Background Information About Suspended Solids Reactors

1 BACKGROUND INFORMATION ABOUT SUSPENDED SOLIDS REACTORS [Pg.447]

This is a vast subject, but we must be brief and can only touch on the highlights. See Kunii and Levenspiel (1991) for a much more complete presentation. [Pg.447]

Geldart (1973) and Geldart and Abrahamson (1978) looked at how different kinds of solids behaved when fluidized, and came up with the following simple classification of solids which we now call the Geldart classification, thus Geldart A, B, C, D. These are shown and described in Fig. 20.2. [Pg.448]

Next consider the distribution of solids in the vertical vessel. Let / be the volume fraction of solids at height z of the vessel. Then as shown in Fig. 20.3 when we go to higher and higher gas velocities the solids spread throughout the vessel. [Pg.448]

Bubbles grow large. Bed internals help keep bubble size down. [Pg.448]

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