date:Aug 09, 2013
as freezing) are used, the product will degrade very quickly. So, extruded products are dried, and the more moisture present at the end of extrusion, the more they must be dried.
How is this accomplished? Typically, large, thermal drying systems are employed. Extruded product is slowly moved on a conveying system through heated (as much as 200C) dryers.
This approach has several drawbacks. Expensive drying equipment is now required to have any salable product. Also, the equipment must be main