Understanding and design of a fluid bed granulation process.
Kamoga, Wasswa Daniel
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The study is concerned with the effects of binder addition rate, air pressure to the nozzle, inlet fluidizing air temperature and nozzle head height from the distribution grid to the resulting granule sizes of the resulting granulations obtained. Basing on the theoretical obtained results, it is observed and established that the increasing rate of binder addition increases the wetting and penetration effects of the binder solution hence granules of large sizes are obtained. With low binder addition rate, small granule sizes are obtained as a result. It seen that Inlet fluidizing air temperature influences the spray drying effects of the atomized binder thus high inlet temperature results in to small size granulations were as low inlet air temperature result in large sized granule sizes or even caking of the powder bed.