SAS 3: SOLID DOSAGE FORM DRYERS Flashcards
These dryers are most commonly used in pharmaceutical plant operations
Trays and Truck dryers
sometimes called as shelf, cabinet, or compartment dryers
Trays dryers
> Adaptations of the truck dryer for continous drying.
Semi-continuous dryer
Tunnel dryer
truly continuous dryer
Conveyer dryer
> is a continuous shelf, moving bed dryer.
faster rate than tunnel dryers
Turbo-tray dryers
> an indirect type that may operate under atmospheric pressure or vacuum.
USED TO DRY SMALL BATCHES OF PASTES AND SLURRIES.
Pan dryers
These are systems in which the solid particles are partially suspended in an upward-moving gas stream.
Fluidized-bed dryers
Types of fluidized bed dryers
Vertical and Horizontal
These are systems in which the drying particles are entrained and conveyed in a high-velocity gas stream
Pneumonic dryers
A type of dryer that can only handle fluid materials
Spray dryer
The name is termed after quick drying process.
Flash dryer
What are the specialized drying method
Microwave dryers, Freeze dryers
Freeze dryers is also referred as
drying by sublimation
an internal type of heat that is dispersed into the material rapidly causing fast drying.
Microwave dryers.