Publications

Articles in Refereed Journals

  1. E Glatt, D Pjontek, CA McKnight, J Wiens, M Wormsbecker, J McMillan (2021). Hydrocarbon condensation modelling to mitigate Fluid Coker cyclone fouling. Canadian Journal of Chemical Engineering, doi: 10.1002/cjce.23830 (Special Issue in honour of International Women in Engineering Day)

  2. J Meng, D Pjontek, Z Hu, J Zhu (2020). Hydrodynamics of a Gas-Driven Gas-Liquid-Solid Spouted Bed with a Draft Tube. Canadian Journal of Chemical Engineering, doi: 10.1002/cjce.23819

  3. A Yip, D O’Malley, A Meddaoui, J Marton, D Pjontek, J Haelssig (2020). Fluid Dynamics and Gas-Liquid Mass Transfer in a Vertically-Oscillating Multiphase Reactor. Chemical Engineering Science, 225, 2, doi: 10.1016/j.ces.2020.115817
  4. C Krutpijit, B Jongsomjit, D Pjontek, JE Herrera (2020). Lithium promotion in ethanol oxidative dehydrogenation over Al- modified Ag/Montmorillonite clays. Molecular Catalysis, 483, doi: 10.1016/j.mcat.2019.110717

  5. B Pomeroy, T Doxtator, JE Herrera, D Pjontek (2019). Effect of Ni reducibility on anisole hydrodeoxygenation activity in the La-Ni/Al2O3 catalytic system. International Journal of Chemical Reactor Engineering, 18, 2, doi: 10.1515/ijcre-2019-0066

  6. C Lane, A Macchi, D Pjontek, CA McKnight, J Wiens, A Donaldson (2019). Modelling the fluid dynamics of a commercial ebullated bed hydroprocessor. Industrial & Engineering Chemistry Research, 58, 39, 18387-18396, doi: 10.1021/acs.iecr.9b02779

  7. D Kankariya, C Briens, D Pjontek, S Tacchino (2018). Effects of liquid feed rate and impeller rotation speed on the overall heat transfer coefficient in a mechanically fluidized reactor. Particuology, 39, 25-32, doi: 10.1016/j.partic.2017.10.007

  8. S MacIntyre, A Hammad, Dominic Pjontek (2017). Particle agglomeration studies in a slurry bubble column due to liquid bridging: Effects of particle size and sparger design. Chemical Engineering Science, 170, 213-224, doi: 10.1016/j.ces.2017.02.021

  9. V Parisien, D Pjontek, CA McKnight, J Wiens, A Macchi (2017). Impact of catalyst density distribution on the fluid dynamics of an ebullated bed operating at high gas holdup conditions. Chemical Engineering Science, 170, 491-500, doi: 10.1016/j.ces.2017.02.003

  10. V Parisien, A Farrell, D Pjontek, CA McKnight, J Wiens, A Macchi (2016). Bubble swarm characteristics in a bubble column under high gas holdup conditions. Chem. Eng. Sci., 157, 88-98. doi:10.1016/j.ces.2016.04.051

  11. D Pjontek, CA Mcknight, J Wiens, A Macchi (2015). Ebullated bed fluid dynamics relevant to industrial hydroprocessing. Chem. Eng. Sci. 126, 730–744. doi:10.1016/j.ces.2015.01.002

  12. D Pjontek, V Parisien, C Farrell, CA McKnight, J Wiens, A Macchi (2014). Particle agglomeration in gas-liquid-solid fluidized beds with a dispersed immiscible liquid: Study on particle size, shape and material. Powder Technol. 266, 45–60. doi:10.1016/j.powtec.2014.06.002

  13. D Pjontek, V Parisien, A Macchi (2014). Bubble characteristics measured using a monofibre optical probe in a bubble column and freeboard region under high gas holdup conditions. Chem. Eng. Sci. 111, 153–169. doi:10.1016/j.ces.2014.02.024

  14. D Pjontek, A Macchi, (2014). Hydrodynamic comparison of spherical and cylindrical particles in a gas–liquid–solid fluidized bed at elevated pressure and high gas holdup conditions. Powder Technol. 253, 657–676. doi:10.1016/j.powtec.2013.12.030

  15. D Pjontek, J Landry, CA McKnight, LP Hackman, A Macchi, (2011). Effect of a dispersed immiscible liquid phase on the hydrodynamics of a bubble column and ebullated bed. Chem. Eng. Sci. 66, 2224–2231. doi:10.1016/j.ces.2011.02.040

  16. A Khelifa, B Fieldhouse, Z Wang, C Yang, M Landriault, MF Fingas, CE Brown, L Gamble, D Pjontek, (2007). A laboratory study on formation of oil-SPM aggregates using the NIST standard reference material 1941b. In Artic and Marine Oilspill Program Technical Seminar (Vol. 30, No. 1, p. 35).

