What are Common Reactor Geometries Used in Catalysis?
Several reactor geometries are commonly employed in catalytic processes:
Fixed-Bed Reactors: These reactors consist of a bed of solid catalyst particles and are widely used in industrial applications. They are suitable for gas-phase reactions and offer good heat and mass transfer properties. Fluidized-Bed Reactors: In these reactors, the catalyst particles are suspended in a fluid, providing excellent mixing and uniform temperature distribution. They are ideal for reactions requiring high heat and mass transfer rates. CSTR (Continuous Stirred-Tank Reactor): This reactor type ensures thorough mixing of reactants and catalyst, maintaining a uniform composition throughout. It is commonly used for liquid-phase reactions. Packed-Bed Reactors: Similar to fixed-bed reactors, these reactors contain a packed bed of catalyst particles. They are often used for gas-phase reactions with high throughput requirements.