Dominic Pjontek
Contact
Chemical and Biochemical Engineering,
Thompson Engineering Building (TEB), Room 377
Western University
p: 1-519-661-2143
e: dpjontek@uwo.ca
Publications
Articles in Refereed Journals
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Y Shamiya, A Chakraborty, A Zahid, N Bainbridge, J Guan, B Feng, D Pjontek, S Chakrabarti, A Paul (2024). Ascorbyl palmitate nanofiber-reinforced hydrogels for drug delivery in soft issues. Communications Materials, doi: 10.1038/s43246-024-00641-x
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M Zhang, D Pjontek, H Wang, M Liu, X Han, Y Zeng, C Xu (2024). Upgrading Fast Pyrolysis Oil with Vacuum Gas Oil by Catalytic Hydrodeoxygenation in Supercritical Ethanol. Energy & Fuels, doi: 10.1021/acs.energyfuels.4c00624
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J Guan, A Saherwala, V Vijayakumar, D Pjontek (2024). CO2 Hydrogenation to Methanol in a Slurry Reactor: Catalytic Performance of CuO-Enhanced In2O3/ZrO2. Industrial and Engineering Chemistry Research, doi: 10.1021/acs.iecr.3c03647
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J Godin, F Sanchez, D Pjontek, C Briens, J McMillan (2023). Study of hydrodynamics and particle entrainment for a 0.6 m diameter fluidized bed of a large group A powder. Powder Technology, doi: 10.1016/j.powtec.2022.118179
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G Chegini, C Briens, D Pjontek (2023). Production and characterization of adsorbents from a hydrothermal char by pyrolysis, carbon dioxide and steam activation. Biomass Conversion and Biorefinery, doi: 10.1007/s13399-022-02439-8
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C Briens, J Idowu, FJ Sanchez, D Pjontek, J McMillan (2022). Spraying Slurries in Fluidized Beds: Impact of Slurry Properties on Spray Characteristics and Agglomerate Formation. Canadian Journal of Chemical Engineering, doi: 10.1002/cjce.24324
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T Nan, S Sabret, H Zhou, D Pjontek, J Zhu (2022). Preliminary study on a counter-current bubble column near flooding point and an inverse gas-liquid-solid circulating fluidized bed. Powder Technology, doi: 10.1016/j.powtec.2022.117356
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C Briens, E Pazoki, D Pjontek, C McKnight, J Wiens, M Wormsbecker, J McMillan (2022). New Measurement Method for Fast Vapor Adsorption on Particles. Measurement, doi: 10.1016/j.measurement.2022.111025
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M Nelson, S Srabet, T Nan, D Pjontek, Jesse Zhu (2022). Modified correlation for minimum fluidization velocity of low-density particles in inverse liquid-solid fluidized beds. Particuology, doi: 10.1016/j.partic.2022.01.016
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C Briens, J Idowu, FJ Sanchez, D Pjontek, J McMillan (2021). Spraying Slurries in Fluidized Beds: Impact of Slurry Properties on Spray Characteristics and Agglomerate Formation. Canadian Journal of Chemical Engineering, doi: 10.1002/cjce.24324
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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 (Selected for special Issue in honour of International Women in Engineering Day)
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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J Guan, D Pjontek (2022). Hydrogenation of carbon dioxide to methanol in a slurry reactor: catalytic performance of Cu-In-Zr oxide catalysts. Canadian Chemical Engineering Conference (CCEC), Vancouver, Canada. Oral presentation.
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J Guan, A Saherwala, V Vijayakumar, D Pjontek (2022). Methanol synthesis via CO2 hydrogenation in a slurry reactor using In2O3-based catalysts. 15th International Conference on Gas-Liquid and Gas-Liquid-Solid Reactor Engineering (GLS-15). Ottawa, Canada. Oral presentation.
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J Idowu, D Pjontek, C Briens, J McMillan (2021). Spraying Slurries: Impact of Slurry Properties on Spray Characteristics and Agglomerate Formation in Fluidized Beds. CFB 13, online conference. Oral presentation.
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S Srabet, J Zhu, D Pjontek (2019). Bed Voidage Predictions for Inverse Liquid-Solid Fluidized Beds. CSME-CFDSC Congress 2019, London, Canada. Oral presentation.
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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.
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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.
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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.
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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.
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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.
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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.
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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.
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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.
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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.
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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.
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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.
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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.
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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.
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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.
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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.
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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.