Stability of Solid Catalysts in Hot Liquid Water


  • Understanding the pathways of catalyst deactivation in hot liquid water
  • Elucidating the influence of biomass-derived feedstocks on the stability of solid catalysts
  • Improving the hydrothermal stability of solid catalysts using protective coatings and additives



  • Kinetic studies on transformations of solid catalysts in hot water and solutions of oxygenates
  • Physicochemical characterization (N2 physisorption, XRD, TEM, SEM, IR, NMR, XPS, titration)
  • Development of synthesis techniques for improving hydrothermal stability
  • Performance studies with stabilized catalysts



  1. Van Cleve, T., Underhill, D., Veiga Rodrigues, M., Sievers, C., Medlin, J.W. “Enhanced Hydrothermal Stability of γ-Al2O3 Catalyst Supports with Alkyl Phosphonate Coatings” Langmuir 34 (2018) 3619–3625.
  2. Liu, F., Okolie, C., Ravenelle, R.M., Crittenden, J.C., Sievers, C., Bruijnincx, P.C.A., Weckhuysen, B.M. “Improved hydrothermal stability of the alumina support in glycerol aqueous phase reforming by surface silica deposition” Catal. A-Gen. 551 (2018) 13-22.
  3. Sievers, C., Noda, Y., Long, Q., Albuquerque, E.M., Rioux, R.M., Scott, S.L. “Phenomena Affecting Catalytic Reactions at Solid-Liquid Interfaces” ACS Catalysis 6 (2016) 8286-8307.
  4. Van Pelt, A.H., Simakova, O.A., Schimming, S.M., Ewbank, J.L., Pidko, E.A., Hensen, E.J.M., Sievers, C. “Stability of Functionalized Activated Carbon in Hot Liquid Water” Carbon 77 (2014) 143-154.
  5. Hahn, M.W., Copeland, J.R., Van Pelt, A.H., Sievers, C. “Stability of Amorphous Silica-Alumina in Hot Liquid Water” ChemSusChem 6 (2013) 2304 – 2315.
  6. Jongerius, A.L., Copeland, J.R., Foo, G.S., Hofmann, J.P., Bruijnincx, P.C.A., Sievers, C., Weckhuysen, B.M. “Stability of Pt/γ-Al2O3 Catalysts in Lignin and Lignin Model Compound Solutions under Liquid Phase Reforming Reaction Conditions” ACS Catalysis 3 (2013) 464−473.
  7. Ravenelle, R.M., Copeland, J.R., Van Pelt, A.H., Crittenden, J.C., Sievers, C. “Stability of Pt/γ-Al2O3 Catalysts in Model Biomass Solutions” Top. Catal. 55 (2012) 162-174.
  8. Ravenelle, R.M., Diallo, F.Z., Crittenden, J.C., Sievers, C. “Effects of Metal Precursors on the Performance of Pt/γ-Al2O3 Catalysts for the Production of Sugar Alcohols from Cellulose in Aqueous Phase” ChemCatChem 4 (2012) 492-494.
  9. Ravenelle, R.M., Copeland, J.R., Kim, W.-G., Crittenden, J.C., Sievers, C. “Structural Changes of γ-Al2O3 Supported Catalysts in Hot Liquid Water” ACS Catal. 1 (2011) 552-561.
  10. Ravenelle, R.M., Schüssler, F., D’Amico, A., Danilina, N., van Bokhoven, J.A., Lercher, J.A., Jones, C.W., Sievers, C. “Stability of Zeolites in Hot Liquid Water” J. Phys. Chem. C 114 (2010), 19582–19595.