssuschemeng.1c08401
  • Fu Y., J. Bao, R.K. Singh, R.F. Zheng, C. Anderson-Cook, S. Bhat, and Z. Xu. 2022. "The Influence of Random Packed Column Parameters on the Liquid holdup and Interfacial Area." AIChE Journal 68, no. 8:e17691. PNNL-SA-160943. doi:10.1002/aic.17691


  • 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


  • Cantu Cantu D., D. Malhotra, M. Nguyen, P.K. Koech, D. Zhang, V. Glezakou, and R.J. Rousseau, et al. 2020. "Molecular-Level Overhaul of y-Aminopropyl Aminosilicone/Triethylene Glycol Post-Combustion CO2-Capture Solvents." ChemSusChem 13, no. 13:3429-3438. PNNL-SA-152126. doi:10.1002/cssc.202000724
  • Fu Y., J. Bao, C. Wang, R.K. Singh, D. Barpaga, R.F. Zheng, and Z. Xu, et al. 2020. Absorber Column CFD model validation against PNNL's device-scale absorber column on the LCFS unit. PNNL-29828. Richland, WA: Pacific Northwest National Laboratory. Absorber Column CFD model validation against PNNL's device-scale absorber column on the LCFS unit
  • 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



  • Cantu Cantu D., D. Malhotra, P.K. Koech, D.J. Heldebrant, F. Zheng, C.J. Freeman, and R.J. Rousseau, et al. 2017. "Integrated Solvent Design for CO2 Capture and Viscosity Tuning." Energy Procedia 114. PNNL-SA-121494. doi:10.1016/j.egypro.2017.03.1215
  • 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
  • Malhotra D., P.K. Koech, D.J. Heldebrant, D. Cantu Cantu, F. Zheng, V. Glezakou, and R.J. Rousseau. 2017. "Reinventing design principles for developing low-viscosity carbon dioxide-binding organic liquids for flue gas clean up." ChemSusChem 10, no. 3:636-642. PNNL-SA-121959. doi:10.1002/cssc.201601622
  • 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


  • Cantu Cantu D., D. Malhotra, P.K. Koech, D.J. Heldebrant, F. Zheng, C.J. Freeman, and R.J. Rousseau, et al. 2016. "Structure-Property Reduced Order Model for Viscosity Prediction in Single-Component CO2- Binding Organic Liquids." Green Chemistry 18, no. 22:10.1039/C6GC02203K. PNNL-SA-119405. doi:10.1039/c6gc02203k
  • Zheng F., D.J. Heldebrant, P.M. Mathias, P.K. Koech, M. Bhakta, C.J. Freeman, and M.D. Bearden, et al. 2016. "Bench-Scale Testing and Process Performance Projections of CO2 Capture by CO2-Binding Organic Liquids (CO2BOLs) With and Without Polarity-Swing-Assisted Regeneration." Energy and Fuels 30, no. 2:1192-1203. PNNL-SA-113072. doi:10.1021/acs.energyfuels.5b02437


  • Fernandez C.A., S.K. Nune, H.V. Annapureddy, L.X. Dang, B.P. McGrail, F. Zheng, and E. Polikarpov, et al. 2015. "Hydrophobic and moisture-stable metal-organic frameworks." Dalton Transactions 44, no. 30:13490 - 13497. PNNL-SA-106696. doi:10.1039/C5DT00606F
  • 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
  • Zheng F., R. Diver, D.D. Caldwell, B.G. Fritz, R.J. Cameron, P.H. Humble, and W.E. TeGrotenhuis, et al. 2015. "Integrated solar thermochemical reaction system for steam methane reforming." Energy Procedia 69. PNNL-SA-104155. doi:10.1016/j.egypro.2015.03.204


  • Heldebrant D.J., V.A. Glezakou, P.K. Koech, P.M. Mathias, D. Cantu Cantu, R.J. Rousseau, and D. Malhotra, et al. 2014. "Evaluating transformational solvent systems for post-combustion CO2 separations." Energy Procedia 63. PNNL-SA-115535. doi:10.1016/j.egypro.2015.12.336
  • Liu W., F. Zheng, J. Li, and A.R. Cooper. 2014. "An Ionic Liquid Reaction and Separation Process for Production of Hydroxymethylfurfural from Sugars." AIChE Journal 60, no. 1:300-314. PNNL-SA-88017. doi:10.1002/aic.14289


