4. Agglomerate structure and size
The properties of agglomerates (size, density, shape, etc.) govern their macroscopic behavior in fluidization. The structure of agglomerates is largely determined by the characteristics of the primary particles: size, density, shape, nature of the material, nature of the interparticle forces, etc. However, the state of knowledge is such that it remains difficult to predict the structure of agglomerates. Nevertheless, the state of our knowledge is such that it remains difficult to predict the structure of agglomerates and their macroscopic behavior from the properties of the primary particles.
In general, primary particles can be bound by two mechanisms:
aggregation: an aggregate is an assembly of particles bound together "rigidly", often by sintering. Aggregates become indivisible...
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Agglomerate structure and size
Summary and criteria for discrimination between APF and ABF behaviors
Bibliography
Software tools
Ergun Fluidization Software http://www.utc.fr/ergun/
Websites
UNIT module (open-access distance learning course): "Powder Science and Technology" and fluidization model http://nte.enstimac.fr/STP/co/STP_web.htmlhttp://nte.enstimac.fr/STP/co/OU8.html
Events
Fluidization XV May 22-26, 2016, Fairmont Le Chateau Montebello, Quebec, Canada
World Congress of Particle Technology VIII April 22-26, 2018, Orlando, Florida, United States
9th Symposium on Powder Science and Technology (STP) 2018, Compiègne, France
Patents
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....
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Manufacturers – Suppliers – Distributors (non-exhaustive list)
VEGA Technique SAS – Nordhouse – [email protected]http://www.vega.fr
Glatt GmbH, Process Technology – Germany http://www.glatt.com/
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