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What's the difference between the spray dryer and vacuum spray dryer?

2026-03-11
Latest company news about What's the difference between the spray dryer and vacuum spray dryer?

Here's a clear comparison table between a conventional spray dryer and a vacuum spray dryer:

Feature Conventional Spray Dryer Vacuum Spray Dryer
Operating Pressure Atmospheric pressure Reduced pressure (vacuum)
Drying Temperature High (150–300°C typical) Low (50–100°C typical)
Suitable for Heat-stable materials Heat-sensitive materials (proteins, enzymes, pharmaceuticals, flavors)
Drying Speed Fast Slower
Thermal Degradation Risk Higher Lower
Equipment Complexity Simple More complex
Cost Lower Higher
Applications Milk powder, coffee, detergents Pharmaceuticals, bioactive compounds, sensitive food powders