Wet granulation is a multistep process for the manufacturing of tablets and different types of equipment are used for different steps.
For Sieving
For sieving conventional method is to sieve powders manually using SS sieves. To boost the process and to enhance productivity following are used
- Oscillating granulator
- Vibratory Sifter
- Dry mill
For Pre Mixing
Uniform mixing of powders is required before kneading/granulation and following mixers are used
- Double cone blender
- Sigma Mixer/Spiral Mixer/Ribbon Mixer
- Plough mixer
- Bin Blender
- V type blender
- Rapid Mixing granulator(RMG)
For Granulation/Kneading
For kneading mean wetting of powders following equipment are used.
Low shear Mixing Granulator
- Ribbon mixer
- Plough mixer
High Shear Mixing Granulator
- Rapid Mixing Granulator(RMG)
For Wet Sieving
- Wet Mill
- Manual sieves
For Drying Of Wet Mass
- Fluidized bed dryer (FBD)
- Tray Dryer
For Sieving of dry Grains
- Oscillating Granulator
- Multi Mill /Fitz Mill
- Manual Sieves
Final Mixing
Commonly used blenders for final mixing are as follow,
- Double cone blender
- Sigma mixer
- Bin blenders.