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Phase Mixing Modeling in Multiphase Reactors Containing Gas Bubble: a Review.

  • Sylvain Lefebvre , Jamal Chaouki und Christophe Guy
Veröffentlicht/Copyright: 6. Mai 2004
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International Journal of Chemical Reactor Engineering
Aus der Zeitschrift International Journal of Chemical Reactor Engineering Band 2 Heft 1

Multiphase reactors are often used as petrochemical, biological and pharmaceutical reactors. Understanding the mixing mechanism responsible for phase mixing is necessary for modeling purposes. Phase mixing may considerably affect reactor performance. In the literature, each phase mixing was often described by the Axial Dispersion Model (ADM), without physical justification. Some authors doubted the validity of the ADM and that it could represent the mixing of the phases and instead proposed other models. Also, some authors studied the fundamental mechanism responsible for phase mixing. For conversion and selectivity prediction purposes, the use of more complex phenomenological phase mixing models is essential when the kinetics are rapid and the interfacial mass transfer is limited. Many literature reviews concerning multiphase reactors have been published. These reviews, however, discuss phase mixing modeling based on the ADM and do not deal with the other phase mixing models. The aim of this work is to review the literature on phase mixing modeling, based on a mechanistic approach, for three kinds of multiphase reactors: the bubble column (solid free), slurry bubble column (small/light particles) and three phase fluidized bed (large/heavy particles) reactors. The common feature of these reactors is the presence of gas bubbles, which considerably influence the phase hydrodynamic. Hence, a mixing model proposed for one of these reactors may be conceptually representative of the mixing of the two others.

Published Online: 2004-5-6

©2011 Walter de Gruyter GmbH & Co. KG, Berlin/Boston

Artikel in diesem Heft

  1. Review
  2. Industrial Applications of Reactive Distillation: Recent Trends
  3. Phase Mixing Modeling in Multiphase Reactors Containing Gas Bubble: a Review.
  4. Article
  5. Numerical Aspects of Bubble Column Simulations
  6. Reactor Operating Strategy and Secondary Nucleation in Emulsion Polymerization
  7. Combined Mechanistic and Empirical Modelling
  8. The Catalytic Evaluation of Structured Zeolite Catalysts
  9. A Mechanistic Model for the Water Gas Shift Reaction Over Commercial Catalysts Containing CuO/ZnO
  10. Catalytic Pyrolysis of Difluorochloromethane to Produce Tetrafluoroethylene
  11. Radial Profiles of Particle Velocity in a Large Scale CFB Downer
  12. Nonlinear Dynamic Analysis of the Local Heat Transfer Rate in Three-Phase Reactors
  13. Conversion of Synthesis Gas into Light Hydrocarbons. Modelling of the Catalytic Reaction Network
  14. Influence of the Preparation Method and Metal Precursor Compound on Alumina-Supported Pd Catalysts
  15. A 3D Model of Combustion in Large-Scale Circulating Fluidized Bed Boilers
  16. Gas and Solid Mixing in High-Density CFB Risers
  17. A Local Model for Gas-Liquid Mass Transfer in a Gas-Liquid-Solid Circulating Fluidized Bed
  18. A Hybrid Methodology For On-Line Process Monitoring
  19. A Laboratory Steam-Cracking Reactor to Characterize Raw Materials
  20. Modeling, Simulation and Optimal Control of Ethylene Polymerization in Non-Isothermal, High-Pressure Tubular Reactors
  21. A Parametric Study of the Oxygen Elimination Process in a Packed Bed
  22. Flow Generated by Radial Flow Impellers: PIV Measurements and CFD Simulations
  23. Enhanced Reactor Performance with Pressure and Vacuum Swing Reaction
  24. Characterization and Selection of Materials for Air Biofiltration in Fluidized Beds
  25. Control and Optimization of a Three Phase Industrial Hydrogenation Reactor
  26. Horizontal Penetration of Gas-Liquid Spray Jets in Gas-Solid Fluidized Beds
  27. Optimization of Flow Shear Stress Through a Network of Capillary Fibers With the Use of CFD
  28. Oxygen Distribution in Packed Bed Membrane Reactors For Partial Oxidation Systems and its Effect On Product Selectivity
  29. Wastewater Minimisation Using a Heuristic Procedure
  30. Characterization of Fluidization Quality in Fluidized Beds of Wet Particles
  31. Numerical and Experimental Investigations into The Effect of Gap Between Baffle and Wall on Mixing in an Oscillatory Baffled Column
  32. Alternative Designs for Fixed Bed Catalytic Reactors
  33. Hydrodynamic and Mass Transfer Parameters in Agitated Reactors Part I: Critical Mixing Speed, Induced Gas Flow Rate, and Wavy Surface in SARs and GIRs
  34. Application of CFD Modelling Technique in Engineering Calculations of Three-Phase Flow Hydrodynamics in a Jet-Loop Reactor
  35. 3-D Modeling of Liquid Injection into Fluidized Beds
  36. Conference Presentation
  37. Granular Flows and Gas Fluidization
  38. Elastic Granular Flows
  39. Multi-fluid CFD modelling of fluidised bed reactors
  40. Chemical Reaction Engineering, the Environment, Pollution Prevention and Sustainable Development
  41. Gas-Liquid-Solid Fluidization: Perspectives
  42. Short Communication or Note
  43. Catalytic Drying of Digested Sludge
  44. Enhancement of the Distribution of a Liquid Sprayed Into a Fluidized Bed
https://doi.org/10.2202/1542-6580.1106

