Food Industry — Drying fruit with ionic wind

Drying fruit with ionic wind Image: Empa Drying with ionic wind: If the fruit slices are placed on a mesh, they are dried faster and more evenly.   Newswise — When the blades of a fan rotate, a steady wind is blowing as a result. This phenomenon is well known from everyday life, and so we use the fan on hot summer days to cool us down. An unwanted side effect is the unpleasant feeling in the eyes, which become drier and drier due to the artificial wind. The food industry has been taking advantage of this effect for a...