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CREL Report 2005
NSF Proposal-Catalytic Nanofactories for Industrial Processes
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Center for Environmentally Beneficial Catalysis
Washington University at St. Louis
Department of Energy, Environmental and Chemical Engineering
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AREA I : Multiphase Reactors and Systems
    A. Experimental Techniques and Models

    A1. Bubble Columns, Slurries and Fluidized Beds
  1. Evaluation of Experimental Methods for Hydrodynamics of Industrial Scale Reactors
  2. Numerical Simulation of the Flow in Bubble Columns
  3. Liquid Mixing Based on Convection and Turbulent Dispersion in Bubble Columns
  4. Tracer Studies of the LAPORTE AFDU Reactor During Methanol Synthesis
  5. Interpretation of Tracer Data with Axial Dispersion Model in Slurry Bubble Column Reactor Under Reaction Conditions
  6. A Two Phase Recycle with Cross Flow Model for Bubble Column Reactors -Part I
  7. A Two Phase Recycle with Cross Flow Model for Bubble Column Reactors -Part II
  8. Fluid Dynamics and Mass Transport in Churn-Turbulent Bubble Columns
  9. Hydrodynamics of Liquid Fluidized and Gas-Liquid Fluidized Beds
  10. Fluid Dynamics and FLow Patterns in Liquid Solid Risers
    A2. Trickle Beds and Packed Bubble Columns
  1. Liquid and Gas Flow and Holdup Distribution in Trickle-Bed Reactors
  2. Analysis of the Reaction Mechanism for Hydrogenation of alpha- methylstyrene at High Pressures
  3. Performance of Trickle Bed Reactors in Periodic Operation
  4. Improved Prediction of Pressure Drop and Liquid Holdup in High Pressure Trickle Bed reactors
  5. Evaluation of the Effect of High Pressure and Gas Flow Rate on the Liquid-Solid Mass Transfer Coefficient in Trickle-Bed Reactors
  6. Liquid-Solid Mass Transfer Coefficient in Trickle Bed Reactor Operated Under High Pressure
    A3. Stirred Tank Reactors
  1. Characterization of Single Phase Flows in Stirred Tank Reactors (STR) using Computer Automated Radioactive Particle Tracking (CARPT)
  2. Numerical Simulation of Single Phase Flows in STR
  3. Advanced CARPT Studies in Single Phase Flows in STR: Evaluation of Flow Following Capabilities of Tracers of Different Sizes (150 microns - 2.3 mm) and Density Ratios (Neutrally Buoyant and Non-neutrally Buoyant)
  4. Characterization of Local Fluid Dynamics of Liquid Phase in Gas-Liquid Flows in STR using CARPT
  5. Characterization of Gas Phase Cross-Sectional Distributions at Different Axial Planes in Gas-Liquid Flows in STR using Computed Tomography (CT)
  6. Numerical SImulations of Gas-Liquid Flows in STR

    B. Mathematical Techniques and Computational Reaction Engineering

  1. Computational Reaction Engineering: A brief outline of the future work needed in the important area of computational engineering
  2. Partial External Wetting of Catalyst - A BEM Solution Procedure Procedure
  3. Radial Basis Functions Approximation in the Dual Reciprocity Method
  4. Periodic Operation of Asymmetric Bi-Directional Fixed-Bed Reactors -Operability and Energy Efficiency
  5. Comparison of the Wave Model and the Axial Dispersion Model for the Case of Non-Unidirectional Flow

    C. Novel Reactors and Technologies for Environmentally Benign Processing

  1. Air Quality Engineering
  2. Rotating Packed Beds
  3. Particle Removal From Gas Stream by Rotofilter
  4. Design of Reactive Distillation: CREL Capabilities
  5. Preliminary Experimental Study on Photo Chlorination of Toluene in a Reactive Distillation Column
  6. A Study of the Formation of Brominated Disinfection By-products Formed During Ozonation of Water Impurities in the Presence of Bromide
  7. Evaluation of Metal Peroxides for Bioremediation

    AREA II: Preparation of New Materials

  1. Semiconductor Grade Silicon
  2. Autoclave Process for high Performance Long-Fiber Composites
  3. Carbon Fibers for Affordable Polymeric Composites
  4. Zero-Order Release from a Brittle Matrix Due to Osmotically Induced Surface Erosion

    AREA III: Process Monitoring and Control

  1. Process Monitoring and Control
  2. Process Identification using Discrete Wavelet transforms
  3. On-Line Quality Control of Nonlinear Batch Processes through Secondary Measurements
  4. Design of a Controller Structure for Injected Resin Transfer Moulding (IRTM) Process