Principle of the granulate spheronizing process
Principle of the extruded product spheronizing process
Irregular particles can be spheronized with the help of a pelletizer/spheronizer.
The moist granulates or extruded products are fed onto the rotating
pelletizing plate. The surface is smoothed due to the intensive
rolling movement and spherical pellets are produced. (->
Spheronizing in the pelletizer)
Product characteristics of the granulates and pellets
Top: spheronized extruded product
Bottom: spheronized wet granulate
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- Dust free
- Round, uniform shape
- Good flow behaviour
- Easy to dose
- Good dispersibility
- Good solubility
- Compact structure
- Low hygroscopicity
- High bulk density
- Dense surface
- Narrow grain size distribution
- Low abrasion
- Visual attractiveness
- Optimum starting shape for subsequent coating
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With suitable additives, pellets can be made into tablets or used
to fill capsules. The round shape is ideal for uniform coating.
Pellets are good for automatic dosing.
Manufacturing options
For this process, Glatt offers Pelletizers/Spheronizers
with throughputs from a few 100g to 1.5t/batch.
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