Page 2721 - Flipbook_SolidDesignSoutheast2020

Pre-heating Constant Falling
period drying period drying period

θ
Drying Curve i

Moisture content (θ) θ k

θ o
Drying cycle time (t)

Microwave-assisted vacuum dryers can achieve faster
drying times compared to vacuum alone

14

12
– Microwave
–
10
Flowthrough
Moisture Content % 8
–
Vacuum
6

4
2

0
0 15 30 45 60 75 90 105

(Source: GEA Pharma Systems)

MARION Thermal Processing Handbook | 19