5. Summary and criteria for discrimination between APF and ABF behaviors

Table 1 summarizes the properties that differentiate APF and ABF behavior . In addition, the literature mentions an adimensional criterion (noted Π) for predicting the behavior of a fine powder . The Π criterion corresponds to a product of several adimensional numbers:

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Summary and criteria for discrimination between APF and ABF behaviors

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Techniques for improving the fluidization of cohesive powders

Bibliography

(1) - GELDART (D.), HARNBY (N.), WONG (A.C.) - Fluidization of cohesive powders. - Powder Technology, 37, p. 25-37 (1984).
(2) - MOLERUS (O.) - Interpretation of Geldart's type A, B, C and D powders by taking into account interparticle cohesion forces....

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UNIT module (open-access distance learning course): "Powder Science and Technology" and fluidization model http://nte.enstimac.fr/STP/co/STP_web.html http://nte.enstimac.fr/STP/co/OU8.html

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K. Saleh, F. Cordier, D. Steinmetz, M. Hemati, S. Gomez Gallardo, B. Chaudret, K. Philippot. Process for manufacturing supported metal nanoparticles in a fluidized bed. National registration no. FR 0107020.

K. Saleh, D. Steinmetz, M. Hemati. Process for coating and laminating fine powders in a fluidized-bed coater. Publication no. 2 791 905, national registration no. 99 04433, Patent FR 2 791 905 A1....