27 февр. 2023 г. · Sublimation is a phase change that allows produce or pharmaceutical goods to be freeze-dried successfully. |
Sublimation can remove up to 90 percent of the water content from a food. Secondary drying or desorption drying removes moisture from the surface of the food. |
Freeze-drying, also known as lyophilization, is a process in which water in the form of ice under low pressure is removed from a material by sublimation. |
Contact freeze dryers use contact (conduction) of the food with the heating element to supply the sublimation energy. This type of freeze dryer is a basic ... Stages of freeze drying · Applications of freeze drying |
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