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Wet granulation is a process where non-toxic granulating fluid such as isopropanol, water, or ethanol is used as a solvent to agglomerate fine powder particles into granules.
Often solvent recovery can be done in the stages of the wet granulation process.
Raw materials and solvents are fed into a reactor to be granulated. The granules will crystalize into a stronger structure which feed into a dryer to become the end product.
1. After the reactor - Solvent recovery can be implemented after the reactor to recover the evaporated solvent.
2. After the distillation column - Solvent recovery can also be implemented after the distillation column to recover solvent.
3. After dryer - Solvent recovery can be implemented after dryer to recover extra solvent after crystallization.