| Feed Characteristics |
Solutions
Pumpable slurries
|
Wet powders or cakes
|
Solutions
Pumpable slurries
|
Slurries and solutions
Cakes and wet powders
|
Wide range of feeds
|
| Powder Characteristics |
Free flowing
Must be shear stable
|
Free flowing
Must be shear stable
Produces dry powders
|
Free flowing
Must be shear stable
Produces dry powders
|
Produces dry powders
Handles crumbs
|
Produces dry powders
Requires free flowing powders
|
| Special Features |
Easy to control
High heat transfer
Short heat history
|
Fouling materials okay
Heats and cools in one machine
|
Easy to control
Can cool in same system
|
Batch or continuous
Low shear history
Viscous, pasty, fouling materials
Breaks up lumps
Largely self-cleaning
|
Batch or continuous
Low shear history
|