FLUIDIZED REACTOR MODELS .1. FOR BUBBLING BEDS OF FINE, INTERMEDIATE, AND LARGE PARTICLES .2. FOR THE LEAN PHASE - FREEBOARD AND FAST FLUIDIZATION

Part 1 presents reactor models for all regimes of behavior of dense bubbling fluidizing beds, and the single parameter appearing throughout is the mean bubble size in the bed. The models are simple in that they do not require numerical solution, and they reasonably fit the reported data for these systems. Part 2 develops a freeboard entrainment reactor model to account for the extra conversion taking place above the dense bubbling bed. This model extends naturally to fast fluidization and other lean-phase contactors such as the circulating fluidized bed and suggests what type of information is needed to make reliable reactor performance predictions in these systems. © 1990, American Chemical Society. All rights reserved.