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Gas phase hydrodynamics of a gas-solid turbulent fluidized bed reactor

✍ Scribed by M. Foka; J. Chaouki; C. Guy; D. Klvana

Publisher
Elsevier Science
Year
1996
Tongue
English
Weight
752 KB
Volume
51
Category
Article
ISSN
0009-2509

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✦ Synopsis

Transient gas mixing tests in a gas--solid fluidized bed are analyzed with a dispersive plug flow model from the bubbling to the turbulent regime, and with the two-phase model of van Deemter. It is shown that dispersion fluctuations can also be used besides pressure fluctuations or capacitance probes to characterize the transition between the bubblir~g and the turbulent regime. Furthermore, the gas Peclet number in the turbulent regime is correlated in terms of the operating parameters, the bed diameter and the particles and gas properties as:

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