Slide 1

Jangam, Mujumdar - Classification and Selection

Table 3.3. Dryer selection versus feedstock form

Nature of Feed

Liquids Cakes Free-Flowing Solids (^) Formed
Solution Slurry Paste Centrifuge Filter Powder Granule Fragile crystals Pellet Fiber Solids
Convective dryers
Belt conveyor dryer √ √ √ √ √
Flash dryer √ √ √ √ √
Fluid bed dryer √ √ √ √ √ √ √
Rotary dryer √ √ √ √ √ √
Spray dryer √ √ √
Tray dryer (batch) √ √ √ √ √ √ √ √
Tray dryer (continuous) √ √ √ √ √ √ √
Conduction dryers
Drum dryer √ √ √
Steam jacket rotary dryer √ √ √ √ √ √
Steam tube rotary dryer √ √ √ √ √ √
Tray dryer (batch) √ √ √ √ √ √ √ √
Tray dryer (continuous) √ √ √ √ √ √ √ √
Cone (batch) √ √ √ √ √
Thin-film contact √ √ √ √ √ √ √ √
Drying of Foods, Vegetables and Fruits