  • Mathias P.M., K. Afshar, F. Zheng, M.D. Bearden, C.J. Freeman, T. Andrea, and P.K. Koech, et al. 2013. "Improving the Regeneration of CO2-Binding Organic Liquids with a Polarity Change." Energy and Environmental Science 6, no. 7:2233-2242. PNNL-SA-94359. doi:10.1039/C3EE41016A
  • Xing R., Y. Rao, W.E. TeGrotenhuis, N.L. Canfield, F. Zheng, D.W. Winiarski, and W. Liu. 2013. "Advanced Thin Zeolite/Metal Flat Sheet Membrane for Energy Efficient Air Dehumidification and Conditioning." Chemical Engineering Science 104. PNNL-SA-86852. doi:10.1016/j.ces.2013.08.061
  • Zhang J., I.V. Kutnyakov, P.K. Koech, A. Zwoster, C.J. Howard, F. Zheng, and C.J. Freeman, et al. 2013. "CO2-Binding-Organic-Liquids-Enhanced CO2 Capture using Polarity-Swing-Assisted Regeneration." Energy Procedia 37. PNNL-SA-91349. doi:10.1016/j.egypro.2013.05.113


  • Heldebrant D.J., P.K. Koech, J.E. Rainbolt, and F. Zheng. 2011. "CO2-Binding Organic Liquids, an Integrated Acid Gas Capture System." Energy Procedia 4. PNNL-SA-74727. doi:10.1016/j.egypro.2011.01.044
  • Heldebrant D.J., P.K. Koech, J.E. Rainbolt, F. Zheng, T.D. Smurthwaite, C.J. Freeman, and M. Oss, et al. 2011. "Performance of Single-Component CO2-Binding Organic Liquids (CO2BOLs) For Post Combustion CO2 Capture." Chemical Engineering Journal 171, no. 3:794-800. PNNL-SA-73185. doi:10.1016/j.cej.2011.02.012
  • Koech P.K., J.E. Rainbolt, M.D. Bearden, F. Zheng, and D.J. Heldebrant. 2011. "Chemically Selective Gas Sweetening Without Thermal-Swing Regeneration." Energy & Environmental Science 4, no. 4:1385-1390. PNWD-SA-9236. doi:10.1039/c0ee00839g


  • Heldebrant D.J., P.K. Koech, C.R. Yonker, J.E. Rainbolt, and F. Zheng. 2010. "Reversible Acid Gas Capture Using CO2-Binding Organic Liquids." In Preprints of Symposia - American Chemical Society Fuel Chemistry Division, 55, 81-82. Washington Dc:American Chemical Society. PNNL-SA-69452.
  • Heldebrant D.J., P.K. Koech, J.E. Rainbolt, and F. Zheng. 2010. "Acid Gas Capture Using CO2-Binding Organic Liquids." In Proceedings of the 2010 Annual Meeting of the AIChE, November 7-12, 2010, Salt Lake City, Utah, Paper No. 334d. New York:American Institute of Chemical Engineers. PNNL-SA-65561.
  • Koech P.K., D.J. Heldebrant, J.E. Rainbolt, F. Zheng, and T.D. Smurthwaite. 2010. "Synthesis, characterization and performance of single-component CO2-binding organic liquids (CO2BOL) for post combustion CO2 capture." In Preprints of Symposia, American Chemical Society. Division of Fuel Chemistry, August 22-26, 2010, Boston, MA, 55, 553-554. Washington Dc:American Chemical Society. PNNL-SA-71880.



