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Modeling and simulation of heterogeneous catalytic processes /
Heterogeneous catalysis and mathematical modeling are essential components of the continuing search for better utilization of raw materials and energy, with reduced impact on the environment. Numerical modeling of chemical systems has progressed rapidly due to increases in computer power, and is use...
| Clasificación: | Libro Electrónico |
|---|---|
| Otros Autores: | |
| Formato: | Electrónico eBook |
| Idioma: | Inglés |
| Publicado: |
Waltham :
Academic Press,
2014.
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| Edición: | First edition. |
| Colección: | Advances in chemical engineering ;
volume 45. |
| Temas: | |
| Acceso en línea: | Texto completo Texto completo |
Tabla de Contenidos:
- Front Cover; Modeling and Simulation of Heterogeneous Catalytic Processes; Copyright; Contents; Contributors; Preface; Chapter One: Challenges in Reaction Engineering Practice of Heterogeneous Catalytic Systems; 1. Introduction; 2. Multiscale Character of Heterogeneous Catalytic Processes; 3. Needed Integrated Approach to Catalytic Process Development; 4. Scale-Up Strategies; 5. Example1. Hydrogenation in a Trickle-Bed Reactor-Scale-Up Surprises to Avoid; 6. Example2. Solid Acid Alkylation-Solids Flow Pattern in a Riser.
- 7. Example3. Partial Oxidation-Need for the Proper Model of the Circulating Fluidized-Bed System8. Challenges for Improved Scale-Up of Multiphase Reactors; 9. Conclusions; Acknowledgments; References; Chapter Two: Spatial Resolution of Species and Temperature Profiles in Catalytic Reactors: In Situ Sampling Techniques an ... ; 1. Introduction; 1.1. Computational fluid dynamics; 1.2. Invasive in situ techniques; 1.3. NonInvasive in situ techniques; 1.4. Objective of this chapter; 2. Fundamentals; 2.1. Reaction kinetics; 2.2. Surface reactions and mean-field approximation.
- 2.3. Coupling of surface reaction rate and internal mass transfer2.4. Coupling of surface reactions with external mass and heat transport; 3. Stagnation Flow on a Catalytic Plate; 3.1. Experimental setup; 3.2. Modeling the stagnation flow on a catalytic plate; 3.3. Example: CO oxidation on porous Rh/Al2O3 plate; 3.3.1. Surface reaction mechanism; 3.3.2. Catalyst preparation; 3.3.3. Catalyst characterization; 3.3.4. Kinetic measurements; 3.3.5. Numerical simulation; 3.3.6. Species profiles; 3.3.7. Summary; 4. Channel Reactors with Catalytically Coated Walls; 4.1. Experimental setup.
- 4.2. CFD modeling4.3. CFD evaluation of the sampling technique; 4.3.1. Impact on flow field without chemical conversion; 4.3.2. Impact on species profiles (with chemical conversion); 5. Conclusions; Acknowledgments; References; Chapter Three: Catalytic Combustion of Hydrogen, Challenges, and Opportunities; 1. Introduction; 2. Hydrogen Hetero-/Homogeneous Chemistry; 2.1. Heterogeneous Chemistry; 2.2. Homogeneous Chemistry; 3. Numerical Modeling of Heterogeneous and Homogeneous Combustion; 3.1. One-Dimensional Channel-Flow Models; 3.2. One-Dimensional Stagnation-Flow Models.
- 3.3. Multidimensional Models4. Impact of Hydrogen Molecular Transport on Reactor Thermal Management; 5. Validation of Hetero-/Homogeneous Hydrogen Kinetics; 5.1. Heterogeneous Kinetics of Hydrogen on Noble Metals; 5.2. Gas-Phase Kinetics of Hydrogen in Hetero-/Homogeneous Combustion; 6. Coupling of Hydrogen Hetero-/Homogeneous Chemistry and Transport; 7. Methodologies for Hydrogen Hetero-/Homogeneous Combustion; 8. Catalytic Combustion of Hydrogen with Other Fuels; 9. Conclusions; Acknowledgments; References; Chapter Four: Novel Developments in Fluidized Bed Membrane Reactor Technology.