Book Chapter

  1. D Pjontek, A Donaldson, A Macchi (2020). Three-phase (Gas-Liquid-Solid) Fluidization in "Essentials of Fluidization", edited by J Grace, X Bi, N Ellis, Wiley, doi: 10.1002/9783527699483.ch22

Conference Presentations

  1. S Srabet, J Zhu, D Pjontek (2019). Bed Voidage Predictions for Inverse Liquid-Solid Fluidized Beds. CSME-CFDSC Congress 2019, London, Canada. Oral presentation.

  2. S Srabet, J Zhu, D Pjontek (2019). Minimum Fluidization Velocity of Inverse Liquid-Solid Fluidized Bed Using Light Solid Particles. CSME-CFDSC Congress 2019, London, Canada. Oral presentation.

  3. B Pomeroy, T Doxtator, J Buono, J Herrera, D Pjontek (2018). Tuning of HDO activity on Ni/γ-Al2O3 and Ni/SiO2 systems by Lanthanum and Niobium doping. XXIX Interamerican Congress of Chemical Engineering, Toronto, Canada. Oral presentation.

  4. E Glatt, D Pjontek (2018). Cyclone fouling model development for Fluid Coker bitumen upgrading reactors. XXIX Interamerican Congress of Chemical Engineering, Toronto, Canada. Oral presentation.

  5. A Yip, D O'Malley, T Doxtator, J Li, D Pjontek, J Haelssig (2018). Numerical Simulation of Mass Transfer in a Vertically Oscillating Reactor. XXIX Interamerican Congress of Chemical Engineering, Toronto, Canada. Oral presentation.

  6. J Idowua, F Sanchez, C Briens, D Pjontek, J McMillan (2018). Effect of Stray Solid Particles on Spray Nozzle Performance and Agglomeration. XXIX Interamerican Congress of Chemical Engineering, Toronto, Canada. Oral presentation.

  7. S MacIntyre, M Atkinson, D Pjontek (2017). Particle agglomeration studies in a slurry bubble column due to liquid bridging: Effects of particle size and sparger design. 13th International Conference on Gas-Liquid and Gas-Liquid-Solid Reactor Engineering (GLS 13), Brussels, Belgium. Oral presentation.

  8. B Pomeroy, D Yun, J Herrera, D Pjontek (2017). Lanthanum induced stabilization of a Ni-Cu Bimetallic Catalysts for Anisole Hydrodeoxygenation in a Novel Externally Agitated Reactor. 13th International Conference on Gas-Liquid and Gas-Liquid-Solid Reactor Engineering (GLS 13), Brussels, Belgium. Poster.

  9. G Chegini, F Sanchez Careaga, D Pjontek, C Briens (2017). Impact of Pyrolysis heating characteristics on leachability of biochar minerals. TC Biomass, Chicago, United States. Oral presentation.

  10. S MacIntyre, M Atkinson, D Pjontek (2016). Agglomeration studies in a slurry bubble column: Effects of immiscible liquid loading and viscosity. Canadian Chemical Engineering Conference, Vancouver, Canada. Oral presentation.

  11. D Kankariya, S Tacchino, D Pjontek, F Berruti, C Briens (2016). Development of a mobile 100 kg/h plant for pyrolysis using a mechanically fluidized reactor. 5th international congress on green process engineering (GPE 2016), Mont Tremblant, Canada. Poster.

  12. G Chegini, C Briens, D Pjontek (2016). Effect of heating rate on digestate pyrolysis for biochar production using the Jiggle Bed Reactor. Advanced Biofuels Symposium, Vancouver, Canada.

  13. V. Parisien, A. Farrell, D. Pjontek, A. Macchi (2015). Comparison of monofibre optical probe and dynamic gas disengagement techniques for local and global bubble characteristics in a bubble column at high gas holdups conditions. 12th International Conference on Gas-Liquid and Gas-Liquid-Solid Reactor Engineering (GLS 12), New York, United States. Oral presentation.

  14. D. Pjontek, C. McKnight, J. Wiens, A. Macchi (2014). Ebullated bed fluid dynamics relevant to industrial hydroprocessing, 64th Canadian Chemical Engineering Conference, Niagara Falls, Canada. Oral presentation.

  15. D. Pjontek, A. Macchi (2014). Fluid dynamic studies in support of an industrial ebullated bed hydroprocessor. International Workshop on Fluid-Particle Systems, Vancouver, Canada. Oral presentation.

  16. D. Pjontek, V. Parisien, A. Macchi (2012). Local bubble characteristics in a bubble column and ebullated bed using a monofibre optical probe at elevated pressures, 62nd Canadian Chemical Engineering Conference, Vancouver, Canada. Oral presentation.

  17. D. Pjontek, J. Landry, C.A. McKnight, L.P. Hackman, A. Macchi (2011). Effect of a dispersed immiscible liquid phase on the hydrodynamics of a bubble column and ebullated bed. Gas-Liquid and Gas-Liquid-Solid Reactor Engineering Congress (GLS 10), Braga, Portugal. Oral presentation.