What is spray drying?

Spray drying is a very commonly used method of drying in the pharmaceutical industry. But why would you need to dry a solution? And how does a spray dryer work? In this video Pharma Drama give you the answers! Other videos on drying include; Why do we dry materials?    • What is drying?   Freeze-drying;    • What is freeze drying (or lyophilization)?   Tray-drying;    • What is tray drying?   Fluidised-bed drying;    • What is fluidised-bed drying?