  • Heldebrant D.J., A.J. Karkamkar, N.J. Hess, M.E. Bowden, S.D. Rassat, F. Zheng, and K.G. Rappe, et al. 2008. "The Effects of Chemical Additives on the Induction Phase in Solid-State Thermal Decomposition of Ammonia Borane." Chemistry of Materials 20, no. 16:5332-5336. PNNL-SA-60433. doi:10.1021/cm801253u
  • Huang X., D.A. King, F. Zheng, V.S. Stenkamp, W.E. TeGrotenhuis, B.Q. Roberts, and D.L. King. 2008. "Hydrodesulfurization of JP-8 Fuel and its Microchannel Distillate Using Steam Reformate." Catalysis Today 136, no. 3-4:291-300. PNWD-SA-8059. doi:10.1016/j.cattod.2008.01.011
  • Zheng F., S.D. Rassat, D.J. Heldebrant, D.D. Caldwell, C.L. Aardahl, T. Autrey, and J.C. Linehan, et al. 2008. "Automated gas burette system for evolved hydrogen measurements." Review of Scientific Instruments 79, no. 8:Article no: 084103. PNNL-SA-60596. doi:10.1063/1.2968715


  • Fryxell G.E., S.V. Mattigod, Y. Lin, H. Wu, S.K. Fiskum, K.E. Parker, and F. Zheng, et al. 2007. "Design and Synthesis of Self-Assembled Monolayers on Mesoporous Supports (SAMMS): The Importance of Ligand Posture in Functional Nanomaterials." Journal of Materials Chemistry 17. PNNL-SA-54650. doi:10.1039/b702422c
  • Heldebrant D.J., J.C. Linehan, D.M. Camaioni, S.D. Rassat, F. Zheng, and T. Autrey. 2007. "EFFECT OF ADDITIVES ON THE THERMOLYSIS OF AMMONIA BORANE." In 234th American Chemical Society Conference Proceedings - Reprints of Symposia - Division of Fuel Chemistry., 52, 563-564. Washington Dc:American Chemical Society. PNNL-SA-55182.
  • Zheng F., R.S. Addleman, C.L. Aardahl, G.E. Fryxell, D.R. Brown, and T.S. Zemanian. 2007. "Amine Functionalized Nanoporous Materials for Carbon Dioxide Capture." In Environmental Applications of Nanomaterials: Synthesis, Sorbents and Sensors, edited by Glen E. Fryxell and Guozhong Cao. 285-312. London:Imperial College Press. PNNL-SA-50728.


  • Zheng F., D.L. Baldwin, L.S. Fifield, N.C. Anheier, C.L. Aardahl, and J.W. Grate. 2006. "Single-Walled Carbon Nanotube Paper as a Sorbent for Organic Vapor Preconcentration." Analytical Chemistry 78, no. 7:2442-2446. PNNL-SA-45755.
  • Zheng F., V.S. Stenkamp, W.E. TeGrotenhuis, X. Huang, and D.L. King. 2006. "Microchannel Distillation of JP-8 Jet Fuel for Sulfur Content Reduction." In 2006 American Institute of Chemical Engineers Annual Meeting, November 12-17, San Francisco, California. New York, New York:AIChE. PNNL-SA-51796.


  • Zheng F., D.N. Tran, B.J. Busche, G.E. Fryxell, R.S. Addleman, T.S. Zemanian, and C.L. Aardahl. 2005. "Ethylenediamine-modified SBA-15 as Regenerable CO2 Sorbent." Industrial and Engineering Chemistry Research 44, no. 9:3099-3105. PNNL-SA-41861. doi:10.1021/ie049488t


  • Zhan C., F. Zheng, and D.A. Dixon. 2003. "Theoretical Studies of Photoelectron Spectra of SO42-(H2O)n Clusters and the Extrapolation to Bulk Solution." Journal of Chemical Physics 119, no. 2:781-793.


  • Zhan C., F. Zheng, and D.A. Dixon. 2002. "Electron Affinities of Aln Clusters and Multi-Fold Aromaticity of the Square Al42- Structure." Journal of the American Chemical Society 124, no. 49:14795-14803. PNNL-SA-36840.
  • Zheng F., L. Liang, Y. Gao, J.H. Sukamto, and C.L. Aardahl. 2002. "Carbon Nanotube Synthesis Using Mesoporous Silica Templates." Nano Letters 2, no. 7:729-732. PNNL-SA-36506.

Energy and Environment

Core Research Areas