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Scaling and particle size optimization of mass transfer in gas fluidized beds.

✍ Scribed by C.E.J. Van Lare; H.W. Piepers; D. Thoenes

Publisher
Elsevier Science
Year
1990
Tongue
English
Weight
429 KB
Volume
45
Category
Article
ISSN
0009-2509

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✦ Synopsis

Conversion was measured in a gas fluidized bed. using the decomposition of ozone as a model reaction. The results were expressed in terms of the height of a mass transfer unit. Mass transfer data from our own experiments and a large number of literature data were analyzed. We found a Scaling parameter S, that could describe all experiments. This Scaling parameter can be helpful in scale up. For A type powders. the height of a mass transfer unit was shown to rise with increasing particle size. using S as reference.

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## Abstract The approach of combined discrete particle simulation (DPS) and computational fluid dynamics (CFD), which has been increasingly applied to the modeling of particle‐fluid flow, is extended to study particle‐particle and particle‐fluid heat transfer in packed and bubbling fluidized beds a