Drum drying under vacuum
A drum dryer that operates under vacuum allows the product to be dried at lower temperatures. There is a wide range of applications, including damage prevention to heat-sensitive product components or evaporation of solvents at low temperatures (the vapours are collected and can be condensed elsewhere).
Independence from atmospheric pollution and climate conditions ensures for a reproduceable product quality. Foods can benefit from such careful treatment. Evaporation takes place within a few seconds
without risk of oxidation. In this way, the enzymes and proteins in the food are preserved and blockage of proteins prevented. The end product can be dissolved easily into a liquid. Chemical products, too, can go into the dryer from a vacuum process and undergo the drying treatment. It goes without saying that, ifnecessary, a protective gas such as nitrogen can be used to keep the environment inert