Artikel in diesem Heft

  1. Review
  2. Industrial Applications of Reactive Distillation: Recent Trends
  3. Phase Mixing Modeling in Multiphase Reactors Containing Gas Bubble: a Review.
  4. Article
  5. Numerical Aspects of Bubble Column Simulations
  6. Reactor Operating Strategy and Secondary Nucleation in Emulsion Polymerization
  7. Combined Mechanistic and Empirical Modelling
  8. The Catalytic Evaluation of Structured Zeolite Catalysts
  9. A Mechanistic Model for the Water Gas Shift Reaction Over Commercial Catalysts Containing CuO/ZnO
  10. Catalytic Pyrolysis of Difluorochloromethane to Produce Tetrafluoroethylene
  11. Radial Profiles of Particle Velocity in a Large Scale CFB Downer
  12. Nonlinear Dynamic Analysis of the Local Heat Transfer Rate in Three-Phase Reactors
  13. Conversion of Synthesis Gas into Light Hydrocarbons. Modelling of the Catalytic Reaction Network
  14. Influence of the Preparation Method and Metal Precursor Compound on Alumina-Supported Pd Catalysts
  15. A 3D Model of Combustion in Large-Scale Circulating Fluidized Bed Boilers
  16. Gas and Solid Mixing in High-Density CFB Risers
  17. A Local Model for Gas-Liquid Mass Transfer in a Gas-Liquid-Solid Circulating Fluidized Bed
  18. A Hybrid Methodology For On-Line Process Monitoring
  19. A Laboratory Steam-Cracking Reactor to Characterize Raw Materials
  20. Modeling, Simulation and Optimal Control of Ethylene Polymerization in Non-Isothermal, High-Pressure Tubular Reactors
  21. A Parametric Study of the Oxygen Elimination Process in a Packed Bed
  22. Flow Generated by Radial Flow Impellers: PIV Measurements and CFD Simulations
  23. Enhanced Reactor Performance with Pressure and Vacuum Swing Reaction
  24. Characterization and Selection of Materials for Air Biofiltration in Fluidized Beds
  25. Control and Optimization of a Three Phase Industrial Hydrogenation Reactor
  26. Horizontal Penetration of Gas-Liquid Spray Jets in Gas-Solid Fluidized Beds
  27. Optimization of Flow Shear Stress Through a Network of Capillary Fibers With the Use of CFD
  28. Oxygen Distribution in Packed Bed Membrane Reactors For Partial Oxidation Systems and its Effect On Product Selectivity
  29. Wastewater Minimisation Using a Heuristic Procedure
  30. Characterization of Fluidization Quality in Fluidized Beds of Wet Particles
  31. Numerical and Experimental Investigations into The Effect of Gap Between Baffle and Wall on Mixing in an Oscillatory Baffled Column
  32. Alternative Designs for Fixed Bed Catalytic Reactors
  33. Hydrodynamic and Mass Transfer Parameters in Agitated Reactors Part I: Critical Mixing Speed, Induced Gas Flow Rate, and Wavy Surface in SARs and GIRs
  34. Application of CFD Modelling Technique in Engineering Calculations of Three-Phase Flow Hydrodynamics in a Jet-Loop Reactor
  35. 3-D Modeling of Liquid Injection into Fluidized Beds
  36. Conference Presentation
  37. Granular Flows and Gas Fluidization
  38. Elastic Granular Flows
  39. Multi-fluid CFD modelling of fluidised bed reactors
  40. Chemical Reaction Engineering, the Environment, Pollution Prevention and Sustainable Development
  41. Gas-Liquid-Solid Fluidization: Perspectives
  42. Short Communication or Note
  43. Catalytic Drying of Digested Sludge
  44. Enhancement of the Distribution of a Liquid Sprayed Into a Fluidized Bed
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