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|1. Key stages of
spray drying process
Spray drying is performed along 4 main stages in order to transform a liquid feed into a powder :
- Spray / air contact
- Spray evaporation
- Product separation
For each of these stages many variants of equipment and process sub-units have been developed over time which allows the Process Engineer to chose equipment fitting the most the usage to be done.
The different process options available are summarized in the following diagram.