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Typical stages and process options of spray drying

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Section summary
1. Key stages of spray drying process

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 :

- Atomization

- 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.

Typical stages and process options for spray drying

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