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Title: Mechanically agitated fluidized bed drying of cohesive particles at low air velocity
Authors: Bait, R.G.
Pawar, S.B.
Banerjee, A.N.
Mujumdar, A.S. 
Thorat, B.N.
Keywords: Cohesive particles
Fbd internals
Flow coefficient
Hydrodynamic performance
Pressure drop
Issue Date: Jan-2011
Citation: Bait, R.G., Pawar, S.B., Banerjee, A.N., Mujumdar, A.S., Thorat, B.N. (2011-01). Mechanically agitated fluidized bed drying of cohesive particles at low air velocity. Drying Technology 29 (7) : 808-818. ScholarBank@NUS Repository.
Abstract: The drying of micrometer-sized, cohesive particles belonging to the group C type materials according to Geldart's classification is always challenging. An agitated fluid bed dryer (AFBD) of pilot-scale capacity was designed to study the effect of the type of agitator and its speed, gas velocity, and inlet temperature and feed loading on the hydrodynamic performance of the AFBD. Key hydro-dynamic parameters such as pressure drop have a profound influence on determining the fluidization characteristics. The pressure drop across the AFBD system was expressed in terms of flow coefficient, n, which can be conveniently used as a design parameter. The choice of agitator has an even greater influence on the drying kinetics and the results have been summarized, paving the way for a more efficient spiral agitator of the helical ribbon type. © 2011 Taylor & Francis Group, LLC.
Source Title: Drying Technology
ISSN: 07373937
DOI: 10.1080/07373937.2010.541574
Appears in Collections:Staff Publications

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