| Popis: |
Gauze and metal sheet structured packing have been in use in countless separation columns for more than 50 years, and vacuum applications have become the unquestioned domain of structured packing. Structured packing is manufactured in various types, geometries, and materials, which are addressed in this chapter. The performance characteristics of various packing types (i.e. efficiency, capacity, and pressure drop) are described and examples given. Other column internals, such as liquid and vapor distributors, are important “nonseparating” column internals, and various products are available. Adequate liquid and vapor distribution is important to achieve the full performance of structured packing, and the impact of maldistribution on the design is highlighted. Examples of important applications using structured packing are given at the end of this chapter. |
