Rotary vacuum paddle dryer is a jacketed cylindrical vessel with a large diameter hollow shaft. Attached to the shaft are hollow paddles provided with specially designed scraper blades, which scrape the entire internal surface of the dryer and continuously move and rotate the...
Wet feed is charged as a batch and is subjected to indirect heating while undergoing agitation due to the action of paddle mixing. The operation is normally carried out in vacuum. Recovery of solvent is possible by condensing the vapors generated...