CONTENTS
• Definition of Spray Drying
• Advantages and limitations of spray drying
* Advantages
* Limitations
• Classification of spray dryers
• Components of spray dryer
* Types of atomization
A conventional spray drying process consists of the following four stages:
1. Atomization of feed into droplets
2. Heating of hot drying medium
3. Spray‐air contact and drying of droplets
4. Product recovery and final air treatment
* Flow patterns
* Collection types
* Control methods